12 of 12 Backend Developer Jobs in London

Backend Developer (Contract) Start Date: ASAP Contract Length: 12 months Rate: Up to £522 per day inside IR35. Location: Mostly remote, with occasional travel to Croydon Clearance: SC Clearance (existing clearance preferred but not essential) About the Role We're looking for an experienced Backend Developer to join a high-impact project delivering scalable, reliable backend services. You'll work with modern Java-based technologies in a collaborative, delivery-focused environment, contributing to systems that are critical, secure, and built to scale. This is a contract role offering long-term stability, flexibility through remote ...

Senior Backend Developer 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Start date: January 2026 Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python … full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt ...

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance … work on large-scale systems that support critical national infrastructure. This is an excellent opportunity for a seasoned backend engineer with deep expertise in Node.js and TypeScript, who enjoys architecting scalable solutions and working with modern cloud technologies. You'll be responsible for designing and building high-performance backend ...

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance ...

Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up that’s trusted … funding, and scaling aggressively worldwide, they’re on a mission to reshape how organisations stay ahead of real-world cyber threats. As a Senior Backend Engineer , you’ll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions ...

Python Developer Reliability Join a leading global investment management firm at the forefront of technology innovation. Were searching for a talented Python Engineer to join our Risk & Market Access division. At our firm, we harness a diverse portfolio of systematic and quantitative strategies, striving to deliver high-quality, uncorrelated ...

Python Developer Reliability Join a leading global investment management firm at the forefront of technology innovation. Were searching for a talented Python Engineer to join our Risk & Market Access division. At our firm, we harness a diverse portfolio of systematic and quantitative strategies, striving to deliver high-quality, uncorrelated ...

skills can be applied meaning a vast array of opportunities are now available to you. Examples of some of these are listed below: - Junior Developer Website Support Developer Junior Web Developer Content Editor Wordpress Developer Junior Software Developer Junior Front or Back End Development Development ...

Salary: £45,000 - £55,000 (Dependent on experience) Work Week: 35 hours, full-time About The Role INDEZ is looking for a skilled Magento Developer to join our compact, high-performance team. We are a Google Premier Partner and the organisers of the national Ecommerce Scotland conference We manage … logic. What You'll Do Develop & Optimise: Develop, maintain, and proactively optimise Magento 2 stores for a diverse client base. Complex Troubleshooting: Troubleshoot complex backend issues and integrate third-party systems (ERPs, Payment Gateways). Architectural Collaboration: Collaborate with the CTO on architectural decisions and performance optimizations. Quality Control ...

leading IT Consultancy is seeking a Python AWS Backend Engineer Developer on a contract basis. You will be needed to work onsite in London 2 days a week. Please DO NOT apply unless you can commit to this. We are looking for candidates with exceptionally strong Python coding ...

Senior Software Engineer Location: London (x3 days a week onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and ...

Back-end Java Developer – London Atrium EMEA is looking for several Back end Developers to support a London based client. You will be instrumental in designing, developing and maintaining the back-end of complex microservices architecture. Your expertise in Java Microservice development will play a pivotal role in ensuring … CosmosDB, MongoDB). REST API, HTTP. Git, CI/CD Click Apply now/Contact Lianne to be considered for the Back-end Java Developer – London role ...