12 Software Engineering jobs in Northern Ireland

Senior Software Engineer
Job Description:
Get ready. Because you're about to embark on an AI mission to revolutionise small business and accounting practices.
Sage Copilot isn't just an AI-powered tool. We're developing a game changer. A tool that will help customers streamline their tasks, boost their efficiency, and unlock new opportunities. Making it a trusted business partner, the likes of which they've never seen.
And you'll be at the forefront of its development, as part of a global team, who can't wait to collaborate and innovate with you.
We're working on a truly groundbreaking product. So, is this your next technology job? No-that doesn't do it justice. This is the future realised-for you, for our customers, and for the shape of technology as we've dreamed it.
What you'll be doing
Working with other teams, the Sr. Software Engineer is responsible for design and development of major Sage features. The engineer will provide guidance to other engineers and drive the overall process of development and delivery.
The Sr. Software Engineer is responsible for design, implementation, and overall quality of the final solution.
Sr. Software engineers will understand the implications of major design decisions, and will be responsible for highlighting important or difficult decisions, ensuring that the tradeoffs are considered. Where appropriate, a Sr. Software Engineer will also propose architectural changes.
They are expected to work on major features which often involve a deep understanding of the financial and accounting implications of the changes that will result, including the impact on accounting , reports and usability.
***This is a hybrid role - you will work three days per week in our Newcastle office.***
Key Responsibilities:
Skills needed:
- Strong experience in Python & C#
- Previous integration experience with API's
- Lead the design and development of major features
- Work with Product Management to understand design and feature tradeoffs
- Design scalable and repeatable solutions within each major feature
- Present architectural recommendations to the Architecture Review Board
- Create functional specifications and designs
- Work with QA to ensure the quality of the features, including the creation and maintenance of test cases
Requirements:
- Experienced Senior Engineer using up to date technologies
- AI/Machine Learning experience would be ideal (Generative AIs/LLMs/Copilots)
- A passion for cutting edge technology and an adaptive mind set
#LI-JM2
Function:
Product Delivery
Country:
United Kingdom
Office Location:
Newcastle
Work Place type:
Hybrid
Advert
Working at Sage means you're supporting millions of small and medium sized businesses globally with technology to work faster and smarter. We leverage the future of AI, meaning business owners spend less time doing routine tasks, like entering invoices and generating reports, and more time pursuing their ambitions.
Our colleagues are the best of the best. It's why we were awarded 2024 Best Places to Work by Glassdoor. Because to achieve extraordinary outcomes, we need extraordinary teams. This means infusing Sage with people who knock down barriers, continuously innovate, and want to experience their potential.
Learn more about working at Sage:sage.com/en-gb/company/careers/working-at-sage/
Watch a video about our culture:youtube.com/watch?v=qIoiCpZH-QE
We celebrate individuality and welcome you to join us if you embrace all backgrounds, identities, beliefs, and ways of working. If you need support applying, reach out
Learn more about DEI at Sage:sage.com/en-gb/company/careers/diversity-equity-and-inclusion/
Equal Employment Opportunity (EEO)
Sage is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities.
In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Sage will be based on merit, qualifications, and abilities. Sage does not discriminate in employment opportunities or practices on the basis of race, color, religion, sex, national origin, age, protected disability, veteran status, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable law.

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology.
Cadence is a pivotal leader in electronic design, building upon more than 30 years of computational software expertise. The company applies its underlying Intelligent System Design strategy to deliver software, hardware and IP that turn design concepts into reality.
Cadence customers are the world's most innovative companies, delivering extraordinary electronic products from chips to boards to systems for the most dynamic market applications including consumer, hyperscale computing, 5G communications, automotive, aerospace industrial and health.
At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology.
Job Title: Lead Software Engineer
Location: Newcastle upon Tyne, UK
Reports to: Senior Principal Software Engineer
Job Overview:
Have you ever looked at your smartphone and wondered how the silicon chips, that power it, were designed? Electronic Design Automation (EDA) software is some of the most advanced and algorithmically complex in existence. Cadence is building the next generation of EDA tools, these tools enable IC designers to layout the very latest silicon chips. Working with massive complexity and intricate design rules demanded by sub 20nm IC designs.
At Cadence Newcastle our aim is to build exceptionally smart software that is stupidly easy to use. Great software has no options! Creating software that "just" does the right thing with minimal guidance from the user is extremely technically and intellectually challenging, and we are looking for exceptional engineers to join us with this challenge.
Successful candidates will be deeply involved in the development and implementation of a new EDA technology with a strong focus on computational geometry, geometry manipulation and algorithmic complexity. We are looking for a software engineer with a top degree, evidence of achievement, and an exceptional talent for algorithm development. Although advantageous, EDA experience is not essential.
Job Responsibilities:
+ Develop and maintain the C++ code base
+ Absorb requirements for new features and create design, function and test specifications
+ Work closely with team members to develop techniques to increase the capability, capacity, performance and stability of the software
+ Interface with our build and regression system to test code commits as part of our development process
+ Collaborate with a global cross-functional team providing product engineering, verification, documentation and program management input
Job Qualifications:
+ PhD, or master's degree and 4+ years of relevant experience.
+ History of mathematical study
+ Grade A/A* in A-level mathematics, physics
+ STEM degree, such as Maths, Physics, Engineering, or Computer Science
+ Russell Group science degree
+ Experience writing programs in C++ (C++14/17) or other object-oriented programs.
+ Algorithmic software development skills
+ Exposure to Linux/Unix environment.
+ Experience with QT, a big plus
+ Excellent interpersonal communication skills
Check what we can offer you:
+ Competitive salary
+ 25 days holiday per year
+ Private Medical and Dental plans, Income Protection and Life Insurance
+ Group Personal Pension Plan
+ Cycle to work scheme and gym subsidy
+ 5 days paid time to volunteer to give back to our communities
+ Employee Stock Purchase Plan
+ The opportunity to work for a Great Place to Work© & Fortune 100 organisation
Additional Information:
Cadence regularly achieves a high ranking in the Great Place to Work awards both in the UK and Worldwide, most recently having been #9 Worldwide in 2023 and 2024.
Cadence is committed to equal employment opportunity and employment equity throughout all levels of the organization. We strive to attract a qualified and diverse candidate pool and encourage diversity and inclusion in the workplace.
Be proud and passionate about the work you do. Together, our "One Cadence -- One Team" culture drives our success.
We're doing work that matters. Help us solve what others can't.
Additional Jobs ( Employment Opportunity Policy:
Cadence is committed to equal employment opportunity throughout all levels of the organization.
+ Read the policy(opens in a new tab) ( welcome your interest in the company and want to make sure our job site is accessible to all. If you experience difficulty using this site or to request a reasonable accommodation, please contact
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Job Applicant If you are a job seeker creating a profile using our careers website, please see the privacy policy(opens in a new tab) ( .
E-Verify Cadence participates in the
E-Verify program in certain U.S. locations as required by law. Download More Information on E-Verify (64K) ( plays a critical role in creating the technologies that modern life depends on. We are a global electronic design automation company, providing software, hardware, and intellectual property to design advanced semiconductor chips that enable our customers create revolutionary products and experiences.
Thanks to the outstanding caliber of the Cadence team and the empowering culture that we have cultivated for over 25 years, Cadence continues to be recognized by Fortune Magazine as one of the 100 Best Companies to Work For. ? Our shared passion for solving the world's toughest technical challenges, our dedication to pushing the limits of the industry, and our drive to do meaningful work differentiates the people of Cadence.
Cadence is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, basis of disability, or any other protected class.
Cadence is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, basis of disability, or any other protected class.

Senior Software Engineer (C#)
Job Description:
We are currently seeking a Senior Software Engineer (C#) to take responsibility for building, enhancing, and maintaining products or systems that support Sage's business plans and long-term objectives, using the identified architecture.
As a Senior Software Engineer at Sage, you will report to the Engineering Team Lead and serve as a subject matter expert on technical solutions and business processes within your area of responsibility.
You will collaborate with various disciplines and teams, both within and outside the Product Business Unit, to ensure consistency, quality, and successful project delivery.
*** Please note that this role is hybrid and will require you to work 3 days a week from our Newcastle office. ***
Key Responsibilities:
- Develop, implement, and maintain high-quality technical solutions, including third-party applications, data, and reports.
- Produce relevant documentation to describe logic, coding/configuration, testing, and changes where applicable.
- Contribute to the maintenance and enhancement roadmap for key services, incorporating feedback to improve the customer experience.
- Identify opportunities for continuous improvement of development processes and proactively transfer knowledge amongst the team.
- Establish and help maintain a high-quality knowledgebase of key applications and/or systems incorporating data and/or reporting where applicable
- Actively participate in retrospectives and debriefs to strengthen the team's skills, while also mentoring junior engineers when needed.
Requirements
- Strong proficiency in C# and Angular.
- Hands-on experience with Microsoft Azure.
- Familiarity with Infrastructure as Code tools, including Terraform and YAML.
- Deep understanding of database design principles, including logical and physical schema modelling.
- Experience in multi-tier application architecture and major relational databases, especially Microsoft/Azure SQL.
- Proficiency in unit and integration testing methodologies.
#LI-AS1
Function:
Product Delivery
Country:
United Kingdom
Office Location:
Newcastle
Work Place type:
Hybrid
Advert
Working at Sage means you're supporting millions of small and medium sized businesses globally with technology to work faster and smarter. We leverage the future of AI, meaning business owners spend less time doing routine tasks, like entering invoices and generating reports, and more time pursuing their ambitions.
Our colleagues are the best of the best. It's why we were awarded 2024 Best Places to Work by Glassdoor. Because to achieve extraordinary outcomes, we need extraordinary teams. This means infusing Sage with people who knock down barriers, continuously innovate, and want to experience their potential.
Learn more about working at Sage:sage.com/en-gb/company/careers/working-at-sage/
Watch a video about our culture:youtube.com/watch?v=qIoiCpZH-QE
We celebrate individuality and welcome you to join us if you embrace all backgrounds, identities, beliefs, and ways of working. If you need support applying, reach out
Learn more about DEI at Sage:sage.com/en-gb/company/careers/diversity-equity-and-inclusion/
Equal Employment Opportunity (EEO)
Sage is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities.
In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Sage will be based on merit, qualifications, and abilities. Sage does not discriminate in employment opportunities or practices on the basis of race, color, religion, sex, national origin, age, protected disability, veteran status, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable law.

Principal Software Engineer (C#)
Job Description:
Are you passionate about solving complex engineering challenges? Do you love understanding systems at a deep technical level? If so, this is your opportunity to lead and shape the technical direction of Sage for Accountants, working across multiple engineering squads as a Principal Software Engineer.
This is a hybrid role - three days per week in our Manchester or Newcastle office.
Why Join Us?
- Work with a modern tech stack, including C#,.NET, AWS, REST APIs, and more.
- Drive technical innovation and scalability in a collaborative, engineering-led environment.
Key Responsibilities:
What You'll Be Doing
- Architecting and evolving Sage for Accountants, optimizing performance, infrastructure, and scalability.
- Providing hands-on technical leadership across engineering and QA teams.
- Designing and implementing enterprise solutions with best practices in microservices, event sourcing, and domain-driven design.
- Championing CI/CD pipelines, automation, and an API-first approach.
- Driving a culture of continuous learning and technical excellence.
What You Bring
- Proficiency in C#.NET, AWS / Azure, and modern backend development.
- Expertise in enterprise architecture and software design patterns.
- Hands-on experience with Agile, SCRUM, or Extreme Programming.
- Strong problem-solving skills and ability to adapt to new technologies.
- Proven experience delivering high-performance, scalable systems.
- Hands-on experience with TDD/BDD, CI/CD pipelines (Docker, TeamCity, GitHub), and open-source technologies.
- Deep understanding of microservices, event-driven architectures, and cloud-native development.
Join us in building the future of Sage for Accountants. If you thrive in a fast-paced, problem-solving environment, we'd love to hear from you!
#LI-MD1
Function:
Product Delivery
Country:
United Kingdom
Office Location:
Manchester;Newcastle
Work Place type:
Hybrid
Advert
Working at Sage means you're supporting millions of small and medium sized businesses globally with technology to work faster and smarter. We leverage the future of AI, meaning business owners spend less time doing routine tasks, like entering invoices and generating reports, and more time pursuing their ambitions.
Our colleagues are the best of the best. It's why we were awarded 2024 Best Places to Work by Glassdoor. Because to achieve extraordinary outcomes, we need extraordinary teams. This means infusing Sage with people who knock down barriers, continuously innovate, and want to experience their potential.
Learn more about working at Sage:sage.com/en-gb/company/careers/working-at-sage/
Watch a video about our culture:youtube.com/watch?v=qIoiCpZH-QE
We celebrate individuality and welcome you to join us if you embrace all backgrounds, identities, beliefs, and ways of working. If you need support applying, reach out
Learn more about DEI at Sage:sage.com/en-gb/company/careers/diversity-equity-and-inclusion/
Equal Employment Opportunity (EEO)
Sage is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities.
In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Sage will be based on merit, qualifications, and abilities. Sage does not discriminate in employment opportunities or practices on the basis of race, color, religion, sex, national origin, age, protected disability, veteran status, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable law.

About Us:
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint, you'll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact.
**Corporate Overview**
Proofpoint is a leading cybersecurity company protecting organizations' greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.
**The Role**
We're looking for a Sr. Software Engineer to join the Proofpoint Tessian Engineering Group in our Inbound Threat Engineering team. The Tessian product suite offers inbound threat defence software, via API, to Microsoft or Google e-mail platforms, as well as a data loss prevention (DLP) service that utilises Machine Learning for maximum protection.
You'll join at an exciting time as we scale our services and expand our reach. Expect to collaborate with passionate engineers across multiple teams, help us integrate deeper into the Proofpoint ecosystem, and scale to protect even more customers.
We're looking for experienced engineers who bring expertise aligned with our tech stack, along with a passion for continuous learning and a collaborative mindset. We value different perspectives and welcome candidates who thrive in inclusive, growth-oriented environments.
**Our tech stack:**
We use technologies that support reliability, scale, and rapid iteration:
+ **Backend:** Python-based microservices
+ **Cloud:** AWS
+ **Databases:** DynamoDB, PostgreSQL
+ **Infrastructure:** Terraform
+ **DevOps:** Docker, CircleCI, GitHub
**Your day-to-day**
In the ITE Team we deeply embrace the DevOps culture, as we design, build, test, deploy and monitor our services. Our day to day involves developing the email scanning flow to quickly and accurately provide protection to users in real time. We ensure that the correct remediation can take place before the user is placed at risk, and follow up with providing metadata to other systems to be visualized etc.
You'll have the opportunity to:
+ Design and build reliable distributed systems that handle volumes of data with low latency.
+ Maintain and support business-critical systems where scale and latency are front-of-mind.
+ Contribute code to production regularly using our CI/CD pipeline
+ Address challenges related to processing highly sensitive data in a secure and privacy-conscious way.
+ Learn to build with security in mind.
+ Provide technical leadership, mentor peers in a supportive way, contribute to design reviews, and collaborate on solving complex challenges.
+ Make your mark on ambitious projects.
**What you bring to the team**
Essential Experience:
+ Proven experience with Python for backend development
+ Extensive experience with AWS Services
+ Experience with Docker for creating and deploying containers
+ Demonstrated ability to plan, coordinate, and execute engineering projects
Beneficial Experience:
+ High volume NoSQL and SQL databases such as; Dynamo DB, Postgres
+ Terraform built environments
+ Experience working with data and infrastructure at scale
+ Event driven architecture such as Kafka/Kinesis
Our standards around security, quality, and service availability can only be the highest, but at the same time we foster psychological safety, as we are comfortable with the unknowns and love to experiment to find the right solution.
We think you'll enjoy working with us if you value outcome-driven work, collaborative thinking, and data-informed decision-making. We encourage respectful debate, diverse viewpoints, and working together to find the best path forward.
**Why Proofpoint**
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We're a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly 'culture-add', and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-CB1
Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you'll love working with us:
- Competitive compensation
- Comprehensive benefits
- Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
- Flexible work environment: (Remote options, hybrid schedules, flexible hours, etc.).
- Annual wellness and community outreach days
- Always on recognition for your contributions
- Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to . How to Apply Interested? Submit your application here . We can't wait to hear from you!
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
Our BRAVE Values:
At Proofpoint, we are BRAVE in everything we do, and our values aren't just words-they shape how we work, collaborate, and grow.
We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact.
We value those with a visionary mindset who anticipate what's next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Find your network, your allies, and your biggest fans. We know that work is simply better when you're surrounded by people who inspire you-who share ideas, cheer you on, and genuinely want to see you succeed. That's why we offer social circles, sponsored networks, and connection points across teams and time zones-to help you find your people, build your community, and thrive together.
This isn't just a job-it's a mission to protect people and defend data in a world that never slows down. We're building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable-because that's what it takes to stay ahead. And we do it together, winning as one.
Be empowered to reach your full potential through meaningful challenges and personalized support-designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we're here to help you get there.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.

About Us:
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint, you'll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact.
**Corporate Overview**
Proofpoint is a leading cybersecurity company protecting organizations' greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity.
Protection Starts with People. ?Proofpoint.
**The Role**
We're looking for a number of early-career Backend Software Engineers to join the Proofpoint Tessian Engineering Group across multiple core teams. The Tessian product offers inbound threat defence software, via API, to Microsoft or Google e-mail platforms, as well as a data loss prevention (DLP) service that utilises Machine Learning for maximum protection.
You'll join at an exciting time as we scale our services and expand our reach. Expect to collaborate with passionate engineers across multiple teams, help us integrate deeper into the Proofpoint ecosystem, and scale to protect even more customers.
We are seeking candidates with similar experience to our tech stack (in particular Python), but don't worry if you don't feel like an exact match. We are always willing to speak to great candidates even if you do not feel you meet every criteria listed! We value potential over ticking boxes.
Our tech stack includes:
+ Services built with modern Python
+ Various AWS Cloud Services to run our services
+ High volume NoSQL and SQL databases such as; Dynamo DB, Postgres
+ Terraform built environments.
DevOps tools and methodologies such as:
+ CircleCI pipelines management
+ Docker containerization
+ Git and GitHub for software versioning ?
+ Observability with Splunk / Grafana / Prometheus
**?Your day-to-day**
In our Tessian teams, we deeply embrace the DevOps culture, as we design, build, test, deploy and monitor our services. Our day to day involves improving services scalability and reliability; researching security vulnerabilities and implementing security measures; and monitoring production environments to discover what is next for the team using product data.
Our research also includes ways to improve user experience when using our products Outlook clients (desktop and OWA) on both Windows and Mac platforms and to help hardening the Human Security Layer.
We also pride ourselves in our commitment to personal growth, so expect to be challenged every day! We have outstanding mentorship, training and guidance to help you fulfil your potential. You will be supported at every step as you grow into these responsibilities.
You'll have the opportunity to:
+ Work on problems of diverse scope where analysis of data requires evaluation of identifiable factors.
+ Demonstrate good judgment in selecting methods and techniques for obtaining solutions.
+ Collaborate with supportive senior engineers who value your input, while also taking initiative on tasks that help you grow.
+ Ship code to production with confidence using CI/CD.
+ Tackle the challenges that come with processing sensitive data.
+ Learn to build with security in mind.
+ Make your mark on ambitious projects.
Our standards around security, quality, and service availability can only be the highest, but at the same time we foster psychological safety, as we are comfortable with the unknowns and love to experiment to find the right solution.
We think you'll enjoy working with us if you value outcome-driven work, collaborative thinking, and data-informed decision-making. We encourage respectful debate, diverse viewpoints, and working together to find the best path forward.
**The Process**
We want to keep the selection process as light as possible so you should expect:
+ A screening call with one of our Hiring Managers
+ A technical conversation, including a Python coding challenge, with one or two of our Engineers
Our process is friendly, supportive, and designed to learn about you - not to trip you up.
**Why Proofpoint**
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. ?We're a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly 'culture-add', and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-CB1
Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you'll love working with us:
- Competitive compensation
- Comprehensive benefits
- Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
- Flexible work environment: (Remote options, hybrid schedules, flexible hours, etc.).
- Annual wellness and community outreach days
- Always on recognition for your contributions
- Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to . How to Apply Interested? Submit your application here . We can't wait to hear from you!
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
Our BRAVE Values:
At Proofpoint, we are BRAVE in everything we do, and our values aren't just words-they shape how we work, collaborate, and grow.
We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact.
We value those with a visionary mindset who anticipate what's next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Find your network, your allies, and your biggest fans. We know that work is simply better when you're surrounded by people who inspire you-who share ideas, cheer you on, and genuinely want to see you succeed. That's why we offer social circles, sponsored networks, and connection points across teams and time zones-to help you find your people, build your community, and thrive together.
This isn't just a job-it's a mission to protect people and defend data in a world that never slows down. We're building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable-because that's what it takes to stay ahead. And we do it together, winning as one.
Be empowered to reach your full potential through meaningful challenges and personalized support-designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we're here to help you get there.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.

About Us:
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on
Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the
digital world. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint, you'll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE
core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities
Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in
execution and impact.
**Corporate Overview**
Proofpoint is a leading cybersecurity company protecting organizations' greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.
**The Role**
We are looking for a Software Engineer to join the Proofpoint Tessian Flow team. This team oversees the development of some key customer integrations, among them is a Mail Transfer Agent (MTA) that processes inbound and outbound emails, an Outlook COM Add-in and several others.
You will be primarily working on the Tessian MTA server which is highly optimised for secure email traffic and integrates with M365, G-Suite and Exchange Server, for both inbound and outbound traffic. It currently serves millions of inbound, outbound and journal email transactions, every day, across the world.
You will be joining at an exciting time, as the team prepares to further scale the Tessian MTA server following the Proofpoint acquisition. We are also looking to transition to a new multi-tenant architecture, and to integrate deeper with the Proofpoint ecosystem.
**Your day-to-day**
In our Flow Team, we deeply embrace the DevOps culture, as we design, build, test, deploy and monitor the integrations. Our day to day involves developing the integrations mentioned above for scale; researching and implementing security measures; and monitoring production environments to discover what's next for the team using product data.
**You'll Be Expected To**
+ Work on problems of diverse scope where analysis of data requires evaluation of identifiable factors.
+ Demonstrate good judgment in selecting methods and techniques for obtaining solutions.
+ Collaborate with supportive senior engineers who value your input, while also taking initiative on tasks that help you grow.
+ Ship code to production every day using CI/CD.
+ Tackle the challenges that come with processing sensitive data.
+ Learn to build with security in mind.
+ Make your mark on ambitious projects.
**Our tech stack includes:**
+ NodeJS and TypeScript for backend development
+ AWS Lambda, ECS, EC2, CloudWatch
+ High volume NoSQL and SQL databases such as Dynamo DB, Postgres
+ Terraform built environments
+ Services built with .NET
+ DevOps tools and methodologies such as:
+ CircleCI pipelines management
+ Docker containerization
+ Git and GitHub for software versioning
**Beneficial**
+ SMTP protocol, network interfaces
+ Experience working with data and infrastructure at scale
We use data to validate our decisions, measuring our progress and success. Data informs our decision making, our goals, and our roadmap. We are sure you'll love joining us if you share our focus on outcomes rather than outputs and leverage factual evidence to justify your arguments and influence the direction of the team.
**Why Proofpoint**
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We're a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly 'culture-add', and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-CB1
Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you'll love working with us:
- Competitive compensation
- Comprehensive benefits
- Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
- Flexible work environment: (Remote options, hybrid schedules, flexible hours, etc.).
- Annual wellness and community outreach days
- Always on recognition for your contributions
- Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to . How to Apply Interested? Submit your application here . We can't wait to hear from you!
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
Our BRAVE Values:
At Proofpoint, we are BRAVE in everything we do, and our values aren't just words-they shape how we work, collaborate, and grow.
We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact.
We value those with a visionary mindset who anticipate what's next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Find your network, your allies, and your biggest fans. We know that work is simply better when you're surrounded by people who inspire you-who share ideas, cheer you on, and genuinely want to see you succeed. That's why we offer social circles, sponsored networks, and connection points across teams and time zones-to help you find your people, build your community, and thrive together.
This isn't just a job-it's a mission to protect people and defend data in a world that never slows down. We're building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable-because that's what it takes to stay ahead. And we do it together, winning as one.
Be empowered to reach your full potential through meaningful challenges and personalized support-designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we're here to help you get there.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.

About Us:
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint, you'll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact.
**Corporate Overview**
Proofpoint is a leading cybersecurity company protecting organizations' greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.
**The Role**
We are looking for a Sr. Software Engineer to join the Proofpoint Tessian Flow team. This team oversees the development of some key customer integrations, among them is a Mail Transfer Agent (MTA) that processes inbound and outbound emails, an Outlook COM Add-in and several others.
You will be primarily working on the Tessian MTA server which is highly optimised for secure email traffic and integrates with M365, G-Suite and Exchange Server, for both inbound and outbound traffic. It currently serves millions of inbound, outbound and journal email transactions, every day, across the world.
You will be joining at an exciting time, as the team prepares to further scale the Tessian MTA server following the Proofpoint acquisition. We are also looking to transition to a new multi-tenant architecture, and to integrate deeper with the Proofpoint ecosystem.
**Your day-to-day**
In our Flow Team, we deeply embrace the DevOps culture, as we design, build, test, deploy and monitor the integrations. Our day to day involves developing the integrations mentioned above for scale; researching and implementing security measures; and monitoring production environments to discover what's next for the team using product data.
You'll be expected to:
+ Design and build reliable distributed systems that handle volumes of data with low latency
+ Maintain and support business-critical systems where scale and latency are front-of-mind
+ Ship code to production weekly using CI/CD
+ Tackle the challenges that come with processing highly sensitive data
+ Learn to build with security in mind
+ Mentor other engineers, review design documents and code, and provide leadership in solving complex technical challenges
+ Make your mark on ambitious projects
**What you bring to the team**
Operating a mail transport agent, is an interesting challenge with significant technical complexity, especially when considering the scale of our traffic and our security guarantees.
**Essential Experience**
+ Proven experience with NodeJS and TypeScript for backend development
+ Extensive experience with AWS Lambda, ECS, EC2, CloudWatch
+ Experience with Docker for creating and deploying containers
+ Prior experience with structured languages and desire to learn .NET
+ Leading engineering projects, ensuring their planning, coordination, and execution
**Beneficial Experience**
+ High volume NoSQL and SQL databases such as; Dynamo DB, Postgres
+ Terraform built environments
+ SMTP protocol, network interfaces
+ Experience working with data and infrastructure at scale
We use data to validate our decisions, measuring our progress and success. Data informs our decision making, our goals, and our roadmap. We are sure you'll love joining us if you share our focus on outcomes rather than outputs, and leverage factual evidence to justify your arguments and influence the direction of the team.
**Why Proofpoint**
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We're a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly 'culture-add', and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-CB1
Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you'll love working with us:
- Competitive compensation
- Comprehensive benefits
- Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
- Flexible work environment: (Remote options, hybrid schedules, flexible hours, etc.).
- Annual wellness and community outreach days
- Always on recognition for your contributions
- Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to . How to Apply Interested? Submit your application here . We can't wait to hear from you!
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
Our BRAVE Values:
At Proofpoint, we are BRAVE in everything we do, and our values aren't just words-they shape how we work, collaborate, and grow.
We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact.
We value those with a visionary mindset who anticipate what's next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Find your network, your allies, and your biggest fans. We know that work is simply better when you're surrounded by people who inspire you-who share ideas, cheer you on, and genuinely want to see you succeed. That's why we offer social circles, sponsored networks, and connection points across teams and time zones-to help you find your people, build your community, and thrive together.
This isn't just a job-it's a mission to protect people and defend data in a world that never slows down. We're building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable-because that's what it takes to stay ahead. And we do it together, winning as one.
Be empowered to reach your full potential through meaningful challenges and personalized support-designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we're here to help you get there.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.

About Us:
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint, you'll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact.
**Corporate Overview**
Proofpoint is a leading cybersecurity company protecting organizations' greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.
**The Role**
We are looking for a highly experienced Staff Software Engineer to join our Platform Engineering team. This role is focused on building and scaling the foundational infrastructure and services that power our internal engineering ecosystem.
As a senior individual contributor, you'll be instrumental in designing, developing, and maintaining petabyte-scale production platforms with a strong emphasis on resilience, performance, and developer experience. You'll work on distributed systems, deployment infrastructure, and internal service frameworks, enabling teams across the organization to deliver with speed, security, and reliability.
**Your day-to-day**
- Architect, build, and maintain scalable, fault-tolerant systems that support petabyte-scale workloads in production
- Lead development of RESTful APIs using Java or similar high-performance languages (e.g., Go, Kotlin, Scala)
- Contribute to the evolution of our internal platform by improving core infrastructure components and abstractions
- Design and optimize data pipelines and backend systems leveraging distributed technologies like Apache Kafka and Cassandra
- Drive platform modernization through Kubernetes-based deployments and configuration management using tools like Puppe
- Champion best practices in CI/CD, observability, security, and cloud-native architecture
- Collaborate with product and engineering teams to understand their needs and deliver reusable, scalable solutions
- Mentor other engineers, review design documents and code, and provide leadership in solving complex technical challenges
- Own the operational health of platform services, including reliability, uptime, and on-call rotations.
**What you bring to the team**
- Extensive experience in software engineering, with significant time spent on infrastructure or platform teams
- Proven track record of designing and operating petabyte-scale systems in production environments
- Deep experience with Java and working knowledge of other programming languages such as Python, Go or Scala
- Strong understanding and hands-on experience with RESTful service design and implementation
- Solid background in distributed systems and experience with technologies like Kafka, Cassandra, or equivalents
- Proficiency with Kubernetes (K8s), Terraform and Puppet, or similar deployment and configuration management tools
- Familiarity with AWS, Azure (preferred) or other public cloud ecosystems; understanding of cloud-native patterns and cost-aware design
- Experience with system monitoring, logging, and alerting tools (e.g., Prometheus, Grafana, ELK)
- Excellent problem-solving, communication, and collaboration skills with the ability to influence at multiple levels.
**Nice to Have**
- Experience building internal developer platforms or platform-as-a-service (PaaS) offerings
- Contributions to open-source tools and frameworks in the infrastructure or backend ecosystem. * Exposure to security best practices and compliance considerations in large-scale environments
**Why Proofpoint**
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We're a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly 'culture-add', and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-CB1
Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you'll love working with us:
- Competitive compensation
- Comprehensive benefits
- Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
- Flexible work environment: (Remote options, hybrid schedules, flexible hours, etc.).
- Annual wellness and community outreach days
- Always on recognition for your contributions
- Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to . How to Apply Interested? Submit your application here . We can't wait to hear from you!
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
Our BRAVE Values:
At Proofpoint, we are BRAVE in everything we do, and our values aren't just words-they shape how we work, collaborate, and grow.
We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact.
We value those with a visionary mindset who anticipate what's next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Find your network, your allies, and your biggest fans. We know that work is simply better when you're surrounded by people who inspire you-who share ideas, cheer you on, and genuinely want to see you succeed. That's why we offer social circles, sponsored networks, and connection points across teams and time zones-to help you find your people, build your community, and thrive together.
This isn't just a job-it's a mission to protect people and defend data in a world that never slows down. We're building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable-because that's what it takes to stay ahead. And we do it together, winning as one.
Be empowered to reach your full potential through meaningful challenges and personalized support-designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we're here to help you get there.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.