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Backend Engineer United Kingdom Jobs

52 Job Offers

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Senior Backend Engineer (C++)
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United Kingdom
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Parser Limited
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Ai Backend Engineer
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ITV seeks an AI Backend Engineer to join its AI Agent Hub team in London or Manchester. You will build robust backend services using Python, FastAPI, and LiteLLM, focusing on RAG pipelines, model routing, and secure API integrations. Ideal candidates have 3+ years of production backend experience...
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United Kingdom , London; Manchester
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ITV Jobs
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Senior Backend Engineer (Security Compliance)
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Senior Backend Engineer (Security Compliance) sought for a London-based contractor role. Architect and build Java/Spring Boot services on GCP/GKE, enforcing compliance controls across thousands of repositories. You will own technical decisions end-to-end, leveraging gRPC, GraphQL, and PostgreSQL....
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United Kingdom , London
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Randstad
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Backend Software Engineer - Guest & Host
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Join Airbnb as a Backend Software Engineer in London to build next-gen hosting experiences across EMEA. You’ll deliver personalized features, scale reliable systems, and collaborate with global teams. Requires 4+ years experience (or PhD) and strong cross-timezone collaboration. Enjoy bonus, equi...
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United Kingdom , London
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75000.00 - 88000.00 GBP / Year
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Airbnb
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Ai Backend Engineer
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ITV seeks an AI Backend Engineer to join its AI Agent Hub in London or Manchester. You will build robust backend services using Python and FastAPI, focusing on RAG pipelines, LLM integration, and secure APIs. Ideal candidates have 3+ years of production experience with Python, REST APIs, and AI p...
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United Kingdom , White City, London; Media City, Manchester
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ITV
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AI Backend Engineer
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ITV seeks an AI Backend Engineer to join its AI Agent Hub team in London or Manchester. You will build robust backend services using Python, FastAPI, and LiteLLM, focusing on RAG pipelines, model routing, and secure API integrations. Ideal candidates have 3+ years of production backend experience...
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United Kingdom , White City, London; Media City, Manchester
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Influx Search
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Senior Backend Python Engineer - AI Platform
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United Kingdom , London
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Citi
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Senior Backend Engineer
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Join John Lewis Partnership as a Senior Backend Engineer in London. Develop high-traffic e-commerce platforms using Kotlin/Java, Spring Boot, and microservices. Champion Agile practices, TDD, and CI/CD while mentoring engineers. Enjoy benefits like a partner discount, pension, and opportunities f...
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United Kingdom , London
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52000.00 - 74000.00 GBP / Year
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John Lewis Partnership
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Data Security Backend Engineer - Java/ UI Development
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Join Citi's Tech team in Belfast as a Mid-level UI Frontend Developer. Engineer secure, high-performance user interfaces using TypeScript and React.js within a global financial leader. Enjoy a competitive package including bonus, private healthcare, and hybrid work flexibility while shaping the f...
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United Kingdom , Belfast
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Citi
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Data Security Backend Engineer - Java
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Join Citi's Tech team in Belfast to shape the future of global finance. As a Java Backend Engineer, you'll develop secure microservices using Java and Spring Boot. Enjoy a hybrid model, performance bonuses, and comprehensive benefits while solving complex data security challenges.
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United Kingdom , Belfast
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Citi
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Senior Backend Engineer
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Join a leading team building large-scale esports infrastructure as a Senior Backend Engineer. Utilize your strong Golang expertise to develop high-throughput, real-time backend systems and microservices. Work remotely from the UK on platforms powering global tournaments and fantasy products. Expe...
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United Kingdom , Remote
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Signify Technology
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Senior Java Software Engineer – Core Backend Platform
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Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...
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United Kingdom , London
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Orbis Consultants
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Senior Backend Software Engineer
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Join a leading crypto company in London as a Senior Backend Engineer. Design and scale high-performance, event-driven systems for real-time blockchain transactions. Leverage your expertise in distributed systems and Python/C++/Java, with a move to Rust. Build impactful infrastructure in a fast-pa...
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United Kingdom , London
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150000.00 GBP / Year
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Oho Group Ltd
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Senior Software Engineer – Backend
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United Kingdom , London
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Orbis Consultants
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Senior Backend Engineer, Vendor Risk Management
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United Kingdom , London
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Vanta
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Senior Backend Engineer
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United Kingdom , London
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Socure
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Software Engineer - Backend
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United Kingdom
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OutSystems
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Senior Software Engineer – Backend
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United Kingdom , London
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Orbis Consultants
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Software Engineer, Backend
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Join Junction as a Backend Software Engineer to build scalable infrastructure for diagnostic healthcare. Design reliable APIs and distributed systems to process high-volume medical and wearable data. Enjoy a remote-first role with equity, learning budgets, and global team offsites. Help make heal...
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United Kingdom
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90000.00 - 130000.00 GBP / Year
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Junction
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Senior Software Engineer | Backend
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Join Apron in London as a Senior Backend Engineer to build secure, high-speed financial systems. We seek an expert with 6+ years' backend experience, proficiency in Kotlin/JVM, and cloud platform knowledge. You'll develop core integrations in a product-led startup, enjoying a competitive salary, ...
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United Kingdom , London
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Apron
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About the Backend Engineer role

Explore the dynamic and critical field of backend engineering, where you can find some of the most sought-after and rewarding tech jobs available. Backend engineers are the architects of the digital world, building the server-side logic, databases, and application programming interfaces (APIs) that power everything from the websites you browse to the mobile apps you use daily. While frontend developers create the visual elements users interact with, backend engineers work behind the scenes to ensure data is processed, stored, and delivered securely, reliably, and at lightning speed. These jobs are fundamental to the functionality of any online service, making backend engineers indispensable in virtually every industry.

Professionals in these roles are typically responsible for designing, developing, and maintaining the core components of a software system. A typical day might involve writing clean, efficient code for new features, optimizing existing databases for better performance, and building robust APIs that allow different software components to communicate seamlessly. Common responsibilities include developing and managing servers and serverless architectures, integrating with third-party services and data sources, and ensuring the security of data against cyber threats. Furthermore, backend engineers are tasked with implementing data storage solutions, which can range from traditional SQL databases to modern NoSQL systems, depending on the project's needs. A significant part of these jobs also involves creating and maintaining continuous integration and continuous deployment (CI/CD) pipelines to automate testing and deployment, as well as designing comprehensive monitoring and alerting systems to guarantee high availability and quickly resolve any production issues.

To succeed in backend engineer jobs, a strong foundation in computer science principles is essential. Candidates typically need proficiency in one or more server-side programming languages such as Java, Python, C++, Go, or Scala. A deep understanding of database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis), is a standard requirement. Knowledge of web frameworks, containerization tools like Docker and Kubernetes, and cloud service providers (AWS, Google Cloud, Azure) is also highly valued. Beyond technical prowess, these roles demand strong problem-solving skills to debug complex issues and architect scalable systems. Effective collaboration is key, as backend engineers frequently work alongside frontend developers, product managers, and data scientists. They must be proactive, adaptable to evolving technologies, and committed to writing well-documented, tested code. Whether you are an entry-level developer or a seasoned tech lead, backend engineer jobs offer a challenging and impactful career path at the heart of technological innovation.