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Backend Engineer United Kingdom Jobs

49 Job Offers

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Senior Backend Engineer - Payments
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Senior Backend Engineer - Payments role in the UK. Build bank and payment scheme integrations (SEPA, SWIFT, Faster Payments) using Kotlin or Java, microservices, AWS and Kubernetes. Own payment flow reliability, reconciliation and observability.
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Pleo
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Backend Engineer - Subscriptions
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Join Spotify as a Backend Engineer in London to build scalable commerce services powering subscriptions. Work with Java, Python, and GCP on high-traffic systems driving acquisition and retention.
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Spotify
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Senior Full-stack Engineer (backend-heavy)
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Senior Full-stack Engineer (backend-heavy) at Preply in London. Lead Python/Django backend and React/TypeScript frontend work, apply Agentic AI, and design scalable systems. Enjoy equity, health insurance, learning budget, and relocation support.
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Preply
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Backend / Data Platform Engineer
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Foundational seeks a Backend/Data Platform Engineer in London to build ingest pipelines and time-series data systems for satellite laser ranging. Requires strong Python/Go/Rust, SQL, Kubernetes and data pipeline experience.
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Foundational
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Backend Engineer - Acquisition Technology
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Join iwoca as a Backend Engineer in Acquisition Tech, owning German customer acquisition systems. Requires Python, advanced SQL, and end-to-end delivery skills. Hybrid in London or remote UK.
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iwoca
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Safety Engineer (Backend Leaning)
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Join ElevenLabs as a Safety Engineer (Backend Leaning) in the UK. Build scalable moderation systems and abuse detection for AI agents using Python. 5+ years of backend engineering experience required.
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ElevenLabs
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Senior Backend Product Engineer
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Senior Backend Product Engineer role in London with Java/Kotlin, Spring, Kafka and AI-first development. Build mission-critical services with real ownership and visible business impact at a fast-growing fintech.
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CAIS
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Backend Engineer
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Join Octopus Energy as a Backend Engineer in London and help build a fair, clean energy future. Work with Python, Django, GraphQL, and Postgres on robust, scalable systems.
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Location
United Kingdom, London (GB)
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Octopus Energy
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Senior Backend Engineer, Cloud Platform
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Senior Backend Engineer role at ClickUp's Cloud Platform team in the UK, focused on scaling AWS infrastructure with deep Amazon EKS expertise. Requires 6+ years in distributed systems, strong Kubernetes and Terraform skills, plus Go, Python, or TypeScript coding.
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ClickUp
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Staff Backend Engineer
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Altium seeks a Staff Backend Engineer in Cambridge to build and maintain scalable APIs, SDKs and services using C#, Python and Golang. Requires 5+ years in software development, strong architecture knowledge and independent problem-solving skills.
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Renesas Electronics
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Backend Engineer - Platform Security
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Join Spotify's Security Compliance Engineering team in London as a Backend Engineer II. Build scalable backend solutions using Java, automate security and compliance processes, and strengthen GRC capabilities across a global platform.
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Spotify
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Senior Software Engineer (Backend, Python)
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United Kingdom, London (GB)
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Octopus Energy
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Backend Software Engineer - Infrastructure, Foundations
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Palantir Technologies
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Senior Backend Engineer - Commerce Platform
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Spotify
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Backend Engineer
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United Kingdom, London (GB)
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Octopus Energy
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Senior Backend Engineer - Quantitative Sports
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United Kingdom, United Kingdom
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Hard Rock Digital
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Principal Backend Engineer - Casino
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United Kingdom, United Kingdom
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Hard Rock Digital
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Backend Java Engineer - Kazakhstan/Russian speaker (6 months Contract)
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Location
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Binance
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Senior Backend Engineer - Subscriptions
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Spotify
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Backend Software Engineer - New Bets
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Heidi
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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.