166 IT Software Senior Software Engineer Go jobs in London

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• At least 4 years commercial experience with JavaScript or TypeScript and Node
• Exposure of Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You'll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

49904MS

INDLON

Software Engineer - 90,000 - Hybrid

Title : Software Engineer

Company : HPC / AI

Location : London (hybrid)

Package : Up to 90,000

Overview :

A next-generation and scientifically-led HPC team have opened up an opportunity for an experienced Software Engineer with C++ and GPU expertise to join a team of exceptionally talented developers.

You will have the opportunity to shape the developmental trajectory of the business by working on high-performance greenfield projects.

This is a fantastic chance for an experienced C++ engineer with proven experience in a video or high-performance environment to join a world-class team of engineers developing truly novel solutions.

About you:

• C++ is your strongest language
• Ideally experience in Video or Audio Processing
• Experience writing performance-critical software
• Exposure to GPU technology (Vulkan API, OpenGL, OpenCL, CUDA etc.,)
• Relevant degree

Full details are available. Please don't hesitate to get in touch with (email address removed). com to learn more.

Software Engineer – Surrey – Hybrid – Up to £40k

Are you a passionate Software Engineer ready to make a tangible impact? Do you thrive on solving complex problems and developing scalable, high-quality solutions? Join our client’s growing Software Engineering team and support them in shaping the future of technology across critical projects that matter, within the engineering sector.

About the Role

As a Software Engineer (Level 3), you’ll be at the heart of their development efforts—designing, building, and delivering robust software solutions in collaboration with a talented, supportive team. You'll own your code, contribute to key design decisions, and help mentor Junior Engineers, all while continuing to develop your own skills and expertise.

What You’ll Be Doing…

• Build clean, efficient, and maintainable code using .NET (ASP.NET Core, C#, Web API).
li>Engage in the full software development lifecycle—planning, coding, testing, deploying. < i>Collaborate closely with engineers, managers, and wider teams to deliver scalable solutions.
• Participate in technical design discussions and contribute to architectural decisions.
• Debug and troubleshoot complex issues in real-time.
• Ensure compliance with coding, security, and documentation standards.
• Provide guidance and mentorship to junior team members.
• Help improve test coverage and contribute to evolving best practices.

What You’ll Need…

• Strong expertise in .NET technologies—including ASP.NET Core, C#, Web API.
< i>Proficiency in working with SQL databases and queries.
• Solid grasp of software development best practices and methodologies.
• Experience in code reviews, with a focus on clean, secure, and scalable code.
• Excellent communication and collaboration skills.
• Familiarity with Version Control (e.g. Git).

Even better if you have…

< i>Experience with Agile methodologies.
• Understanding of UI/UX principles and responsive design.
• Exposure to cloud platforms (Azure or AWS).
• Knowledge of CI/CD pipelines and deployment workflows.
• Basic awareness of cybersecurity principles.
• Scripting with Python or PowerShell.
• Experience with SharePoint / O365 Application development.
• Familiarity with CAD software (Bentley, AutoCAD, Autodesk, Trimble).
• Interest in Geospatial mathematics and geometry.

Why Join?

You’ll be working on meaningful projects, be part of a collaborative, inclusive and forward-thinking team and gain continuous development. 

If you're driven by innovation, growth, and the opportunity to do work that matters, apply now and I’ll be in touch shortly &#(phone number removed);

Tilt Recruitment are specialists in IT Recruitment. We work hard to find our candidates their perfect roles within fantastic organisations across the UK. If this role isn’t right for you, please still get in touch with us as we may have other roles which may suit you better.

We also offer up to £500 for every successful referral, if you know someone who matches this skill set please let us know.

Tilt Recruitment is acting as an Employment Business in relation to this vacancy.

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• At least 4 years commercial experience with JavaScript or TypeScript and Node
• Exposure of Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You'll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

49904MS

INDLON

Software Engineer - 90,000 - Hybrid

Title : Software Engineer

Company : HPC / AI

Location : London (hybrid)

Package : Up to 90,000

Overview :

A next-generation and scientifically-led HPC team have opened up an opportunity for an experienced Software Engineer with C++ and GPU expertise to join a team of exceptionally talented developers.

You will have the opportunity to shape the developmental trajectory of the business by working on high-performance greenfield projects.

This is a fantastic chance for an experienced C++ engineer with proven experience in a video or high-performance environment to join a world-class team of engineers developing truly novel solutions.

About you:

• C++ is your strongest language
• Ideally experience in Video or Audio Processing
• Experience writing performance-critical software
• Exposure to GPU technology (Vulkan API, OpenGL, OpenCL, CUDA etc.,)
• Relevant degree

Full details are available. Please don't hesitate to get in touch with (email address removed). com to learn more.

Want to join a dynamic team building cutting-edge AI solutions and analytics on impactful, global projects?Are you passionate about shaping the future of AI-driven IP tools in a collaborative, flexible environment?About Us
LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase productivity and improve decision-making and outcomes. Our 10,500 experts and innovative tools help us shape a better world for our customers and communities.About The Role
We are hiring several Software Engineers at various levels to build AI capabilities through the delivery of AI technical research and proof-of-concept work. PatentSight+ enables core IP activities such as competitive intelligence, benchmarking, portfolio optimization, and more by bringing together highly curated and enriched datasets, cutting-edge analysis tools, streamlined workflows, and powerful visualization capabilities, all within a single platform. You will be working in a small, highly skilled agile team, with ownership over the mission and your development practices and process. Your engineering team will be mainly based in the UK and Germany. You will also work closely with an existing application team, data scientists, and a broader range of stakeholders distributed across the UK, Germany, Netherlands, and the USA.
Responsibilities
+ Researching the applicability of cutting-edge AI technology in our features.
+ Keeping up to date with evolving AI frameworks.
+ Delivering reports, insights, and proof-of-concepts (POCs).
+ Helping to build AWS platform infrastructure with CDK, such as Kubernetes services and vector databases.
+ Participating in development processes and code reviews.
+ Operating in a Scrum-based development environment while collaborating with stakeholders.
+ Proactively seeking to learn about best coding practices in Python.
Requirements
+ Ability to write code and tests in Python.
+ Knowledge of AWS or similar cloud providers.
+ Understanding of software engineering techniques and processes.
+ Demonstrable experience with fundamental data science and AI topics.
+ Strong interpersonal, communication, and presentation skills applicable to a wide audience.
+ Experience with Python, Azure Pipelines, and AWS CDK is desirable but not essential.
Work in a way that works for you
We promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.
+ Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive
Benefits
We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:
+ Generous holiday allowance with the option to buy additional days
+ Health screening, eye care vouchers and private medical benefits
+ Wellbeing programs
+ Life assurance
+ Access to a competitive contributory pension scheme
+ Save As You Earn share option scheme
+ Travel Season ticket loan
+ Electric Vehicle Scheme
+ Optional Dental Insurance
+ Maternity, paternity and shared parental leave
+ Employee Assistance Programme
+ Access to emergency care for both the elderly and children
+ RECARES days, giving you time to support the charities and causes that matter to you
+ Access to employee resource groups with dedicated time to volunteer
+ Access to extensive learning and development resources
+ Access to employee discounts scheme via Perks at Work
About The Business
LexisNexis Legal & Professional® provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision-making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® and Nexis® services.
We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1- .
Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here .
Please read our Candidate Privacy Policy .
USA Job Seekers:
We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.
EEO Know Your Rights .
RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive.
Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions.
Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.

**Date Posted:**
2025-06-30
**Country:**
United Kingdom
**Location:**
GBR29: Gloucester, 18b Ley Court, Barnwood Industrial Estate, Barnwood, Gloucester, Gloucestershire, GL4 3RT
**Position Role Type:**
Unspecified
**Software Engineer**
Gloucester or Manchester or London
**Must hold current active eDV clearance**
**Raytheon UK**
At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence.
Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.
Providing DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations.
**About the role:**
You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. We have opportunities for Software Engineers at every level within a team, so your Recruiter will discuss the great opportunities for development or challenges we offer based off your professional profile.
This opportunity will be an office-based role at one of our sites in the Gloucester, Manchester or London area. All candidates must already hold eDV to be eligible.
**Required Experience:**
+ Required to currently hold eDV
+ Experience of working in an Agile delivery team
+ Java development using Spring Boot
+ JavaScript frameworks - React, Angular, Vue etc.
+ Cloud services (AWS or Azure)
+ Experience building enterprise level web applications or services
+ Docker / Kubernetes containerisation and orchestration
+ Unit and automation testing
+ Familiarity with Data visualisation techniques and tools
+ Familiarity with structured and unstructured storage of Data
+ Use of Code repositories, familiarity with branching strategies, pull requests and merge processes.
+ MongoDB
+ Apache Kafka
+ Infrastructure as Code (IaC e.g Terraform, Ansible)
**Responsibilities**
+ Design and build software using industry best practice
+ Collaborate with stakeholders and other engineers
+ Contribute to the completion of milestones associated with your project
+ Contribute to continuous improvement within your team
+ Collaborate with your peers on technical direction within your team
**Benefits and Work Culture**
**Benefits**
+ Competitive salaries.
+ 25 days holiday + bank holidays, increasing by 2 days with time in service, plus opportunity to buy and sell up to 5 days
+ Contributory Pension Scheme (up to 10.5% company contribution)
+ Company bonus scheme (discretionary)
+ 6 times salary 'Life Assurance' with pension.
+ Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others.
+ Enhanced sick pay.
+ Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave.
+ Private Medical Insurance (dependant on grade)
**Work Culture**
+ 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements.
+ Early 1.30pm finish Friday, start your weekend early!
+ A grownup flexible working culture that is output, not time spent at desk, focussed. More formal flexible working arrangements can also be requested and assessed subject to the role. Please enquire or highlight any request to our Talent Acquisition team to explore the flexible working possibilities.
+ Up to 5 paid days volunteering each year.
**RTX**
Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon.
Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We're investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales.
#LI-BZ1 C&I
_RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law._
**Privacy Policy and Terms:**
Click on this link ( to read the Policy and Terms
Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

About BMLL

We are the leading independent provider of harmonized Level 3 historical data and analytics to the world’s most sophisticated capital market participants. BMLL offers banks, brokers, asset managers, hedge funds and global exchange groups immediate and flexible access to the most granular Level 3, T+1 order book data and advanced analytics, enabling them to accelerate research, optimize trading strategies and generate alpha at unparalleled speed and scale.

Our culture is inclusive and highly collaborative, with a flat management structure that empowers our employees to get involved in decision making as we continue to grow and scale.  We give all our employees share options so they participate in the growth and development of the business.

We offer a combination of remote and office (London based) working, weekly team lunches and plenty of office snacks!

For more information, please visit our website, or visit our Twitter, @bmlltech or LinkedIn, @BMLL.

About the Role

At BMLL we process terabytes of historical market data every day into suites of data products, which we then deliver to our customers.

This is an exciting opportunity for someone at or near the beginning of their career in technology to join us in the Data Distribution team. Our team owns the mechanisms that deliver data to customers, and ensures they’re robust, scalable and secure.

Our promise is that however a customer gets BMLL's data, they get it in the most efficient, cost-effective and timely manner possible, and the systems we build and maintain are responsible for keeping it. 

These systems are engineered to a high standard, using many technologies including Python, SQL, RDS/Postgres, Snowflake and Celery.

Your job will involve contributing to ongoing design and development, ensuring what we own stays efficient, precise, easy to understand, easy to operate, and free of errors. Our team is crucial to the success of BMLL's technology and commercial strategies.

Responsibilities

• Design and build solutions to distribute data to customers.
• Ensure 24/7 system reliability by implementing company and industry best practices.
• Implement workflow management software to automate operational tasks and optimize the utilisation of infrastructure and applications.
• Design and implement CI/CD workflows to maintain software quality via continuous and automated deployment and testing.
• Work hand-in-hand with product and operations teams.
• Review and assess tools that become available in the industry.

Requirements

Essential

• Degree in computer science or other STEM degree plus demonstrable computer science skill-set.
• 2+ years industry experience as a software engineer, or a data engineer leaning to software engineering.
• Good working knowledge of Python and SQL.
• Robust theoretical or practical understanding of concepts in distributed systems.
• Familiarity with Linux.
• Avid learner, problem solver and detail-orientation.
• Excellent communication skills.

Desirable

Experience with:

• Development using AWS (or other cloud provider’s) services.
• Snowflake, Databricks
• Working knowledge of admin-proximate tasks on a conventional RDBMS e.g., Postgres or Oracle query optimisation.
• C++, or C and Java

Benefits

• Competitive salary

• 25 days holiday plus bank holidays
• Discretionary Bonus 
• Pension Scheme
• Private Medical Insurance
• Work remotely abroad for up to 40 business days each year
• Life Insurance
• Combination of remote and London-based office working (2-3 days in office per week)
• A yearly Well being Physical Activity budget
• Continuous learning through funded training and challenging projects
• Collaborative culture
• Weekly team lunches
• Free Fruit, snacks, and drinks provided throughout the day (When office based)
• Regular Team Socials
• Cycle to Work Scheme

We are an inclusive employer and welcome applicants from all backgrounds. We pride ourselves on our commitment to Equality and Diversity. We are committed to removing barriers throughout our hiring process. If you have any special requirements or require reasonable adjustments to help you access career opportunities at BMLL, please do let us know