1 to 25 of 31 Permanent Backend Developer Jobs in England

Senior Backend Developer Salary £56,312 - £65,697 (dependent on experience) Hybrid working Southampton A bout Ordnance Survey Ordnance Survey is the national mapping agency for Great Britain, providing world-class geospatial data and services that power innovation, support national infrastructure, and help people make better decisions every … edge technology to solve real-world problems-and we're looking for talented people to join our mission. About the role As a Senior Backend Developer, you'll take a leading role in designing, building and delivering scalable, high-performance backend systems that power our geospatial data ...

Backend Developer (Node.js/TypeScript) Crewe, Hybrid (Node.js, TypeScript, AWS, ECS, EC2, Lambda, S3, DynamoBD, Kinesis, SQS, SNS, Docker, Kubernetes, Git, Gitlab, CI/CD, PostgreSQL, MySQL, Mocha, Sinon) Backend Developer to join a fast-growing, tech driven client in Crewe. You’ll work … large-scale, cloud-based SaaS platform within a high growth area of the business. Contributing to the development of modern, scalable backend systems in a microservices-driven architecture. You will be designing, building and maintaining scalable and secure backend services using Node.JS and Typescript, contributing to complex SaaS ...

Backend Developer Location: Hybrid - London Package: Negotiable + Benefits We are seeking a skilled and motivated Backend Developer to work on our custom-built platform that is a custom-built online quote, bind and formal documentation issuance platform, that also offers a range of analytics … performance, and scalability. Troubleshoot and debug server issues, providing timely solutions. Implement security and data protection measures. About you: Extensive experience as a .NET Backend Developer or similar role. Proven high proficiency in .NET (C#) and SQL, including: Experience in ASP.NET, .NET Framework 4.8 and SQL Stored Procedures ...

Backend Developer (Node.js/TypeScript) Cheshire Based (Hybrid - 3 days) Ready to step up and make an impact? We’re looking for a mid-level Backend Developer to join a growing engineering team building a high-scale, cloud-based SaaS platform used at scale. This … wants more ownership, exposure to modern architecture, and real input into how things are built. What you’ll be doing Building and scaling backend services using Node.js & TypeScript Working on a microservices-based platform in AWS Contributing to system design and technical decisions Collaborating closely with engineers, product ...

Senior Backend Developer (Node.js/TypeScript) We’re looking for a Senior Backend Developer to join a growing tech team working on a large-scale SaaS platform built on modern microservices architecture. What you’ll do Build and scale backend services using Node.js & TypeScript Work ...

Role: Backend Developer (Core Java) We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate closely … small, agile team. This role plays a critical part in developing and enhancing a microservices-based platform that supports risk management and backend operations for both corporate and retail trading. You will also contribute to shaping the technical roadmap and improving the Software Development Life Cycle (SDLC). ...

Senior Backend Engineer with AI Expertise Company: Narwhal Labs (Narwhal Group Limited) Location: Bristol Employment Type: Full-time Salary: £70,000 - £90,000 About the Role We are seeking a highly skilled Senior Backend Engineer with expertise across multiple backend technologies to join our growing development team … working on our AI communications platform. In this role, you will architect, build, and maintain robust backend systems while also providing mentorship and technical leadership to a team of junior developers. A strong understanding of AI concepts, tools, and integrations is essential as we continue embedding intelligent features across ...

forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. About the Role We are looking for a Backend Developer with strong foundations in algorithms and data structures, ideally shaped by a background in competitive programming. You'll work on building scalable Back ...

Role: Java Backend Developer with Microservices Type: PERM Location: Burgess Hill, UK Working Model: Hybrid (3 days per week in office) Salary: 65K - 70K The Role: Build, troubleshoot, deploy, and scale high-quality software using distributed enterprise frameworks. Mandatory Skills: Up to 5 years of experience. Strong knowledge ...

Role: Java Backend Developer with Microservices Type: PERM Location: Burgess Hill, UK Working Model: Hybrid (3 days per week in office) Salary: 65K - 70K The Role: Build, troubleshoot, deploy, and scale high-quality software using distributed enterprise frameworks 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 ...

away from legacy, outsourced systems toward a modern, cloud-based architecture. This includes an ongoing migration to AWS and a broader effort to rebuild backend services for scalability, reliability, and performance. Historically, the platform has been constrained by technical debt, inconsistent engineering standards, and delivery challenges. A renewed leadership … focus is now in place to: Modernise backend architecture and infrastructure Improve engineering quality and development practices Increase delivery predictability and output Build a stronger, more experienced in-house engineering team The business operates at pace, with evolving priorities and a strong emphasis on ownership, accountability, and continuous improvement. ...

Salary: £70,000 - £80,000 We’re working with a forward-thinking technology-led organisation that’s looking to hire a Senior Back End Developer to join one of their high-performing engineering teams. This is a great opportunity for someone who is passionate about building scalable software, enjoys … mentoring others, and wants to play a key role in shaping backend architecture within a modern, agile environment. The Business places a strong emphasis on continuous improvement both technically and culturally and encourages engineers to explore new technologies, challenge existing ways of working, and contribute to the evolution ...

Use your Java and AWS knowledge to build secure, scalable cloud-based services for medical researchers London with hybrid working; to £90k DoE + options and benefits This company is developing an AWS-based platform ...

Backend/Infrastructure Engineer — London I’m working with a small, high-calibre Series A product company building developer-facing software used by millions globally. They’re hiring a Backend/Infrastructure Engineer to take ownership of the systems behind the product, improve release reliability, and help … scale the platform as they enter their next stage of growth. This is roughly 2/3 backend engineering and 1/3 platform/infrastructure — so ideal for someone who enjoys building production systems, but also cares about deployment, observability, CI/CD, and making engineering teams faster. ...

Description: We are looking for an experienced Java Developer to join our team and work on high-performance enterprise applications. The ideal candidate should have strong expertise in Java development, Spring Boot, Microservices, and Linux environments. Prior experience in Banking/Financial Services is must. Key Responsibilities: Design, develop ...

Description: As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will involve working with Oracle 19C databases and ensuring seamless SOAP/REST integration. Key Responsibilities: Develop … maintain backend systems using Java 17/21 and the Spring MVC framework. Manage and execute Java EE library migrations and middleware upgrades. Ensure efficient database management and operations with Oracle 19C. Implement and maintain SOAP/REST integrations to support system interoperability. Collaborate with cross-functional teams ...

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. ...

Back End Developer/Senior Back End Developer (Data) £50,000 – £84,000 Bristol | Hybrid (2 Days Per week) We're working with a Bristol-based SaaS business to find a Back End Developer to join their backend engineering team. They build B2B software used … collaborative team with good engineering practices and genuine autonomy for the people in it. As a Software Engineer you'll work across the backend stack, collaborating with product and design to ship well-engineered, maintainable solutions. Responsibilities as a Back End Developer: Build and maintain core backend ...

Job Title: Back End Engineer (Sitecore/.NET) Duration: Contract, start of June - End of 2026 Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: UK (Hybrid ...

Backend Engineer : Up to £650/day : Outside IR35 : Hybrid London We are looking for a Backend Engineer to join an established product and engineering team on an initial 3 month contract, with scope to extend. You will take ownership of the extension, improvement and maintenance … data feeds and maintenance of existing ones for commercial partners, delivering data that drives key business decisions. You will work closely with a Staff Backend Engineer and Head of Engineering. Key Requirements: Strong, demonstrable Go (Golang) development experience Kubernetes experience at scale in production environments Solid understanding of back ...

seeking a talented Java Backend Engineer to join a dynamic team. This role is focused on building high-performance, scalable software within a distributed enterprise environment. Location: Burgess Hill, UK (On-site 3 days per week is mandatory) Employment Type: Permanent/FTE The Role You will contribute ...

Back end Software Developer - Data Centres Remote - Working from home £70,000 - £90,000 Overview This role focuses on developing reliable, high-performance backend services and supporting the infrastructure they run on. You’ll work primarily with Python, contributing to API development, system design, and automation, while ensuring … everything is robust, maintainable, and production-ready. You’ll be part of a collaborative, remote-first engineering team, working across the full lifecycle of backend development—from design through to deployment and ongoing improvement. What You’ll Do Build & Scale Backend Services Develop and maintain backend services ...

Back End Developer (Mid) £50,000 – £65,000 Bristol | Hybrid (2 days per week) We're working with a Bristol-based SaaS business to find a Back End Developer to join their core product engineering team. They build B2B software used by financial services clients, and the work … spans backend services, APIs and frontend, with real ownership across the stack. It's a collaborative team with good engineering practices and room to grow. As a Software Engineer you'll work closely with product and design to deliver well-engineered features across a modern web application stack. Responsibilities ...

Searchability are partnered with a well-funded Series A startup building one of the most exciting collaborative canvas/whiteboard developer platforms in Europe. Their product enables companies to build rich multiplayer drawing, diagramming and infinite canvas experiences directly into their own applications, with customers including major global tech … brands. The business has raised over $10m in Series A funding and is scaling rapidly following strong developer adoption and product growth. They’re now looking for a Backend & Infrastructure Engineer to join their product-focused engineering team in London. This is a highly hands-on role focused ...