18 of 18 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 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 ...

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 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 click apply for full job details ...

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. Chanllege 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 ...

Senior Backend Engineer - API, Python, Nextjs, Node, AI, Workflow Automation I am seeking a Senior Backend Engineer who thrives on solving complex operational challenges at scale. This isn't a feature factory role, it's about designing the Back End systems that automate workflows, improve reliability, and enable … allowing thousands of customer interactions and internal workflows to run accurately, reliably, and with minimal manual intervention. What You'll Build As a Senior Backend Engineer, you'll own the design and delivery of services that sit at the heart of our operational platform. Design and build scalable Back ...

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 ...

Senior Developer, Back End, API, .Net SQL, NW London to £80K (office based role) A Senior Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems … developed in house by their small dynamic team of tech professionals. Due to growth a Senior Developer is required with expertise in .NET, C#/VB, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps ...

ideas and approaches. Outside of work, they’re parents, gamers, bookworms, adrenaline junkies, and so much more. Your mission As a Senior Backend Engineer working in the Developer Experience team, you’ll take on a challenging role in collaborating with product managers, stakeholders, and fellow engineers to build … underlying systems are efficient, robust, and extendable. You'll contribute to architectural decisions, and drive technical excellence across the stack with emphasis on the Backend at scale. You'll contribute to the evolution of our platform, ensuring efficient data structures, clear API interfaces, building and evolving developer tools ...

Responsibilities Build and scale backend platforms that power AI agents and MCP servers across Spotify Design reliable infrastructure for orchestration, lifecycle management, monitoring, and deployment of AI-powered systems Define platform standards, tooling, and best practices that support secure, scalable, and high-quality agent development Develop evaluation frameworks including … systems Improve observability through monitoring, logging, tracing, and performance analysis across distributed systems Build APIs, SDKs, templates, and self-service tools that improve the developer experience for teams building with AI Partner with engineers and cross-functional teams across Spotify to align on architecture, platform capabilities, and operational excellence ...

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 ...

Australia. The platform helps insurers, loss adjusters and contractors assess damage, generate estimates and produce structured reports. The role A hands-on backend engineering seat. Most of the week is spent building, reviewing and operating production code. There is a clear path to broader technical ownership (architecture leadership, mentoring ...

Australia. The platform helps insurers, loss adjusters and contractors assess damage, generate estimates and produce structured reports. The role A hands-on backend engineering seat. Most of the week is spent building, reviewing and operating production code. There is a clear path to broader technical ownership (architecture leadership, mentoring ...

Australia. The platform helps insurers, loss adjusters and contractors assess damage, generate estimates and produce structured reports. The role A hands-on backend engineering seat click apply for full job details ...