1 to 25 of 35 Remote Backend Developer Jobs in London

Backend Developer/Software Engineer (TypeScript Node.js) London/WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX … options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As a Backend Developer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and … Node backend systems but also with exposure to and occasional frontend work. You'll help to ensure best practices are maintained and participate in code reviews to maintain sound engineering practices and share knowledge with the team. Location/WFH: There's a remote first policy, with the caveat that you'll meet up with the team in London More ❯

Backend Developer Location: Hybrid - London Package: Negotiable + Benefits We are seeking a skilled and motivated Server-Side Developer to work on our Platform. It is a custom-built online quote, bind and formal documentation issuance platform, that also offers a range of analytics to assist with underwriting, portfolio analysis and product performance. You will be working … performance, and scalability. Troubleshoot and debug server issues, providing timely solutions. Implement security and data protection measures. Keep up to date with emerging trends, technologies, and best practices in backend development. About you: Experience as a Backend Developer or similar role. Proven high proficiency in ASP.NET and .NET (C#) and SQL. Experience with backend frameworks and More ❯

Backend Developer Location: Hybrid - London Package: Negotiable + Benefits We are seeking a skilled and motivated Server-Side Developer to work on our Platform. It is a custom-built online quote, bind and formal documentation issuance platform, that also offers a range of analytics to assist with underwriting, portfolio analysis and product performance. You will be working … performance, and scalability. Troubleshoot and debug server issues, providing timely solutions. Implement security and data protection measures. Keep up to date with emerging trends, technologies, and best practices in backend development. About you: Experience as a Backend Developer or similar role. Proven high proficiency in ASP.NET and .NET (C#) and SQL. Experience with backend frameworks and 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 Back … and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 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 Back … and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 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 Back … and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 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 Back … and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 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 Back … and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

Backend Developer - AI Focus | London | Up to £85k Are you a Backend Developer with exposure to working on AI systems, looking to join a London-based startup who are changing the way customers and service providers connect? Do you want to work in a team where innovation is a top priority? In this role you will … Build AI-driven backend services (search, natural language, recommendations) 🤖 Use LLM APIs & open-source tools to deploy AI features 🗃️ Design & optimise RAG pipelines with embeddings and vector databases 🌐 Develop agentic workflows and leverage knowledge graphs for smart automation What we're looking for: 🛠️ Backend dev with an AI focus 🚀 Comfortable building RAG pipelines & working with large datasets 🟩 Javascript More ❯

Backend Developer - AI Focus | London | Up to £85k Are you a Backend Developer with exposure to working on AI systems, looking to join a London-based startup who are changing the way customers and service providers connect? Do you want to work in a team where innovation is a top priority? In this role you will … Build AI-driven backend services (search, natural language, recommendations) 🤖 Use LLM APIs & open-source tools to deploy AI features 🗃️ Design & optimise RAG pipelines with embeddings and vector databases 🌐 Develop agentic workflows and leverage knowledge graphs for smart automation What we're looking for: 🛠️ Backend dev with an AI focus 🚀 Comfortable building RAG pipelines & working with large datasets 🟩 Javascript More ❯

Role: Backend Software Developer Salary: £90,000 P/A + Comps Location: London (Hybrid/Flexible working) Client: Start up/Scale Up Are you a Python expert ready to build cutting-edge systems powering real-world AI innovation? Join one of London's most exciting AI startups, where we're scaling fast and solving complex problems … at the intersection of technology, data, and intelligence. We're looking for a Backend Developer who thrives in dynamic environments - someone who loves clean code, scalable architecture, and being part of a team that's pushing boundaries. What you'll do Design, build, and optimize high-performance Back End systems in Python and FastAPI Develop and maintain Back More ❯

Backend Developer/Software Engineer (TypeScript Node.js) London/WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX More ❯

Job Title: BackEnd Technical Support Developer Location: London, UK Work Pattern: Hybrid – 3 days onsite, 2 working from home Salary: up to £50,000 per annum + on call bonus Job Position: Permanent Additional Info: This position does require you to be on call every 5th week (extra pay on top of your salary) We are looking for … a dedicated BackEnd Technical Support Developer to help handle production issues. This includes working with the company’s clients and customer success team to identify the source of a technical problem and then fixing those problems. This role covers a lot of technologies, from UI, React, system configuration, Node.js backend code, databases and AWS hosting. So this … is a great opportunity to learn and expand all those skills. What we’re looking for from a Back End Developer: The right candidate needs to be hungry to learn, a good problem solver and can prioritise what is important and get it done. It is very much a role that is a combination of a digital detection and More ❯

Job Title: BackEnd Technical Support Developer Location: London, UK Work Pattern: Hybrid – 3 days onsite, 2 working from home Salary: up to £50,000 per annum + on call bonus Job Position: Permanent Additional Info: This position does require you to be on call every 5th week (extra pay on top of your salary) We are looking for … a dedicated BackEnd Technical Support Developer to help handle production issues. This includes working with the company’s clients and customer success team to identify the source of a technical problem and then fixing those problems. This role covers a lot of technologies, from UI, React, system configuration, Node.js backend code, databases and AWS hosting. So this … is a great opportunity to learn and expand all those skills. What we’re looking for from a Back End Developer: The right candidate needs to be hungry to learn, a good problem solver and can prioritise what is important and get it done. It is very much a role that is a combination of a digital detection and More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being … in their London. It is a 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 a Server-less first approach … to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to resolving the complexities inherent in large-scale systems and extensive datasets. Foster close collaboration with our Product, Data More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being … in their London. It is a 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 a Server-less first approach … to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to resolving the complexities inherent in large-scale systems and extensive datasets. Foster close collaboration with our Product, Data More ❯

Backend Engineer (Mid/Senior) 💻 Stack: Node.js, Typescript/Javascript, PostgreSQL, RESTful APIs, GraphQL, AWS 🌐 Location: NW London, Hybrid 💰 The Package: £65,000 - £75,000 + generous holidays + work abroad allowance My client, a leading DTC e-commerce brand just got huge investment to scale it's digital team. You'll be joining at the perfect moment - established … the tech team. This role will sit within the eCommerce squad and you'll be working on business logic automation, payments and mitigating downtime incidents through scalable and secure backend development. 🛠️ Core Stack: Node.js for Backend development RESTful APIs & GraphQL AWS Cloud PostgreSQL React.js & Typescript 🏗️ What You'll Actually Be Doing: Architect and build resilient backend services … models, service-to-service communication patterns, and failure-tolerant operational logic. Establish clear technical foundations through well-documented patterns, maintainable code structures, and development practices that support consistent, scalable backend engineering. This is a fantastic opportunity for a mid-level Engineer looking to step up into a more Senior role, working alongside an exceptionally talented team. If that sounds More ❯

Backend Engineer (Mid/Senior) 💻 Stack: Node.js, Typescript/Javascript, PostgreSQL, RESTful APIs, GraphQL, AWS 🌐 Location: NW London, Hybrid 💰 The Package: £65,000 - £75,000 + generous holidays + work abroad allowance My client, a leading DTC e-commerce brand just got huge investment to scale it's digital team. You'll be joining at the perfect moment - established … the tech team. This role will sit within the eCommerce squad and you'll be working on business logic automation, payments and mitigating downtime incidents through scalable and secure backend development. 🛠️ Core Stack: Node.js for Backend development RESTful APIs & GraphQL AWS Cloud PostgreSQL React.js & Typescript 🏗️ What You'll Actually Be Doing: Architect and build resilient backend services … models, service-to-service communication patterns, and failure-tolerant operational logic. Establish clear technical foundations through well-documented patterns, maintainable code structures, and development practices that support consistent, scalable backend engineering. This is a fantastic opportunity for a mid-level Engineer looking to step up into a more Senior role, working alongside an exceptionally talented team. If that sounds More ❯

Backend Software Engineer – Python/FastAPI/Event Driven Architecture Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users to generate … functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation … functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Backend Software Engineer – Python/FastAPI/Event Driven Architecture More ❯

Backend Software Engineer – Python/FastAPI/Event Driven Architecture Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users to generate … functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation … functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Backend Software Engineer – Python/FastAPI/Event Driven Architecture More ❯

Senior Backend Software Engineer – London (Hybrid) | Equity + Competitive Salary Join a fast-growing AI startup transforming a trillion-pound industry through intelligent automation. We’re building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters. If you love solving deep technical problems, shaping architecture, and seeing … your code have a real-world impact, this is a chance to build something meaningful from the ground up. 💡 The Role We’re looking for a Senior Backend Engineer to take ownership of key backend services that power our AI-driven platform. You’ll work closely with product, frontend, and AI teams to design, build, and scale backend … ll join a small, high-calibre team where your ideas genuinely shape the direction of the product and the company. 🔧 What You’ll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design More ❯

Senior Backend Software Engineer – London (Hybrid) | Equity + Competitive Salary Join a fast-growing AI startup transforming a trillion-pound industry through intelligent automation. We’re building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters. If you love solving deep technical problems, shaping architecture, and seeing … your code have a real-world impact, this is a chance to build something meaningful from the ground up. 💡 The Role We’re looking for a Senior Backend Engineer to take ownership of key backend services that power our AI-driven platform. You’ll work closely with product, frontend, and AI teams to design, build, and scale backend … ll join a small, high-calibre team where your ideas genuinely shape the direction of the product and the company. 🔧 What You’ll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design More ❯

cutting-edge AI/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working (3 days onsite). Key Responsibilities Develop robust backend systems for Python-based web applications Integrate AI/ML components with data, infrastructure, and frontend systems Deliver high-quality, well-documented, and thoroughly tested code Monitor and enhance … performance of tools and services Collaborate across technical teams to build end-to-end data pipelines Skills Required Strong Python backend development experience (FastAPI, Flask, Django). Proven track record of delivering production-grade software at scale. Experience with Docker and containerisation. Familiarity with cloud deployment and troubleshooting cloud-related issues. Comfortable working in modern cloud-native environments with More ❯

who enjoys solving complex problems and building clean, efficient systems in the cloud, this role is for you. What You’ll Do Design and develop robust, scalable, and maintainable backend services. Contribute to architectural decisions and suggest new tools, frameworks, or best practices. Collaborate closely with cross-functional teams including Product, Design, and Delivery. Participate in code reviews, pair More ❯

who enjoys solving complex problems and building clean, efficient systems in the cloud, this role is for you. What You’ll Do Design and develop robust, scalable, and maintainable backend services. Contribute to architectural decisions and suggest new tools, frameworks, or best practices. Collaborate closely with cross-functional teams including Product, Design, and Delivery. Participate in code reviews, pair More ❯