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Full Stack Engineer - Backend United Kingdom Jobs (Hybrid work)

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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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Full Stack Engineer
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United Kingdom , London
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hyperexponential
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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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Kotlin Full Stack Engineer
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Join our London team as a Kotlin Full Stack Engineer. You'll build secure, high-performance products at scale using Kotlin backends and React/TypeScript frontends. Contribute to modern CI/CD pipelines and innovative AI tooling within a fintech environment. Strong communication and cloud experienc...
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United Kingdom , London
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Salt
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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 Software Engineer
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United Kingdom , London
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100000.00 GBP / Year
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Orbis Consultants
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Full-stack Software Engineer
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Join our Glasgow team as a Full-stack Software Engineer, specializing in Java and Spring Boot. You will build platforms and tooling to enable modern engineering practices at scale, using CI/CD, Docker, and cloud technologies. We offer private medical care, pension contributions, and a competitive...
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United Kingdom , Glasgow
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Barclays
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Full-Stack Engineer
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United Kingdom , London
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65000.00 GBP / Year
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Formula Recruitment
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Full Stack Engineer
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United Kingdom , London
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Orbis Consultants
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Junior Full Stack Engineer
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United Kingdom , London
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50000.00 - 75000.00 GBP / Year
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Omnea
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Search Full Stack Engineer
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United Kingdom; Serbia; Germany , London; Belgrade; Berlin
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Perplexity
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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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Full Stack Software Engineer - Application Development
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United Kingdom , London
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Palantir Technologies
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Full Stack Software Engineer - Application Development
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United Kingdom , London
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Palantir Technologies
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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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Full Stack Engineer
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Join a leading financial services firm in London as a Full Stack Engineer. You will modernise critical applications, migrating legacy SharePoint to a new portal using C#, SQL, and React. This hybrid role offers high autonomy on a major transformation programme with significant business impact.
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United Kingdom , London
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70000.00 - 85000.00 GBP / Year
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Harrington Starr
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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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A Full Stack Engineer specializing in backend jobs is a versatile and highly sought-after software professional who possesses expertise across the entire technology stack, with a pronounced depth in server-side logic, databases, and application architecture. This role is central to building the robust, scalable engines that power modern web applications, APIs, and digital services. While proficient in frontend technologies to ensure cohesive integration, their primary focus and value lie in designing, implementing, and optimizing the complex backend systems that handle data, business logic, security, and performance. Professionals in these roles typically shoulder end-to-end responsibility for feature development and system health. Common responsibilities include designing and developing secure, high-performance APIs and microservices; architecting and interacting with both SQL and NoSQL databases; writing clean, maintainable, and tested server-side code; and ensuring system reliability through monitoring, debugging, and participating in on-call rotations. They are deeply involved in the entire software development lifecycle, from concept and design through testing, deployment, and iteration. A critical aspect of the job is collaborating closely with frontend engineers, product managers, and DevOps specialists to translate business requirements into technical solutions, often making key architectural decisions that impact scalability and long-term maintainability. The typical skill set for these backend-focused full stack jobs is comprehensive. Core technical requirements almost always include advanced proficiency in one or more backend programming languages such as Java, Python, C#, or Node.js, alongside frameworks like Spring Boot or Django. Expertise in RESTful API design, cloud platforms (AWS, GCP, Azure), and containerization technologies like Docker and Kubernetes is standard. A strong grasp of database management, data modeling, and caching strategies is essential. On the frontend, practical knowledge of JavaScript, TypeScript, and a modern framework like React, Angular, or Vue.js is necessary for effective integration. Beyond technical prowess, successful candidates demonstrate strong problem-solving abilities, a commitment to software best practices (including Agile methodologies, CI/CD, and code reviews), and excellent collaboration skills. Many positions also seek experience in mentoring junior engineers and advocating for technical excellence. For those seeking dynamic and impactful backend jobs, the Full Stack Engineer path offers the unique advantage of holistic system understanding. It allows professionals to not only build the foundational logic of applications but also to see how it connects to and enables the user experience, making them invaluable assets in any technology-driven organization. This blend of deep backend expertise with complementary frontend skills opens doors to a wide array of opportunities across industries, from startups to large enterprises.

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