1 to 25 of 29 Backend Developer Jobs in London

Robert Half Technology are assisting UK's market leading media organisation to recruit a Backend Developer on a 6-12 month contract basis We are looking for a talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple programming languages … technologies. This is a generalist engineering role suited to someone who values adaptability, enjoys learning new tools, and can contribute across a variety of backend systems and services. You'll work closely with product, data, infrastructure, and frontend teams to design, build, and maintain scalable applications that power critical ...

Senior Java Backend Developer East London & Essex Border, UK | £590 per day (Inside IR35 via Umbrella) | 4 Days per Week On Site We are partnering with the original line-assembly automotive manufacturer and are seeking an experienced Senior Java Backend Developer to join a small, Agile … contributing to a positive team environment. Essential Skills & Experience Excellent communication skills with a collaborative approach to delivering high-quality products. Strong Java backend development experience. Recent hands-on experience with OAuth 2.0 , including customising identity workflows. Ability to lead technical discussions, mentor team members, and explain complex solutions ...

Senior Java Backend Developer East London & Essex Border, UK £590 per day (Inside IR35 via Umbrella) 4 Days per Week On Site We are partnering with the original line-assembly automotive manufacturer and are seeking an experienced Senior Java Backend Developer to join a small, Agile ...

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 ...

Integration Developer (Backend + DevOps Focus) Location: Fully Remote Pay: £550-£600 per day (Outside IR35) Duration: Initial 6-month contract (with strong extension potential) The Role We're supporting a leading UK financial services organisation on a new platform build and they're looking for an Integration … Developer with a strong DevOps background. This is a developer-first role with a significant DevOps leaning, ideal for someone who enjoys building backend services ( TypeScript/Node.js on AWS) while owning how code is deployed, automated and operated at scale. You'll play a key role ...

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 Engineer (Node.js & Typescript) London | Hybrid Working £80-95k+ benefits We are working with a scaling computer vision software engineering company with a first of its kind product. They are looking for a Backend Engineer (Node.js, Typescript) to join its development team. You'll be involved … building and improving backend systems that power enterprise-grade applications used by customers across complex technical environments. This role is suited to someone who enjoys solving challenging engineering problems, writing clean and maintainable code, and working within a collaborative product-focused team. What you'll be doing: Your ...

Role: Java Backend Developer with Data Platform Type: 6 Months Contract Location: London, UK (Fully REMOTE) Working Model: Fully REMOTE Payrate: £450 - £550 per Day on PAYE £530 - £630 per Day on RUPAYE £650 - £750 per Day on Inside IR35 via Umbrella The Role: Join our Data Infrastructure ...

Backend Java Developer - Circa £540 per day inside ir35 - Remote with occasional travel to Croydon - 3-6 months Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. My client is a global leading consultancy. They … hunt for a Java Developer to join a central government client of theirs. Experience of Java: Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. Experience of containerisation using Docker or Kubernetes Experience of Continuous Integration ...

Backend Python Developer – AWS (Energy Trading Platform) Contract - London (Hybrid – 3 days onsite) £700 - £900 per day Inside IR35 We’re working with a leading energy trading organisation that’s looking to hire a Backend Python Developer to join their London team , working on a modern … based post-trade platform. This is a hands-on contract role focused on backend development, supporting live intraday trading, position management and P&L reporting for a front-office energy trading environment. You’ll be part of a fast-moving engineering team building and enhancing business-critical systems used ...

Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC) Location: London, Croydon (Remote, with occasional, infrequent office days) Job Description: Experience of Java Experience ...

Backend Java Developer - Circa £540 per day inside ir35 - Remote with occasional travel to Croydon - 3-6 months Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. My client is a global leading consultancy. They … hunt for a Java Developer to join a central government client of theirs click apply for full job details ...

Senior Backend Developer (Java | Financial Markets Platform) Locatio n: London, UK Industr y: Investment Banking Work patter n: Hybrid (2/3 days onsite) About the Role We are looking for a Senior Backend Develop er to join a global engineering team building a cutting-edge financial … play a key role in delivering scalable, low-latency solutions in a fast-moving environment. Key Responsibilities Design, develop, and deliver high-quality backend solutions from concept to production. Build and enhan ce real-time, event-driven applications. Collaborate with architects, product owners, and global engineering teams. Break down ...

Senior Backend Python Developer 📍 Fully Remote (UK) 💰 £55,000–£75,000 We're working with a growing AI and technology consultancy that's looking for a Senior Backend Python Developer to play a key role in shaping its technical future. This is a hands-on backend … founders and gradually take ownership of responsibilities currently managed by the technical leadership team. What You'll Be Doing Designing and developing scalable backend systems using Python Building APIs, integrations and enterprise-grade software solutions Developing cloud-native applications within Azure environments Contributing to architecture and technical decision-making ...

Backend Java Developer + 6 month initial contrac+t + Fully remote - occasional office visit + SC Cleared + £530 per day Inside IR35 Key Skills: + Spring Framework + Docker/Kubernetes + SC Cleared Java Software Engineer We are looking for a skilled Java Software Engineer ...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role … 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 ...

Lead Backend Engineer | Node.js, TypeScript, Microservices, APIs, Event-Driven Architecture, AI | London | Up to 130k salary + equity This is an opportunity to join a fast-scaling AI startup building an AI operating system for property management, automating up to 80-90% of repetitive workflows across compliance, maintenance … strong early traction and growing demand, they are building toward becoming a category-defining platform in a multi-billion-pound industry. As a Lead Backend Engineer, you'll take ownership of the backend architecture, APIs, and microservices that power an AI assistant operating in real-time production environments. ...

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 ...

Backend Engineer – AI Systems London (Remote) AI products are only as good as the systems behind them. This is an opportunity to join a well-funded AI scale-up building technology that moves beyond simple chatbot interactions. The product is focused on solving real-world problems through intelligent automation … systems that users can genuinely depend on. Backed by significant investment and led by an ambitious engineering team, the company is now looking for Backend Engineers to help build the infrastructure that powers every AI interaction across its platform. If you're excited by distributed systems, production ...

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 ...

Senior Cloud Engineer - Google Cloud -Gaming- £80k My client is seeking a highly skilled Senior Cloud Developer to guide the evolution of live service architecture and spearhead the development of internal tools and APIs. You will not be working on gameplay logic; instead, you will build the critical infrastructure … help us optimize these services, establish robust DEV/PROD environments, and enforce best practices across the engineering department as we scale. Responsibilities Backend Engineering: Design, build, and optimize scalable serverless microservices and APIs using Node.js (Javascript/TypeScript) on GCP (Cloud Run, Cloud Functions). Security & Authentication: Take ...

Backend Engineer - Java/Spring Boot £450 - £500 Outside IR35/6 Month Contract London - Hybrid - 1/2 Days Onsite Our client are looking for a Backend Engineer to join a team building scalable, customer-facing digital products. The role focuses on developing Java/Spring Boot … collaborating closely with frontend engineers who are integrating booking and appointment functionality. Key Requirements: Strong commercial experience with Java and Spring Boot Experience integrating backend services with third-party platforms and APIs Demonstrable experience working on high-availability, high-traffic applications ...

You get to build something from scratch, and the people you build it for sit right next to you. This is a greenfield project. No legacy codebase to wrestle with, no inherited technical debt to ...

Lead Backend Engineer Node.js, TypeScript, Microservices, APIs, Event-Driven Architecture, AI London Up to 130k salary + equity This is an opportunity to join a fast-scaling AI startup building an AI operating system for property management, automating up to 80-90% of repetitive workflows across compliance, maintenance ...

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 ...