11 of 11 Senior Backend Developer Jobs in Central London

Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote One of the most recognisable financial services companies in the UK is on the hunt for Backend Engineers. They are revolutionizing the way people manage their money and would love YOU to help them on their journey! You will be responsible for building scalable, high-performance … AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote One of the most recognisable financial services companies in the UK is on the hunt for Backend Engineers. They are revolutionizing the way people manage their money and would love YOU to help them on their journey! You will be responsible for building scalable, high-performance … AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote One of the most recognisable financial services companies in the UK is on the hunt for Backend Engineers. They are revolutionizing the way people manage their money and would love YOU to help them on their journey! You will be responsible for building scalable, high-performance … AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

Senior Backend Developer (Python) Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR35 £750 - £800 per day My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications that accelerate drug discovery and enable personalised therapies. The … ideal candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion for improving healthcare through technology is essential. The role involves integrating AI/ML components into scalable web applications, collaborating across … technical teams, and continuously improving software quality and performance. Key responsibilities Back end development for a Python web application Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services More ❯

Senior Backend Developer (Python) Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR35 £750 - £800 per day My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications that accelerate drug discovery and enable personalised therapies. The … ideal candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion for improving healthcare through technology is essential. The role involves integrating AI/ML components into scalable web applications, collaborating across … technical teams, and continuously improving software quality and performance. Key responsibilities Back end development for a Python web application Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services More ❯

Role: Senior Backend Engineer (Node, TypeScript, AI tooling) Location: Remote across the UK Salary: £80-110k We’re kicking off a project with a well-funded AI research and product company focused on building advanced tools for creative professionals. The team works on generative AI technologies that help people create images, video, and interactive content more efficiently. … creative tools. What you’ll do ✨ Build interactive, browser-based experiences powered by generative AI ✨ Design and implement API-driven features using Node + TypeScript ✨ Collaborate with ML and backend teams on real-time media + collaboration tools ✨ Ship high-quality code and improve performance, reliability, and scalability What we’re looking for ✔️ 4 years’ + experience as a … software engineer (backend focus) ✔️ Strong TypeScript ✔️ Architecting production-ready cloud systems ✔️ Hands-on experience building and integrating APIs ✔️ Comfortable with cloud concepts (storage, CDNs, queues, serverless) This is a chance to join a high-ownership team, ship user-facing features at scale, and work at the frontier of AI + creativity. 📩 Interested? Apply now or drop me a message More ❯

payment products, reduce fraud and identify innovative ways for them to tackle business challenges through their in-app, online and face-to-face payments. We are seeking a passionate Senior Backend Scala Developer to join our API Team. Your primary objective is to support and expand our new "Shodan" payment platform. This is built almost entirely in More ❯

payment products, reduce fraud and identify innovative ways for them to tackle business challenges through their in-app, online and face-to-face payments. We are seeking a passionate Senior Backend Scala Developer to join our API Team. Your primary objective is to support and expand our new "Shodan" payment platform. This is built almost entirely in More ❯

Senior Backend/Full Stack Ruby Developer – Profitable SaaS Scale-Up | Up to £85k + Excellent Benefits | Hybrid (London) I am working with a long term client of Opus, who is a profitable, investment-backed SaaS company with serious growth plans! We’re hiring Backend-focused Ruby Developers or Full Stack Ruby Developers with modern JavaScript More ❯

Senior Back End Developer/Engineer (TypeScript Node.js) Remote UK to £80k Are you a senior, hands-on Back End Developer looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming and luxury fashion. … As a Senior Back End Developer you'll join the team as they scale the product to support millions of users. You'll design and deliver high-quality, maintainable backend code and features using TypeScript and Node.js that is aligned with established codebase architectural standards and covered by tests as well as supporting backend system performance … design, implement and extend robust APIs and microservices supporting gameplay, user management, platform and content management systems, collaborating with product and game teams to ensure alignment of features with backend architecture and with DevOps to ensure uptime, observability and deployment reliability. This is a senior role where you'll take ownership of complex systems and proactively address potential More ❯

Join a top-tier London consultancy partnering with a major insurance client to develop innovative analytics and actuarial solutions. Were looking for an experienced backend software engineer to take a leading role in the evolution of a cutting-edge internal platform used by actuaries and data scientists across the business. KeyResponsibilities Leadfeaturedevelopmentonahigh-impactanalyticsplatform,withafocusonperformance,scalability,andlong-termmaintainability. Bridgeandoptimisetheintegrationbetween C# More ❯