23 of 23 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 7+ years majoring in writing Backend applications using Python … 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. DevOps expertise is strongly advantageous. The Python Backend Developer will

Senior Python Backend Developer Central London - one day a week in the office £75-85k + benefits We’re seeking a topflight Senior Python Backend Developer with a strong software engineering background including 7+ years majoring in writing Backend applications using Python and Django … Rest Framework). This is a seriously weighty, complex, technically challenging role; the successful Python Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. DevOps expertise is strongly advantageous. The backend Python Developer will

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

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 build and refine APIs powering multiple applications (web and mobile). You’ll work within a small, focused team, supporting new product features and data integrations. Tech Stack: Node.js (essential) GraphQL (essential) TypeScript Experience designing and maintaining scalable APIs

high-impact tech business with the stability of a private equity-backed global partner. Scope of Role We are looking for a Senior Backend Developer with deep C#/.NET expertise (and Java experience preferred) to join our Digital experience monitoring (DEM) and Analytics Platform. Reporting … materialise observability data for use by visualisation, integration, analytics and other domain-focused applications. This is a hands-on role suited to a developer who can, integrate multiple platforms end-to-end, and collaborate across multiple teams. We are strengthening our core platform in anticipation of wider customer adoption

Join Games Inc. as a Senior Backend Developer to build and maintain server-side systems, game engines, and APIs for casino games. Requires strong Java skills and a passion for iGaming. About the company: Games Inc. is a long-established game studio with over 10 years of experience … scalable tech, the studio is evolving into a globally recognised supplier. What You Will Do: We are seeking a passionate and experienced Senior Backend Developer, responsible for building the Server-side foundations of new and exciting Casino gaming projects. An ideal candidate will stay excited to take

Join Games Inc. as a Senior Backend Developer to build and maintain server-side systems, game engines, and APIs for casino games. Requires strong Java skills and a passion for iGaming. About the company: Games Inc. is a long-established game studio with over 10 years of experience … scalable tech, the studio is evolving into a globally recognised supplier. What You Will Do: We are seeking a passionate and experienced Senior Backend Developer, responsible for building the Server-side foundations of new and exciting Casino gaming projects. An ideal candidate will stay excited to take

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. … 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

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

ethical AI and privacy (GDPR compliance) make it a user‐friendly yet enterprise‐grade solution . About the Role We are looking for a Backend Developer who can independently manage, maintain, and evolve Fogsphere’s microservices codebase and proprietary libraries. You will be responsible for implementing new product … features, maintaining and writing database migration scripts, identifying and fixing bugs autonomously, and ensuring high-quality, reliable backend services across our platform. This role requires strong ownership, hands-on problem-solving, and the ability to work within a distributed, cloud-native environme nt. Key Responsibilities Develop, maintain, and optimize

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 … 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

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. … 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

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. … 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/Lead Backend Web Developer – Digital Experience Projects £60,000 – £65,000 Hybrid – London I’m currently partnered with a leading digital experience agency who are looking to bring in a Senior or Lead Backend Web Developer to join their engineering team. This role … engineering culture where you can take real ownership, work on modern digital platforms, and influence how solutions are delivered. If you enjoy combining deep backend engineering with occasional frontend work and client-facing responsibility, this is a fantastic next step. Interested? I’m shortlisting immediately - if you’d like

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

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 … 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

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 customer base. Set engineering standards, mentor engineers, and collaborate across teams to deliver scalable features. 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

Key Responsibilities AEM Development: Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and the Sling

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

advocating for progression of our capability on exciting frontiers such as Machine Learning and Generative AI. Specifically, You Will Design and implement efficient, scalable backend services and APIs using TypeScript and modern architectural patterns. Develop and maintain database schemas and data models, supporting both SQL and NoSQL systems. Write … Foster a culture of inclusion and engineering excellence, mentoring others and promoting collaboration, diversity, and well-being. What You’ll Bring Proven experience in backend development using TypeScript, with a strong grasp of scalable API design. Hands-on expertise with AWS, including services such as API Gateway, Lambda, AppSync

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 … 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

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 … 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

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 … 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