Backend Developer Jobs in United Kingdom

BLP Digital’s Backend Engineering team builds AI‑driven ERP automation for Fortune 500 clients. The Senior Backend Developer designs scalable services, mentors peers, and shapes product architecture across a distributed cloud stack.

Principal Backend Engineer leading Java architecture for global financial platforms. Drives secure, scalable microservices on AWS, mentors teams, champions engineering excellence, and shapes enterprise strategy.

The FollowScores team at bet365 builds the technology behind its popular football scores app, scaling the platform to serve millions of fans with real-time updates. As a Backend Developer in Stoke-on-Trent, you will build high-performance Golang microservices and manage systems delivering data via web sockets and REST APIs.

Digital Transformation Team builds enterprise-grade digital experiences using Adobe Experience Manager. The Senior AEM Backend Developer designs, develops and maintains scalable AEM solutions, creates custom components, services and integrations, and ensures high performance and code quality.

Backend Java Developer with deep expertise in Java 17/21, Spring, JDBC, and SQL parsing. Builds deterministic policy engines, data‑governance services, and high‑throughput pipelines for a Data Fabric platform.

Waracle's digital technology consultancy drives intelligent product innovation for ambitious clients. As a Principal Backend Developer you will lead architecture design, cloud‑native strategy and data solutions across multiple squads, mentor senior engineers and shape technical standards.

Waracle Digital Technology Consultancy, a world‑class digital transformation partner, builds intelligent digital products and services for ambitious clients. As a Senior Backend Developer you will design and deliver robust .NET C# backend subsystems, champion code quality, security and mentor junior engineers while translating technical choices for clients.

Engineering team at Yapily builds a secure, scalable open banking platform that powers leading companies. The Senior Backend Developer designs and implements high‑performance Java/Spring microservices, integrates AI coding agents to boost developer velocity, and collaborates with product and support to resolve critical issues.

The role is part of the Accounting team at Subcompany1, focusing on building and maintaining backend services using PHP. The developer will design APIs, integrate with databases, and ensure high performance and reliability of financial applications. Based in London with an on-site work model.

The FollowScores team at bet365 builds technology for its popular football scores app, scaling the platform to serve millions of users with real-time updates. As a Backend Developer, you will build high-performance Golang microservices and manage systems delivering data via web sockets and REST APIs.

Turnblock.io backend team builds modular services for a tokenization platform. The Backend Developer (NodeJS) designs, implements, and maintains NodeJS/Express APIs, integrates third‑party RESTful services, and collaborates with frontend and blockchain engineers to deliver scalable products.

Blink Tech's backend engineering team builds and scales core services for its platform. The Senior Backend Developer designs, develops, and optimizes Ruby on Rails applications, mentors junior engineers, and collaborates with cross‑functional teams to deliver high‑performance APIs.

Palantir seeks a Backend Software Engineer to build scalable, high‑performance services that power data‑driven decision making. The engineer will design and maintain distributed systems, craft robust APIs, and collaborate with cross‑functional teams to deliver seamless user experiences.

Semiconductor Manufacturing Team at Lumentum develops advanced thin‑film and metal deposition processes for photonic devices. The Senior Process Development Engineer (Backend) leads new process creation, qualification and continuous improvement across backend wafer processing, leveraging SPC, Six Sigma and Lean methodologies.

OrganOx is a commercial-stage organ technology company, part of the Terumo Group, pioneering normothermic machine perfusion (NMP) with its metra® platform to improve outcomes for patients with organ failure. The Backend Developer is a hands-on role within the Digital team, designing, developing, testing, and maintaining secure cloud services, APIs, databases, and Microsoft Azure cloud-native solutions that underpin OrganOx digital products and directly impact clinical outcomes.

Web Development team at Total Security builds and maintains the websites, customer portals, and APIs that power its security products. The Senior Backend Developer converts complex problems into robust solutions, researches new technologies, defines best practices, and mentors other engineers while collaborating across departments.

Token Factory at Nebius builds a next‑generation platform that lets companies seamlessly integrate AI into products and workflows. The senior backend engineer designs and scales distributed systems in Go and Python, ensuring high‑performance inference and reliability across cloud infrastructure.

BLP Digital is redefining ERP automation with agentic AI, building AI agents that automate finance, procurement, logistics, and sales for large enterprises. The Platform Team owns shared services, APIs, the data access layer, and the component and design system.

Methods Business and Digital Technology Limited builds end-to-end business and technical solutions for public and private sector clients. The Backend Java Developer will develop and enhance Market Risk applications, shape tooling for risk management, and work within an Agile squad applying DevOps practices.

TransPerfect seeks a Backend Developer (.NET C#) to join its global TechOps team in London. The role focuses on building scalable, secure backend services and APIs for web and mobile applications.