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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer - **Company:** Atos - **Location:** London, UK - **Experience:** Expert - **Salary:** £67,239.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, C Sharp (Programming Language), C++ (Programming Language), Software Architecture, Service Stack, Golang - **Published:** August 12, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5840668368 ## About the Role * A proven track record in full stack development * Experience designing systems and solutions independently * Experience providing technical leadership while staying actively involved in hands-on development is highly valued. Experience Required * Solid understanding of maintainable code, systems design and software architecture * Experience working across multiple technology stacks * Strong experience with library-appropriate, strongly typed languages such as C++, Java, C#, Go or Rust, along with relevant front-end frameworks * High adaptability and the ability to learn new technologies quickly * Interest in modern technologies such as new languages, AI, cloud platforms * Strong communication skills and confidence working with clients and distributed teams ## Description We are seeking a Senior Full Stack Engineer who is passionate about building high-quality software and designing robust systems. You will work on complex, large-scale solutions across multiple technology stacks, collaborating closely with clients and internal stakeholders. While you will help guide other engineers, this role is engineering-led rather than people-management-focused. Where Purpose Meets Career Technology This is a true full stack role, offering exposure to a broad range of technologies and architectures. You will continuously upskill while working alongside highly talented engineers, selecting the most appropriate tools and languages for each challenge. Contribute to diverse and meaningful projects From automating government client systems and delivering large-scale platform migrations, to applying AI to enhance our products - including next-generation fintech payment platforms and global insurance systems deployed across multiple countries. Culture Our culture is built by people who genuinely love technology. We value curiosity, collaboration, and continuous learning, and we actively support innovation and knowledge sharing. Your Future Role As a Senior Full Stack Engineer, you will: * Design, build, and deploy scalable, high-quality systems * Translate business and client requirements into technical solutions * Work directly with clients, moving quickly from concept to production * Lead by example through hands-on development * Contribute to architectural decisions across multiple teams * Support and mentor engineers while remaining deeply involved in delivery ## Related Videos - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Introducing a Digital Service Catalog for speed and scale](https://www.wearedevelopers.com/videos/763-introducing-a-digital-service-catalog-for-speed-and-scale) - [Building software that scales with Typescript](https://www.wearedevelopers.com/videos/415-building-software-that-scales-with-typescript) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)