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Backend Developer United Kingdom Jobs (Hybrid work)

11 Job Offers

Senior Backend Developer
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Senior Backend Developer sought for a hybrid role in London with a sustainable UK energy provider. You will build full-stack cloud apps using Python and AWS, adopting a serverless-first approach. Key requirements include expertise in RESTful APIs or GraphQL, Git, and TDD. This six-month contract ...
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United Kingdom , London
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Not provided
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Rullion
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Until further notice
Backend Python Developer – AWS (Energy Trading Platform)
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Backend Python Developer needed for a London-based energy trading firm to build and enhance a modern, AWS-powered post-trade platform. This contract role focuses on backend development for live intraday trading, position management, and P&L reporting. You will design scalable services, build APIs...
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United Kingdom , London
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Salary
700.00 - 900.00 GBP / Day
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Harrington Starr
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Until further notice
Backend Software Developer (Python)
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Backend Software Developer (Python) sought for a London AI startup. You will design high-performance systems using Python and FastAPI, handling real-time data. We need expertise in RESTful APIs, scalability, and a proactive mindset. Enjoy a £100k salary, hybrid work, and genuine ownership of cutt...
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United Kingdom , London
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100000.00 GBP / Year
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Hunter Bond
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Backend Developer
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Seeking a Senior Backend Developer in London to own and evolve a modern, cloud-based product. You need 4+ years of experience with Java/Kotlin, AWS, and databases like PostgreSQL or MongoDB. This role involves full-stack contributions, CI/CD ownership, and leveraging AI-assisted tools to improve ...
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United Kingdom , London
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70000.00 - 90000.00 GBP / Year
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Signify Technology
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BackEnd Technical Support Developer
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Backend Technical Support Developer role in London combining Node.js, React, TypeScript, and AWS. You’ll solve production issues, debug client problems, and collaborate with customer success teams. Requires 3+ years Node.js, strong JavaScript, REST API, SQL, and Git skills. Includes on-call bonus...
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United Kingdom , London
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50000.00 GBP / Year
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rmg digital
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Senior Python Backend Software Developer
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Join Xelix, a fast-growing AI scale-up, as a Senior Python Backend Developer. You will build robust, scalable solutions using Python, Django/Flask, and AWS in our London office (hybrid). We offer private medical cover, enhanced leave, and a dynamic environment focused on impact and growth.
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United Kingdom , London
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70000.00 - 95000.00 GBP / Year
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Xelix
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Python Software Developer - Backend
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Join our London team as a Python Backend Developer. You'll build robust, scalable solutions using Python, Django, and AWS, while collaborating on innovative features. We offer hybrid work, a dog-friendly office, and strong professional development support. Ideal for developers passionate about cl...
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United Kingdom , London
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60000.00 - 80000.00 GBP / Year
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Xelix
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Until further notice
Python Software Developer - Backend
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United Kingdom , London
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60000.00 - 80000.00 GBP / Year
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Xelix
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Until further notice
Senior Python Backend Software Developer
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Join Xelix, a fast-growing AI scale-up, as a Senior Python Backend Developer in London. You will build robust, scalable solutions using Python, Django/Flask, and AWS. Enjoy a hybrid role with great benefits, including private medical cover and a dog-friendly office. Help shape the future of finan...
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United Kingdom , London
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70000.00 - 95000.00 GBP / Year
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Xelix
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Backend Systems and Integrations Developer
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Join a leading fitness e-commerce brand in Liverpool as a Backend Systems and Integrations Developer. You will design and build scalable, cloud-native integrations between Magento and critical WMS/ERP systems. The role requires 5+ years in Go, C#, PHP, or Python, with strong SQL and API expertise...
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United Kingdom , Liverpool
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60000.00 - 75000.00 GBP / Year
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Broster Buchanan
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Senior Backend Software Developer - Python/Django
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Join Xelix, a fast-growing AI scale-up, as a Senior Backend Developer. You will build robust, scalable Python/Django solutions and REST APIs in a hybrid London role. Leverage your expertise in AWS, PostgreSQL, and CI/CD to shape the future of financial automation. Enjoy great benefits, including ...
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United Kingdom , London
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Salary
70000.00 - 95000.00 GBP / Year
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Xelix
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Until further notice

About the Backend Developer role

Are you a logical problem-solver passionate about building the robust systems that power our digital world? Your search for rewarding backend developer jobs begins with understanding this critical and in-demand profession. A Backend Developer is the architect of the server-side logic, databases, and application programming interfaces (APIs) that form the foundation of any web application, mobile app, or software service. While users interact with the sleek frontend interface, it is the backend developer who builds and maintains the complex engine, ensuring everything runs smoothly, securely, and efficiently behind the scenes.

Professionals in backend developer jobs are responsible for the core functionality of an application. Their typical day involves writing clean, scalable code to handle business logic, designing and managing databases (both relational like PostgreSQL and NoSQL like MongoDB), and developing secure and well-documented APIs that allow the frontend to communicate with the server. They build the very infrastructure that processes user requests, performs complex calculations, manages data storage and retrieval, and ensures the seamless flow of information. This role is fundamental to creating applications that are not only functional but also fast, reliable, and capable of handling millions of users.

Common responsibilities for backend developers extend beyond just writing code. They are deeply involved in system architecture, often designing and implementing microservices—a modern approach where an application is built as a suite of small, independent services. They focus on performance optimization, ensuring low latency and high throughput for data-heavy operations. Security is a paramount concern, requiring them to implement robust authentication, authorization, and data protection measures. Furthermore, backend developers are integral to the entire software development lifecycle, participating in system analysis, creating technical documentation, writing unit and integration tests, troubleshooting complex issues, and deploying applications using CI/CD pipelines and containerization tools like Docker and Kubernetes.

To succeed in backend developer jobs, a specific and robust skill set is required. Proficiency in one or more server-side programming languages is essential, with common choices being Java (often with the Spring Boot framework), Python (with Django or Flask), C#, Node.js, or Go. A strong grasp of database technologies, including both SQL and NoSQL principles, is non-negotiable. Understanding architectural patterns like microservices and concepts like RESTful API design, concurrent programming, and distributed systems is highly valued. Familiarity with cloud platforms (such as AWS, Azure, or GCP), version control with Git, and container orchestration is increasingly standard. Beyond technical prowess, successful backend developers possess exceptional analytical and problem-solving skills, a meticulous attention to detail, and the ability to collaborate effectively with frontend developers, product managers, and other stakeholders. If you are ready to build the digital backbone of tomorrow, explore the vast array of backend developer jobs available and launch a career at the heart of technology innovation.