1 to 25 of 29 Backend Developer Jobs

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 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 (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 ...

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 ...

Senior Backend Python Developer 6-Month contract - Inside IR35 - up to £450 per day Leeds based - hybrid working - 3 days onsite Responsibilities Build and maintain backend services and APIs in line with existing architectural patterns and standards. Implement business logic, data access layers, and integrations with internal … code, adhering to agreed engineering best practices. Contribute unit and integration tests to ensure functional correctness and regression safety. Support feature delivery by implementing backend components from pre-defined designs and tickets. Participate in code reviews, addressing feedback and continuously improving code quality. Troubleshoot backend issues using logs ...

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 ...

Description 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 ...

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. ...

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. ...

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. ...

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 ...

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 ...

Outside IR35 Backend Software Engineer - MOD/Defence Project, Farnborough, Hybrid, £500-550 per day Contract opportunity for a backend software engineer for a programme involving LLM. This is for a defence consultancy and security clearance (SC) would be needed prior to engagement. Due to the nature … Creation and Integration Working with JSON If you have worked in a security cleared environment, have the active relevant Security Clearance and skilled with backend development - please apply. ...

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 ...