17 of 17 Backend Developer Jobs in London

Senior Python Backend Developer - Python, Django Central London/Hybrid - one day in the office £75-85k + benefits Were seeking a topflight Senior Python Backend Developer with a strong software engineering background including 8-9+ years majoring in writing Backend applications using Python and Django (Rest Framework). This is a seriously … weighty, complex, technically challenging role; the successful Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. The Python Backend Developer will be joining a team of 45 at a world-class healthcare scaleup. With each integration of a new hospital group there is an … Proactively respond to analytics to ensure our products are robust and meet users needs Take technical ownership of areas of product Required: 8-9+ years of experience writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing More ❯

Backend Developer (Django) Location: United Kingdom (Hybrid/Remote) | Experience: 2–4 years | Full-time At Resivoo, a brand by Zonzoit Ltd , we're revolutionising how people discover and enjoy local dining. Our platform connects restaurants with nearby diners through smart, hyper-local technology that enhances profitability, convenience, and customer experience. We're growing fast and looking for … a Backend Developer (Django) who's passionate about building scalable systems, solving complex problems, and contributing to a product that's reshaping the dine-in landscape in the UK. What You'll Do Design, build, and maintain scalable backend APIs using Django. Develop and optimise database models and queries (PostgreSQL/MySQL). Integrate payment gateways and … third-party services . Implement event-driven architecture for high-performance systems. Ensure backend security, performance, and reliability . Collaborate with product and frontend teams to deliver end-to-end features. What We Need Proven expertise in Python & Django . Experience with REST API and GraphQL development. Strong understanding of database optimisation and authentication (JWT/OAuth2) . Knowledge More ❯

Senior Python Backend Developer - Python, Django Central London/Hybrid - one day in the office £75-85k + benefits Were seeking a topflight Senior Python Backend Developer with a strong software engineering background including 8-9+ years majoring in writing Backend applications using Python and Django (Rest Framework) click apply for full job More ❯

Contract Backend Developer – Node.js Avanti Recruitment is working with a fast-growing London-based technology business developing smart systems for the property and compliance sector. Their platform integrates hardware and software to provide real-time insights and automated reporting across multiple environments. They’re seeking a Backend Developer with strong Node.js and GraphQL experience to help More ❯

Senior Backend Python Developer (Cloud & Microservices) Salary: Up to £90,000 Location: Hybrid, London HQ Reporting to: Head of AI and Data Science Overview Our client is hiring a Senior Backend Python Developer to build and maintain scalable backend systems supporting AI and automation projects. The successful candidate will work on cloud-based microservice architectures … helping integrate AI systems and backend infrastructure within the organisation’s technology ecosystem. Key Responsibilities Design and develop high-quality, efficient backend systems using Python . Build and maintain microservices and RESTful APIs . Integrate backend systems with AI models and other internal/external services. Work within AWS or Azure environments for deployment and scaling. Collaborate … and product managers to build seamless data-driven applications. Implement best practices in CI/CD , unit testing , and system integration . Key Skills & Experience Proven experience as a Backend Python Developer , ideally within cloud environments. Solid understanding of microservice architecture and API development . Experience with AWS or Azure and containerisation (Docker, Kubernetes). Exposure to MLOps More ❯

Senior Python Backend Developer Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR25 £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 and More ❯

Role: Backend Software Developer Salary: £100,000 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 ❯

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 ❯

roles where your newly learned 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 Support We have been helping More ❯

A global leading Martec organisation is looking to add a talented Staff Software Engineer to their close-knit, back-end software developer community.The role will be hands-on as well as leading the team to shape the future backend systems. As a Staff Software Engineer, you'll lead backend architecture, scaling secure distributed systems for a growing … Tackle challenges in performance, fault tolerance, and data-heavy workloads while influencing product strategy.Requirements: Strong foundations in algorithms, data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/ More ❯

A global leading Martec organisation is looking to add a talented Staff Software Engineer to their close-knit, back-end software developer community. The role will be hands-on as well as leading the team to shape the future backend systems. As a Staff Software Engineer, you'll lead backend architecture, scaling secure distributed systems for a … challenges in performance, fault tolerance, and data-heavy workloads while influencing product strategy. Requirements: Strong foundations in algorithms, data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/ More ❯

A 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 skills. What You'll Do: Play a part in 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 ❯

Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly London HQ Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology . We're seeking a hands-on Chief Technology Officer (CTO) an exceptional technical leader who thrives on both strategic vision and … time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core More ❯

Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly | London HQ | Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology . We're seeking a hands-on Chief Technology Officer (CTO) — an exceptional technical leader who thrives on both strategic vision and … time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core More ❯

Fully Remote Award-Winning Agricultural Technology Software Company Competitive salary plus company share scheme Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly | London HQ | Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology .We're seeking a hands-on Chief Technology … time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core More ❯