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Backend Engineer United Kingdom Jobs

41 Job Offers

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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Software Engineer, Backend
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Join Profound in London as a Backend Engineer to build scalable infrastructure for AI-driven insights. You will design high-performance APIs, optimize data pipelines, and ensure system reliability using Node.js/Python/Rust and cloud platforms. This role offers equity and a full benefits package i...
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United Kingdom , London
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140000.00 - 230000.00 USD / Year
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Profound
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Senior Backend Engineer
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United Kingdom , London
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Octopus Energy
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Backend Software Engineer - Infrastructure
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United Kingdom , London
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Palantir Technologies
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Backend Software Engineer - Application Development
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United Kingdom , London
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Palantir Technologies
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Senior Software Engineer (Backend - EMR/EHR Integrations)
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Join our London team as a Senior Backend Engineer specializing in EMR/EHR integrations. You will design and build critical healthcare API connections using standards like HL7 and FHIR, with Python/FastAPI. This hybrid role offers equity, wellness days, and a direct impact on AI-powered clinical w...
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United Kingdom , London
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Heidi
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Backend Software Engineer
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Join Encord's ambitious team in London as a Backend Software Engineer. Drive high-impact projects from concept to deployment, tackling complex challenges across the full stack. We value builders who thrive on ownership, problem-solving, and scaling AI infrastructure. Enjoy a competitive package w...
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United Kingdom , London
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Encord
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Software Engineer (Backend Developer - NodeJS)
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Join our UK-based team as a Backend Software Engineer specializing in Node.js and TypeScript. You will design and enhance our event-driven content pipeline using microservices, Kafka, and AWS. This role involves building CI/CD processes and collaborating within an Agile/Scrum environment to power...
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United Kingdom
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Reach plc
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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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Lead Backend Engineer – Python (Team Lead)
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Lead Backend Engineer (Python Team Lead) role in London. Lead a team of 3-6 developers, blending hands-on coding with mentorship and architectural decisions. Requires 5+ years' Python experience, 2+ years in team leadership, and expertise in Django/Flask & PostgreSQL. Enjoy hybrid work, private m...
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United Kingdom , London
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Xelix
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Lead Backend Engineer
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Lead the backend architecture for greenfield hospitality-tech projects in London. This senior role requires 7+ years' experience, expertise in Python, and designing scalable microservices. Shape technical strategy, mentor engineers, and build with cloud technologies for a global impact.
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United Kingdom , London
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95000.00 - 120000.00 GBP / Year
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Social Value Portal Ltd
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Lead Backend Engineer – Python/Django (Team Lead)
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Lead a team of 3-6 developers in this hybrid Python/Django role, blending hands-on coding with leadership. You'll build scalable REST APIs and drive architectural decisions for AI-powered finance software. Enjoy a dog-friendly London office, private medical cover, and 27+ days of annual leave.
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United Kingdom , London
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Xelix
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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.