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Senior Full Stack Engineer United Kingdom Jobs (Hybrid work)

22 Job Offers

Senior Full Stack Engineer
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United Kingdom , London
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85000.00 GBP / Year
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360 Resourcing Solutions
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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 Java Engineer - Full Stack, Vice President
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Senior Java Full-Stack Engineer (Vice President) sought in London to design and build large-scale, mission-critical applications. This role demands 6-10 years of experience with Java, Spring Boot, and React/Angular, plus expertise in microservices and AI-powered development tools. You will drive ...
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United Kingdom , London
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Citi
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Senior Full Stack Engineer
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Join a fast-growing team building a global, two-sided marketplace platform. As a Senior Full Stack Engineer, you'll design and scale high-volume systems with a backend focus. Enjoy high autonomy, a remote-first culture, and ownership from idea to iteration. Strong Java, React, and AWS experience ...
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United Kingdom , Oxford
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Orbis Consultants
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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 Engineer
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Join a London-based team as a Senior Full Stack Engineer, shaping core business products from backend to UX. Apply your strong software fundamentals and product mindset to build reliable, high-impact systems with Rust. Enjoy high autonomy, deep technical challenges, and a culture valuing curiosit...
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United Kingdom , London
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Orbis Consultants
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Senior Full Stack Engineer
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Join a London-based startup revolutionizing sports media with real-time data and AI. As a Senior Full Stack Engineer, you'll build high-performance systems using Java, TypeScript, and modern frameworks. You'll own the full stack, from real-time data pipelines to AI-integrated features, in a fast-...
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United Kingdom , London
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80000.00 GBP / Year
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Formula Recruitment
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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 Engineer
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Join PolyAI as a Senior Full Stack Engineer in London. Develop cutting-edge AI voice assistants using Python, React, and Next.js in a high-ownership role. Enjoy a flexible remote policy, extended holidays, and share options while mentoring a collaborative team.
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United Kingdom , London
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PolyAI
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Senior UI Server Full Stack Engineer - Fixed Income Tech
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Join Citi's Fixed Income Tech team in London as a Senior Full Stack Engineer. Design and develop robust, scalable applications using Java 8+, Spring Boot, and message-driven systems. Enjoy a hybrid model, performance bonus, private medical care, and 27 days annual leave.
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United Kingdom , London
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Citi
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Senior Full Stack Engineer
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Join Dexory as a Senior Full Stack Engineer in Wallingford. Design and build customer-facing systems and robot fleet controls using React, TypeScript, Ruby on Rails, and PostgreSQL. Enjoy impactful work with full ownership, private healthcare, pension, and 25 days holiday.
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United Kingdom , Wallingford
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Dexory Using
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Senior Full-Stack Engineer
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Join a London-based team at the forefront of AI infrastructure. As a Senior Full-Stack Engineer, you will build a complex platform for ML training data, handling multi-modal data (image, video, 3D) with high performance. Take end-to-end ownership using Python, TypeScript, and React in a cutting-e...
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United Kingdom , London
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Encord
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Senior Full-Stack Engineer
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Join a pioneering team in London building the future of AI infrastructure. As a Senior Full-Stack Engineer, you'll tackle immense scale in computer vision, owning projects end-to-end. We seek an experienced engineer who builds reliable, performant systems from scratch. Enjoy a competitive package...
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United Kingdom , London
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Encord
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Senior Full Stack Engineer
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Join a leading consultancy as a Senior Full Stack Engineer in London. You will design and build impactful features using Java, Spring Boot, TypeScript, and React.js. Leverage your Azure and DevSecOps expertise to enhance architecture and performance for real-time pensions and trading systems. Thi...
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United Kingdom , London
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Formula Recruitment
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Senior Full Stack Engineer
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Join Team Web as a Senior Full Stack Engineer in London. Shape the future of Intercom's core website using React, Next.js, and AWS. Build robust, full-stack solutions while collaborating with marketing and design teams. Enjoy competitive salary, equity, comprehensive benefits, and a stocked kitchen.
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United Kingdom , London
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Intercom
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Senior Full Stack Engineer - Fixed Income Tech
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Join Citi's Fixed Income Technology team in Manchester as a Senior Full Stack Engineer. Design and develop robust, low-latency applications using Java 8+, Spring Boot, and distributed systems. Enjoy benefits like a performance bonus, private medical care, and 27 days annual leave in this key elec...
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United Kingdom , Manchester
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Citi
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Senior Full Stack Engineer
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Join our London team as a Senior Full Stack Engineer. You will own the full engineering lifecycle, designing scalable features for our payments platform. We seek a proactive leader with 5+ years' experience in backend development and cloud platforms. Enjoy a flexible, collaborative culture where ...
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United Kingdom , London
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Sokin
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Senior Full Stack Engineer
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Join an innovative nature-tech leader in London as a Senior Full Stack Engineer. You'll build scalable, cloud-based microservices with Golang/Python and craft user interfaces using React/TypeScript. This hybrid role offers the chance to own impactful features from concept to deployment, transform...
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United Kingdom , London
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Salary
100000.00 GBP / Year
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Formula Recruitment
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About the Senior Full Stack Engineer role

Explore the dynamic and in-demand world of Senior Full-stack Engineer jobs, where technical mastery meets strategic leadership. A Senior Full-stack Engineer is a highly experienced professional responsible for designing, building, and maintaining all layers of a software application, from the user-facing frontend to the server-side logic and database architecture. This role transcends basic coding; it involves owning the entire development lifecycle of complex features and systems, making critical architectural decisions, and driving technical excellence across the product.

Professionals in these roles typically juggle a wide array of responsibilities. On a daily basis, they design robust, scalable system architectures and write clean, efficient code for both client and server components. They are deeply involved in database design, API development, and ensuring seamless integration between all parts of the technology stack. A key aspect of the seniority is mentorship and leadership: they guide and review the work of less experienced engineers, establish best practices, and contribute significantly to the team's technical and product strategy. They are the go-to experts for solving ambiguous, complex problems and optimizing system performance, security, and reliability.

The typical skill set for these positions is comprehensive. Technically, employers seek candidates with 5+ years of proven full-stack development experience, possessing deep proficiency in at least one backend language (such as Python, Java, Ruby, or Node.js) and its associated frameworks, coupled with expertise in a modern frontend library like React, Angular, or Vue.js. A strong foundation in data structures, algorithms, and system design is mandatory. Experience with SQL and NoSQL databases, cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), and CI/CD pipelines is commonly expected. Beyond technical prowess, successful Senior Full-stack Engineers demonstrate excellent communication and collaboration skills to work with cross-functional partners, a product-oriented mindset to align technical work with business goals, and a proven track record of leading projects from conception to deployment.

Senior Full-stack Engineer jobs are pivotal in modern tech organizations, acting as the crucial bridge between vision and execution. These roles offer the opportunity to have an outsized impact on a company's core product, shaping its technological future while fostering team growth. If you are an engineer who thrives on end-to-end ownership, architectural challenges, and mentoring the next generation of developers, exploring Senior Full-stack Engineer positions is your next career step. Discover opportunities where your full-spectrum expertise will be valued and where you can build the foundational systems that power user experiences and business logic alike.