1 to 25 of 32 Backend Developer Jobs in the UK

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 ...

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 Derry/Hybrid At a Glance Seasoned Backend Developer with strong Node.js and TypeScript skills Real-time systems experience: WebSockets, pub/sub, Redis Comfortable with AWS infrastructure and networking fundamentals Joining a fast-scaling product company with a global ambition and genuine ownership … exactly the right moment and shape the engineering culture as the company scales. What Youll Be Doing Designing, building, enhancing, and maintaining scalable backend services and APIs Leading architectural decisions that support rapid growth and increased user demand Working with real-time communication systems, including WebSockets and Managing Redis ...

Senior Backend Developer (Node.js/TypeScript) Belfast/Hybrid At a Glance 5+ years of back-end engineering experience, with at least 3 years in Node.js Strong TypeScript skills and a deep understanding of modern JavaScript (ES6+) Proven track record designing and building scalable APIs and microservices Cloud … approach to hiring, prioritising people who bring something new to the team, not just technical skills. What You'll Be Doing As a Senior Backend Developer, you will design, build, and optimise high-quality server-side applications and APIs that power complex digital experiences. Working closely with front ...

Senior Backend Developer Derry/Hybrid The Opportunity We're partnering with an ambitious product technology company entering a significant growth phase. With plans to scale internationally, they're looking for a Senior Backend Developer to help build and evolve the core platform that underpins their … working in a fast-paced product environment, this role offers the chance to make a real impact. The Role You'll take ownership of backend services and platform architecture, helping to design and deliver highly scalable systems that support real-time data processing, integrations and cloud-native applications. Working ...

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 Developer Location: Nottinghamshire Working Arrangement: Remote with quarterly visits Salary: Up to £80k Imagine writing software that helps clinicians and researchers work more effectively, supports the interpretation of medical images, and contributes to advancements in patient care. We're looking for a Backend Software Developer … joining a team where engineers are trusted to make decisions, contribute ideas, and shape the future direction of the platform. The work is primarily backend-focused, centred around Golang and modern cloud-based services. You'll help evolve a platform that continues to expand into new clinical areas, supporting ...

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 ...

Senior Backend Developer (Python/Azure) 550 per day INSIDE IR35 6 months UK-based - once a week in London Role Hands-on backend developer building and integrating Python-based services within a secure, enterprise environment. Focus on API development, system integration, and reliable delivery. … Responsibilities Build backend services using Python (FastAPI) Develop APIs and integrate across disconnected systems Deploy solutions via Azure Function Apps Implement CI/CD pipelines (GitHub) Write and optimise SQL queries Contribute to architecture and secure design Clarify requirements, identify gaps, and shape solutions Support delivery and manage client ...

Senior Backend Developer (Python/Azure) 550 per day INSIDE IR35 6 months UK-based - once a week in London Role Hands-on backend developer building and integrating Python-based services within a secure, enterprise environment. Focus on API development, system integration, and reliable delivery. … Responsibilities Build backend services using Python (FastAPI) Develop APIs and integrate across disconnected systems Deploy solutions via Azure Function Apps Implement CI/CD pipelines (GitHub) Write and optimise SQL queries Contribute to architecture and secure design Clarify requirements, identify gaps, and shape solutions Support delivery and manage client ...

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 ...

Location: London (Hybrid) Type: Permanent Rate/Salary: Competitive Role Overview A leading financial organisation is seeking a Backend Java Developer to design and build robust backend services and applications within a high-availability, performance-critical environment. Youll work on modern Java services and microservices, delivering reliable … hybrid role based in London, with an expectation to attend the office three days per week. Key Responsibilities Design, develop and maintain backend services using modern Java (Java 17+), following secure coding and clean architecture principles. Build and evolve microservices and RESTful APIs to support scalable and resilient platform ...

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 ...

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 ...

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. ...

Senior Backend Engineer (PHP) - Fareham - £70k + bonus and benefits (office based for the first 3 months and then hybrid thereafter) Tech: OOP, PHP, MySQL, Git Focus: TDD, Agile, systems optimisation & Greenfield development Bonus: Kubernetes, AWS/GCP, Docker An exciting new opportunity for a Senior Backend Engineer ...

Senior Backend Engineer (PHP) - Fareham - £70k + bonus and benefits (office based for the first 3 months and then hybrid thereafter) Tech: OOP, PHP, MySQL, Git Focus: TDD, Agile, systems optimisation & Greenfield development Bonus: Kubernetes, AWS/GCP, Docker An exciting new opportunity for a Senior Backend Engineer ...

Senior Backend Engineer (Go/Java) - Exciting NEW Exclusive OchoX FDI - Remote first company Salary circa £100k+ bonus + benefits Please note candidates should reside in Northern Ireland to be eligible to apply. About the Company: Our client is a fast-growing SaaS organisation. Their AI powered technology helps … with clients such as Salesforce, Workday, and modern web stacks. Backed by leading investors and scaling rapidly, they offer a high-impact environment for backend engineers who want to shape the cloud-native systems behind a category-defining product. The Role: This is a Senior Backend Engineer position ...

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. ...

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 ...

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 ...

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 ...

Job Description: Core Java & Frameworks: Strong Core Java and Spring Boot application development; experience with Java NIO (Channels, Buffers, Selectors) is expected. Low-Latency & Trading Systems: Expert knowledge of FIX protocol , Market Connectivity, and low ...

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. ...