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Senior Software Engineer (Full Stack) United Kingdom Jobs

9 Job Offers

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Full-Stack Senior Software Engineer, GenAI Data Products and Platform (VP)
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Join Citi as a VP Full-Stack Senior Software Engineer to build 'Citi Assist', a GenAI assistant for global employees. You’ll own end-to-end features using Python, TypeScript, and React, working with data pipelines and cloud infrastructure (OpenShift/Kubernetes). Based in London, this role offers ...
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United Kingdom , London
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Citi
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Senior Full Stack Software Engineer
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Join Retail Insight as a Senior Full Stack Engineer in Surrey/London. Design and build scalable analytics platforms using .NET Core, React, and modern databases. Enjoy a hybrid model, 25+ days leave, and strong career development in a collaborative team.
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United Kingdom , Surrey, Greater London
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Retail Insight
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Senior Full-Stack Software Engineer, (Forward Deployed), GPS
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Join Scale's Global Public Sector team in London as a Senior Full-Stack Engineer. Build impactful AI applications using React, TypeScript, Python, and cloud platforms. Partner directly with clients to deploy and architect scalable, production-grade solutions.
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United Kingdom , London
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Scale
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Senior Software Engineer, Full Stack - Fintech Airlines
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United Kingdom , London
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Hopper
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Full-stack Senior Software Engineer, GenAI Data Products and Platform
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United Kingdom , London
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Citi
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Senior Full Stack Software Engineer
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United Kingdom
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Octopus Energy
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Senior Full-Stack Software Engineer
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United Kingdom , London
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Heidi
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Senior Full Stack Software Engineer - ClickPipes Platform
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Join ClickHouse as a Senior Full Stack Engineer for the critical ClickPipes Platform. Build scalable React/TypeScript applications and backend systems at petabyte scale. Enjoy a remote role with autonomy, equity, and a flexible, distributed team environment in the UK.
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United Kingdom
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ClickHouse
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Senior Full-Stack Software Engineer
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Join our London team as a Senior Full-Stack Engineer. Drive innovation using Go, Python, and React within a product-focused, agile environment. Enjoy a hybrid model, 27 days leave, bonus, and comprehensive benefits while revolutionizing controls management.
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United Kingdom , London
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Citi
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About the Senior Software Engineer (Full Stack) role

Explore the dynamic and in-demand world of Senior Software Engineer (Full Stack) jobs. A Senior Full Stack Engineer is a versatile and experienced professional who possesses the expertise to design, build, and maintain all layers of a modern software application, from the user interface to the server logic and database. This role is the cornerstone of product development, requiring a holistic understanding of how front-end and back-end systems integrate to create seamless, scalable, and robust digital experiences. Professionals in these jobs are not just coders; they are technical leaders, problem-solvers, and architects who guide the entire software development lifecycle.

Typically, the responsibilities of a Senior Full Stack Engineer are comprehensive. They involve architecting and developing responsive, intuitive user interfaces using modern frameworks like React, Angular, or Vue.js. On the server side, they build secure, high-performance APIs and services, often with technologies such as Node.js, Python (Django/Flask), Java (Spring), or .NET Core. They design and interact with databases, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB), ensuring data integrity and efficient retrieval. A critical aspect of the role is integrating these components into a cohesive system, often within a microservices architecture. Beyond pure development, senior professionals are expected to optimize applications for performance, security, and reliability, implement robust testing strategies, and manage deployment through CI/CD pipelines and containerization tools like Docker and Kubernetes. They also play a key mentorship role, coaching junior engineers, conducting code reviews, and collaborating closely with product managers and designers to translate business requirements into technical solutions.

The typical skill set for these jobs is broad and deep. A strong foundation in core computer science principles, data structures, and algorithms is essential. Proficiency in both front-end and back-end programming languages and frameworks is a given. Equally important are skills in system design, API development (REST, GraphQL), and version control with Git. As senior roles, they demand excellent problem-solving abilities, a keen understanding of trade-offs, and the capacity to make sound architectural decisions. Familiarity with cloud platforms (AWS, Azure, GCP), DevOps practices, and Agile/Scrum methodologies is highly common. While formal education in Computer Science or a related field is often listed, substantial professional experience—typically 5+ years in full-stack development—is the key qualification. Soft skills like effective communication, teamwork, and a proactive, leadership mindset are what distinguish top candidates in this field.

For those seeking to advance their career, Senior Full Stack Software Engineer jobs offer a challenging and rewarding path at the heart of innovation, where one can shape entire products and lead technical teams toward building the next generation of software solutions.

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