4,457 Senior Software jobs in the United Kingdom
Backend Software Engineer - Application Development
Posted today
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at Palantir build software at scale to transform how organisations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product. Engineers work autonomously and make decisions independently, within a community that will support and challenge you as you grow and develop, becoming a strong technical contributor and engineering leader.nYour day-to-day workflow will vary, adapting to the requirements of our users and the technical challenges that arise. One day, you may find yourself collaborating with other engineers to architect a new system that enables a novel workflow, the next you could be fine-tuning performance to enable low-latency operational outcomes.nOur Product Development organisation is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively to build cross functional capabilities, streamline user workflows and continuously improve our software's efficiency and reliability.nWe're hiring engineers who are passionate about solving real-world problems and empowering developers and end-users to do their work optimally. If you’re motivated to develop reliable, performant, scalable systems and design robust APIs and primitives, below are some examples of the types of product work you’d get to do in this role:nCore Responsiblities
Architecting, developing, and maintaining high-performance, scalable backend services that underpin our our operational data and AI systemsnMaintaining high coding standards through the development of guidelines, active participation in code reviews, and fostering a culture of continuous improvement and knowledge sharing among your teamnBuilding robust APIs for use by front-end developers and interfacing external systems, and collaborating with front-end developers to integrate user-facing elements with server-side logicnDesigning efficient data structures and algorithms to manage large-scale and high throughput datanOptimizing applications for speed and scalability through performance analysisnActively improve user workflows by collaborating with cross-functional teams, ensuring seamless experiences across product boundaries and a cohesive user experiencenTechnologies We Use
Different backend languages, including Java, Rust, Python and GonDistributed systems technologies such as Kafka, Cassandra, Elasticsearch and SparknDocker and Kubernetes for containerisation and orchestrationnIndustry-standard build tooling, including Gradle and GitHubnWhat We Value
A deep understanding of server-side logic, efficient data handling, and distributed systemsnStrong focus on creating user-oriented workflows and solutions, crossing product boundaries to deliver cohesive and solid user workflows that ensure a seamless and intuitive user experiencenExperience building high-quality software in a fast-paced CI/CD development environmentnAbility to work collaboratively in teams of technical and non-technical individuals and understand how technical decisions impact the people who will use what you're buildingnSkill and comfort working in a constantly evolving environment with dynamic objectives and iteration with usersnActive UK Security clearance, or eligibility and willingness to obtain a UK Security clearance is beneficial but not necessarynWhat We Require
Experience in designing and developing features and improvements, as well as supporting and maintaining, live backend systemsnIn-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practicesnEngineering background in Computer Science, Mathematics, Software Engineering, Physics or similar fieldnStrong coding skills with demonstrated proficiency in programming languages, such as Java, C++, Python, Rust, or similar languagesnStrong written and verbal communication skills and ability to iterate quickly with teammates, incorporating feedback and holding a high bar for qualitynLife at PalantirnWe want every Palantirian to achieve their best outcomes, that’s why we celebrate individuals’ strengths, skills, and interests, from your first interview to your longterm growth, rather than rely on traditional career ladders. Paying attention to the needs of our community enables us to optimize our opportunities to grow and helps ensure many pathways to success at Palantir. Promoting health and well-being across all areas of Palantirians’ lives is just one of the ways we’re investing in our community. Learn more at
Life at Palantir
and note that our offerings may vary by region.nIn keeping consistent with Palantir’s values and culture, we believe employees are “better together” and in-person work affords the opportunity for more creative outcomes. Therefore, we encourage employees to work from our offices to foster connectivity and innovation. Many teams do offer hybrid options (WFH a day or two a week), allowing our employees to strike the right trade-off for their personal productivity. Based on business need, there are a few roles that allow for “Remote” work on an exceptional basis. If you are applying for one of these roles, you must work from the city and or country in which you are employed. If the posting is specified as Onsite, you are required to work from an office.nIf you want to empower the world's most important institutions, you belong here. Palantir values excellence regardless of background. We are committed to making the application and hiring process accessible to everyone and will provide a reasonable accommodation for those living with a disability. If you need an accommodation for the application or hiring process, please
reach out
and let us know how we can help.
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Full Stack Software Engineer - Application Development
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Working as part of a community of engineers building shared frontend tooling to enable teams across FoundrynDesigning and building for high-scale data intensive APIs (example)nDeveloping interactive workflow UIsnBuilding products which aim to make technical concepts accessible for non-technical usersnCreating low-code/no-code WYSIWYG tools, which enable application builders within Foundry to build products for their usersnTechnologies We Use
Typescript, React, and GQL are central to our frontend development.nBlueprint as a re-usable front end component library.nA combination of open-source and internal technologies that suit the problems at hand.nIndustry-standard build tooling, including Gradle, Webpack, GitHub, and CircleCI.nWhat We Value
Passion for improving user workflows and building user interfaces that enable users to tackle their problems, while still maintaining engineering quality.nAbility to work collaboratively in teams of technical and non-technical individuals and understand how technical decisions impact the people who will use what you're building.nSkill and comfort working in a constantly evolving environment with dynamic objectives and iteration with users.nExperience brainstorming and iterating with product designers.nExperience building high-quality software in a fast-paced CI/CD development environment.nProven ability to learn continuously, work independently, and make decisions with minimal supervision.nAbility to learn new technology and concepts, even without in-depth experience.nActive UK Security clearance, or eligibility and willingness to obtain a UK Security clearance is beneficial, but not necessary.nWhat We Require
2+ years of frontend software engineering experience.nStrong frontend coding skills used to write clean, effective code, regardless of framework, and existing proficiency in JavaScript and understanding of how web technologies work.nFamiliarity with data structures, loading patterns, frontend frameworks, and other technical tools and concepts.nProficiency with programming languages such as JavaScript/TypeScript, or similar languages.nStrong written and verbal communication skills.nLife at PalantirnWe want every Palantirian to achieve their best outcomes, that’s why we celebrate individuals’ strengths, skills, and interests, from your first interview to your longterm growth, rather than rely on traditional career ladders. Paying attention to the needs of our community enables us to optimize our opportunities to grow and helps ensure many pathways to success at Palantir. Promoting health and well-being across all areas of Palantirians’ lives is just one of the ways we’re investing in our community. Learn more at
Life at Palantir
and note that our offerings may vary by region.nIn keeping consistent with Palantir’s values and culture, we believe employees are “better together” and in-person work affords the opportunity for more creative outcomes. Therefore, we encourage employees to work from our offices to foster connectivity and innovation. Many teams do offer hybrid options (WFH a day or two a week), allowing our employees to strike the right trade-off for their personal productivity. Based on business need, there are a few roles that allow for “Remote” work on an exceptional basis. If you are applying for one of these roles, you must work from the city and or country in which you are employed. If the posting is specified as Onsite, you are required to work from an office.nIf you want to empower the world's most important institutions, you belong here. Palantir values excellence regardless of background. We are committed to making the application and hiring process accessible to everyone and will provide a reasonable accommodation for those living with a disability. If you need an accommodation for the application or hiring process, please
reach out
and let us know how we can help.
#J-18808-Ljbffrn
Senior Front End Software Engineer - Application Development
Posted today
Job Viewed
Job Description
Leading and mentoring within our community of engineers and building shared frontend tooling to enable teams across FoundrynArchitecting and building for high-scale data intensive APIs (example)nDeveloping interactive workflow UIsnBuilding products which aim to make technical concepts accessible for non-technical usersnCreating low-code/no-code WYSIWYG tools, which enable application builders within Foundry to build products for their usersnBuilding the user experience for our next generation of pro-code tools to enable developers to build on top of FoundrynEngaging with signal directly from our forward deployed engineers and deployment strategists to rapidly evolve our product to meet real world requirements.nTechnologies We Use
Typescript, React, and GQL are central to our frontend development.nBlueprint as a re-usable front end component library.nA combination of open-source and internal technologies that suit the problems at hand.nIndustry-standard build tooling, including Webpack, GitHub, and CircleCI.nWhat We Value
Passion for improving user workflows and building user interfaces that enable users to tackle their problems, while still maintaining engineering quality.nAbility to work collaboratively in teams of technical and non-technical individuals and understand how technical decisions impact the people who will use what you're building.nSkill and comfort working in a constantly evolving environment with dynamic objectives and iteration with users.nExperience brainstorming and iterating with product designers.nExperience building high-quality software in a fast-paced CI/CD development environment.nProven ability to learn continuously, work independently, and make decisions with minimal supervision.nAbility to learn new technology and concepts, even without in-depth experience.nActive UK Security clearance, or eligibility and willingness to obtain a UK Security clearance is beneficial, but not necessary.nWhat We Require
4+ years of frontend software engineering experience.nExperience crafting complex user experiences (UX) with a strong intuition for good design and usability.nExperience working with design systems such as Blueprint, Material-UI, or similar.nStrong frontend coding skills used to write clean, effective code, regardless of framework, and existing proficiency in JavaScript and understanding of how web technologies work.nFamiliarity with data structures, loading patterns, frontend frameworks, and other technical tools and concepts.nProficiency with programming languages such as JavaScript/TypeScript, or similar languages.nStrong written and verbal communication skills.nLife at PalantirnWe want every Palantirian to achieve their best outcomes, that’s why we celebrate individuals’ strengths, skills, and interests, from your first interview to your longterm growth, rather than rely on traditional career ladders. Paying attention to the needs of our community enables us to optimize our opportunities to grow and helps ensure many pathways to success at Palantir. Promoting health and well-being across all areas of Palantirians’ lives is just one of the ways we’re investing in our community. Learn more at
Life at Palantir
and note that our offerings may vary by region.nIn keeping consistent with Palantir’s values and culture, we believe employees are “better together” and in-person work affords the opportunity for more creative outcomes. Therefore, we encourage employees to work from our offices to foster connectivity and innovation. Many teams do offer hybrid options (WFH a day or two a week), allowing our employees to strike the right trade-off for their personal productivity. Based on business need, there are a few roles that allow for “Remote” work on an exceptional basis. If you are applying for one of these roles, you must work from the city and or country in which you are employed. If the posting is specified as Onsite, you are required to work from an office.nIf you want to empower the world's most important institutions, you belong here. Palantir values excellence regardless of background. We are committed to making the application and hiring process accessible to everyone and will provide a reasonable accommodation for those living with a disability. If you need an accommodation for the application or hiring process, please
reach out
and let us know how we can help.
#J-18808-Ljbffrn
Software Developer
Posted 15 days ago
Job Viewed
Job Description
The Software Developer will:
- Develop and maintain .NET applications for edge devices and cloud environments.
- Create dashboard components and CMS functionality in React.
- Optimise SQL performance and manage large datasets effectively.
- Manage and maintain cloud infrastructure in Microsoft Azure.
- Troubleshoot and debug code across multiple codebases and languages (C# and Typescript).
- Support operations and maintenance teams by building alerts, tools, and resolving technical issues.
The Software Developer will have:
- 6+ years' experience in software engineering with large-scale .NET codebases.
- Proficient in C#, React (Typescript, HTML, CSS), SQL, and Azure cloud environments.
- Strong understanding of software engineering practices and Agile methodologies.
- Experience in automated testing, debugging, and code review processes.
- Familiarity with protocols and technologies such as OCPP, OCPI, Modbus, and CANBus.
- Excellent communication and collaboration skills, with the ability to work in a fast-moving environment.
This is an excellent opportunity to apply your expertise to cutting-edge sustainable energy projects and help shape the future of EV charging infrastructure.
Apply now and take the next step in your career.
Software Developer
Posted 15 days ago
Job Viewed
Job Description
Successful candidates will have a unique experience working on or supporting the latest ground-breaking cyber security and networking technologies on a national and international scale. This opportunity will allow those involved to have first-hand exposure to the latest technologies via the research and development that we are undertaking to secure our telecommunications networks, in order to keep the UK the safest place to live and do business online. It also gives exposure to senior government department officials, communications industry leaders and academic professionals, all key stakeholders as you help leaders to coordinate meetings and briefings.
As a trusted and independent national capability, the UKTL will interact at the intersection of standards bodies, such as 3GPP, the National Cyber Security Centre and the wider UK intelligence community, academia, Ofcom, as well as Communications Service Providers and telecommunication equipment vendors.
What you could be doing for us:
- Responsible for the software development lifecycle of bespoke tooling.
- Leverage your experience and skills to assist teams in establishing the best architecture for products and services.
- Provide technical expertise on software development across teams in the .
- Developing CLI and web applications using modern interpreted and compiled programming languages, debugging & troubleshooting, IDE & OS Basics, test driven development, clean code & refactoring, version control, CI / CD, alerting & monitoring, Functional & Non-Functional Testing.
- High performance application design and development in C++, Python and related languages.
- Conduct security research and develop solutions for 5G networks, including creating and testing prototypes in both fronthaul and backhaul environments.
- Work with the latest high-end telecommunications hardware and performance machines.
- Contribute to advancing security in cutting-edge telecommunications technologies and developing robust solutions for high-performance systems.
- Working with latest and high-performance technologies.
About the Candidate:
Essential skills
- Engagement with open-source communities and processes.
- Solid scripting ability e.g. with Python.
- Basic Linux / Unix environment experience.
- Broad understanding of 5g wireless networks.
- Experience using e.g. C/C++ for software development.
- Experience with Git or other version control.
- Basic understanding of and competence in using virtualized environments.
- Understanding of containerisation & networking basics willingness to learn more if needed.
- Ability and enthusiasm to learn new programming languages as needed, with a strong interest in continuous development.
Software Developer
Posted 4 days ago
Job Viewed
Job Description
Software Developer
Express new ideas, take initiative and save lives. Others talk about being brave, at CLEO Systems, we’re made that way.
By providing highly capable, innovative, and integrated software solutions within integrated urgent care – every role at CLEO Systems is made to be brave.
We are seeking a Software Developer who thrives in a fast-paced, collaborative environment. You’ll be at the forefront of building and maintaining powerful, high-performance systems that support real-world healthcare delivery.
You'll be working with modern technologies such as Go, Node.js, Redis, RabbitMQ, Postgres, and Docker—all deployed within AWS environments. Your expertise will help shape our evolving microservice architecture, improve our engineering practices, and directly impact clinicians and patients across the UK.
The ideal candidate will have strong experience in backend development with languages such as Go or Node.js and familiarity with event-driven systems, microservices, and Docker. You will have a Solid understanding of databases (e.g. Postgres) and message queues (e.g. RabbitMQ).
You must have a minimum of 3 to 5 years experience as a Software Developer.
Previous experience with healthcare systems would be desirable and experience working in AWS environments is a plus.
Who are we?
CLEO Systems is a wholly owned subsidiary of Integrated Care 24 (IC24), the leading not-for-profit Social Enterprise providing innovative, and patient focused primary care services. We are committed to delivering ‘Clinical Excellence Online’ (CLEO). Through this mission we contribute to the wider Group ambition to improve access to health and social care for patients and reduce the demand on secondary care services. IC24 provides services to over 6 million patients, including GP led out-of-hours services, NHS 111, primary care and secondary care support services.
Location Hybrid (occasional travel to Ashford Kent)
Hours 37.5 per week
What’s in It for You?
- Salary : Ranging from £45,000 - £0,000 dependent on experience per annum with a .000 on call allowance
- Location: Hybrid – Remote & occasional travel to our office in Ashford, Kent
- Benefits : Access to the Nest Company Pension Scheme, free 24/7 independent counselling service, and a reward and discount platform.
- Benenden Health : company paid health support from private GP appointments to secondary care treatment.
- Learning and Development : Opportunities to advance your career through training and development.
- Community Engagement : We support volunteering and provide one paid day annually for community or charitable activities.
Due to the nature of this position, employment is subject to proof of eligibility to work in the UK, completion of a satisfactory basic DBS disclosure and two references.
Closing date: 23rd September 2025
At CLEO Systems we celebrate brave ideas and brave people.
We are committed to providing equal opportunities for all people and we particularly encourage applications from ethnic minorities, applicants with a disability and those from other under-represented groups.
If you would like to discuss any reasonable adjustments before applying or would like an accessible version of any recruitment documents, please contact the recruitment team on
Software Developer
Posted 5 days ago
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Job Description
Software Developer (Full Stack)
C# / .NET / Azure Cloud
Up to 70,000
Remote
We're working with a unique, small insurance company known for its outstanding products within their sector. Due to continued growth and an upcoming project, they're looking to bring on a Senior Software Developer.
The business is currently undergoing a company-wide modernisation programme, with a key upcoming project focused on migrating their policy administration system. As the Senior Full Stack Developer, you'll play a leading technical role on this project and others, helping to shape the future of their technology landscape.
This is a great opportunity for someone who's passionate about technology and problem-solving someone who enjoys building new solutions and modernising legacy applications. You'll be joining a fast-moving, agile, and dynamic team focused on continuous improvement. This is not a people management position, but a position to lead technically.
What We're Looking For:
- Experience playing a key role in migration and modernisation projects
- Comfortable working independently and collaboratively
- A proactive mindset, someone who contributes ideas and solves problems
- Experience working in a Kanban environment
- Proficient in C# and .NET
- Experience working in an Azure Cloud environment
Please apply and we'll be in touch!
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Software Developer
Posted 6 days ago
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Job Description
Software Developer
- 40,000- 45,000
- C# / .NET / JavaSript / SQL
- On-site in Oldbury
- To find out more email Beth on or call on (phone number removed)
About Us:
We're a long-established UK-based manufacturing and construction technology company with a strong engineering legacy, supporting multiple divisions across the country. Our business is a key player in providing design-to-delivery systems for the construction and manufacturing sectors, and we're continuing to invest in our in-house IT capabilities to support strategic growth.
As part of a wider global group with a significant international presence, we combine the stability of a major industrial organisation with a forward-looking, tech-driven approach
The Role:
As a Software Developer you'll be working on a range of bespoke software applications that support our internal design and manufacturing systems. Projects span the full software lifecycle-from concept and development through to testing, delivery, and maintenance.
This is a hands-on role for developers who are passionate about clean, maintainable code and enjoy working closely with engineering and operations teams to build effective, user-focused tools.
What You'll Be Doing:
- Designing, developing, and supporting business-critical software applications
- Working on bespoke systems that support design, manufacturing, and production
- Writing high-quality, maintainable code aligned to specifications and business needs
- Supporting system integration and contributing to test planning
- Maintaining and designing SQL Server databases, stored procedures, and functions
- Producing documentation to internal standards
- Troubleshooting issues, resolving bugs, and analysing data discrepancies
What We're Looking For:
- 3-4 years of professional experience in software development
- Solid understanding of the SDLC in a manufacturing or construction context
- Strong proficiency with:
- C# / .NET Framework
- Blazor
- SQL Server
Software Developer
Posted 6 days ago
Job Viewed
Job Description
SOFTWARE DEVELOPERS
- 40-45k Salary
- C# / .Net / JavaScript / Blazor / SQL Server
- Birmingham - office based role
- Half day on a Friday
- No sponsorship offered unfortunately
- (url removed)
ABOUT US
We are a leading Midlands based company working on products for our leading clients. We have sites across the UK but base ourselves in the West Midlands. We pride ourselves on being a great place to work and have progressive attitudes towards the modern workplace.
BENEFITS
- Fun and collaborative culture
- Health perks
- Company Pension
- Leading training and development
SOFTWARE ENGINEER ROLE
You will be working alongside our talented team of software engineers to produce market leading products for our range of leading clients. You will be a talented software engineer with a leaning towards the back-end but also capable of working full stack when needed.
ESSENTIAL SKILLS
- 3+ years of industry experience
- C# / .Net / JavaScript / SQL
- Teamwork and interpersonal skills
KEY SKILLS
C# / .Net / JavaScript / Blazor / SQL Server
Software Developer
Posted 7 days ago
Job Viewed
Job Description
Software Developer
Uttoxeter, Staffordshire - On-site
45,000 - 50,000 + 33 Days Holiday + Generous Pension Contribution + Private Healthcare
This is an excellent opportunity for a Software Developer who specialises in PHP and is looking for an autonomous working environment, where you will play a key part in the maintenance, support and development of automated software interfaces.
This company are a family run expert manufacturer with global backing, that pride themselves offering a premium first in class service that is unbeatable in their industry, making it a great opportunity to further your career.
In this varied role, you'll manage the maintenance, support, and development of automated software interfaces for laboratory instruments. You'll use your strong understanding of automation interfaces to develop, commission, and test new measurement methods to improve productivity and ensure accuracy. This includes developing robust test strategies and documentation, implementing industry best practices for test automation, and maintaining documentation for all in-house developed software.
The ideal candidate will have strong experience developing automated software interfaces using PHP, Python, and VBA, with advanced proficiency in Excel, including complex formulas and macros. Excellent verbal and written communication skills are essential for regular interaction with team members, clients, and other stakeholders.
This is a fantastic opportunity for a Software Developer who is looking for an autonomous working environment and wants to play a key part within the business.
The Role:
- Manage maintenance of automated software interfaces.
- Develop new measurement methods for productivity and accuracy.
- Create test strategies and documentation.
- Maintain documentation for all software.
- 5 Days a week onsite.
The Person:
- Experience in PHP, Python, and VBA.
- Advanced Excel skills.
- Strong communication with Stakeholders, Clients & Team.
- Commutable to Uttoxeter
Reference Number: BBBH(phone number removed)
To apply for this role or for to be considered for further roles, please click "Apply Now" or contact Tom McLaughlin at Rise Technical Recruitment
This vacancy is being advertised by Rise Technical Recruitment Ltd. The services of Rise Technical Recruitment Ltd are that of an Employment Agency
Rise Technical Recruitment Ltd regrets to inform that our client can only accept applications from engineering candidates who have a valid legal permit or right to work in the United Kingdom. Potential candidates who do not have this right or permit, or are pending an application to obtain this right or permit should not apply as your details will not be processed.
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