Senior Full Stack Engineer in London

Job DescriptionAbout Atos GroupAtos Group is a global leader in digital transformation with c. 63,000 employees and annual revenue of c. €8 billion, operating in 61 countries under two brands Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.About Our TeamOur Full stack engineering team brings together experienced engineers, diverse perspectives, and a flat team structure that enables visibility and impact from day one. With 4050 professionals across the practice, we deliver some of the most exciting projects in the market from next- fintech payment platforms to global insurance systems deployed across multiple countries.AI is an important part of our work, but this role is grounded in strong software engineering fundamentals. We are looking for senior engineers who enjoy architecture, system design, and end-to-end delivery, with a genuine interest in modern technologies, including AI.The role requires Security Clearance or ability to get SC in short timescales.About the RoleWe 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 CareerTechnologyThis 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 for each challenge.Contribute to diverse and meaningful projectsFrom automating government client systems and delivering large-scale platform migrations, to applying AI to enhance our products including next- fintech payment platforms and global insurance systems deployed across multiple countries.CultureOur 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 RoleAs a Senior Full Stack Engineer, you will:Design, build, and deploy scalable, high-quality systemsTranslate business and client requirements into technical solutionsWork directly with clients, moving quickly from concept to productionLead by example through hands-on developmentContribute to architectural decisions across multiple teamsSupport and mentor engineers while remaining deeply involved in deliveryWhat You BringA proven track record in full stack developmentExperience designing systems and solutions independentlyExperience providing technical leadership while staying actively involved in hands-on development is highly valued.Experience RequiredSolid understanding of maintainable code, systems design and software architectureExperience working across multiple technology stacksStrong experience with library-appropriate, strongly typed such as C++, Java, C#, Go or Rust , along with relevant front-end frameworksHigh adaptability and the ability to learn new technologies quicklyInterest in modern technologies such as new , AI, cloud platformsStrong communication skills and confidence working with clients and distributed teamsYour Benefits, Your Way25 days annual leave , with the option to purchase additional daysPrivate HealthcareLife AssuranceIncome ProtectionPension contribution matched up to 10%Flexible benefits , allowing you to tailor your package around wellbeing, family support, and moreSelection ProcessRecruiter introductionOnline test (approximately 35 minutes, completed in your own time)Technical interview with the Head of Gen AI PracticeLive coding session with a future colleague(All interviews are conducted via MS Teams.)Recruiter Contact:Please write directly to Ofelia Georgieva on Ofelia Georgieva | LinkedIn |, Equity & InclusionHere at Atos, and are embedded in our DNA.Read moreabout our commitment to a fair work environment for all. As a Confident employer, we encourage applications from all applicants, especially, differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed and willing to making reasonable adjustments to the application and assessment process to accommodate your needs.We are also a care leaver-friendly employer. If you require additional support with your application, please contact our recruiter or send an email to our dedicated mailbox -Lets grow together.TPBN1_UKTJ