13 of 13 Backend Developer Jobs in London

Backend Developer Location: Heathrow Hours: 9am-5:30pm Salary: £30,000 - £40,000 Job Overview The Digital Promotion (Backend) Developer is based at Head Office, London Heathrow, and reports directly to the Digital Promotion Manager. The role is responsible for the design, development, and maintenance … software solutions that support the company's digital operations and internal business systems. Working closely with the IT Analyst and business stakeholders, the Developer builds reliable, scalable applications and automation workflows that drive operational efficiency across the organisation. The role requires strong technical skills across Python, JavaScript ...

Backend Python Developer (Azure AI) Location: Remote/Hybrid Type: Full-time Our client is a fast-growing consulting business building an AI-driven platform on native Microsoft Azure services. They are looking for a strong Backend Python Developer to join their team and play … work in a lean, high-impact environment where speed, quality, and innovation matter. The Role The successful candidate will: Design, build, and maintain backend services in Python , writing clean, maintainable, production-grade code. Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure ...

Role: Backend Software Developer Client: Start up/Scale Up Compensation: £100,000 P/A + Comps Location: London (Hybrid/Flexible working) Overview 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. ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … full-time role, 37 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 Engineer Location: London Full Time - 40 hours pw Rate: £700 - £800 Duration: 6 months Hybrid - 2-3 days in London offer OR 100% remote Work supporting our new generation of games. You will challenge and refine our way of working with internal technology. YOUR ROLE … Java Backend Developer you will be a part of a team with the mission to build and maintain technology to support the studio in creating our new games. This includes integrating with existing tech, developing new creative solutions for our games, investigating problems reported by the game teams ...

Node.JS Backend Developer Location : London Role Type: Permanent Work Setup : Hybrid - 3 days in the office Who We Are Vanguard is a global investment firm known for low-cost funds and ETFs, helping investors achieve long-term financial goals with transparent, disciplined strategies. What you'll do Develop ...

Title: Node.js Backend Developer Salary: up to £80,000 + share options Location: Fully remote (UK) Sector: Cybersecurity SaaS We’re supporting a high-growth cyber SaaS scale-up on the hire of a Node.js Backend Developer to own production APIs and serverless microservices. ...

Backend Python Developer (AI) - Remote - UK - excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience Strong commercial experience in Python backend development. Solid back-end Python experience (clean coding) Experience building APIs and working with cloud-native architectures. Good understanding … stack ( AI Foundry , AI Search , Cosmos DB , AKS ). Interest in experimenting with new AI frameworks and tools. Role Design, build, and maintain backend services in Python, writing clean, maintainable, production-grade code. Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure ...

seeking a Remote Senior Backend Java Developer. A hands-on role in modernising our core platform. This individual will be help in driving the migration away from Legacy systems into, cloud-native architectures, and working closely with your team to acheiuve these goals. This is new role looking … SQS. *Own and evolve containerised deployment pipelines using Docker and CI/CD principles. Challenge Designs and architectural decisions Essential Skills & Experience Backend & Microservices *Proficiency in Java with a good understanding of microservices architecture. *Experience with Spring Boot, Spring Data, GraphQL JPA, and Hibernate. *Good knowledge of message brokers ...

systems that process high volumes of transactions in real time. Although the team primarily develops in C#, they are very open to experienced Java backend engineers looking to transition into .NET. What you'll be doing Building high performance backend trading applications Designing scalable distributed systems Developing APIs … backend services Working closely with traders and front office stakeholders Contributing to architecture and technical design Modernising cloud based infrastructure Working across the full software development lifecycle What they\'re looking for Strong commercial C# or Java experience Trading systems experience in any asset class Front office technology experience ...

working closely as a team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices, including: Mob programming as a primary way of working Test‐driven development (TDD) Continuous refactoring ...

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 … 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 ...

remediation, advancing AI from assisted analysis toward closed-loop resolution; Architect and optimize large-scale distributed systems to continuously improve throughput, reliability, observability, and developer experience. Work closely with engineering, security, infrastructure, and AI business teams to understand real-world requirements and drive complex projects from design to adoption … Minimum Qualifications: Bachelor's degree or higher in Computer Science or a related field, with experience in designing, building, and continuously evolving large-scale backend systems; Proficiency in one or more programming languages, such as Go, Java, C++, Python, or Rust, with strong computer science fundamentals, sound coding practices ...