1 to 25 of 114 Backend Developer Jobs in the UK

Portfolio are proud to be exclusively representing an award-wining, consultancy specialising in Employment Law and Health and Safety Advice. What this means is that they partner with SMEs and make sure they are complying with the law so they More ❯

Portfolio are proud to be exclusively representing an award-wining, consultancy specialising in Employment Law and Health and Safety Advice. What this means is that they partner with SMEs and make sure they are complying with the law so they More ❯

We are seeking 2 Remote Backend Java Developer. A hands-on role in modernising our core platform. This individual will be help in driving the migration away from Legacy systems into, cloud-native architectures, and working closely with your team to acheiuve these goals. This is new role looking for someone who has worked in smaller teams and for … evolve containerised deployment pipelines using Docker and CI/CD principles. *Develop and manage data pipelines with Apache Airflow, with data transformation using Python and Pandas. Essential Skills & Experience Backend & Microservices *Proficiency in Java with a good understanding of microservices architecture. *Experience with Spring Boot, Spring Data, JPA, and Hibernate. *Good knowledge of message brokers (particularly AWS SQS, SNS More ❯

roles where your newly learned skills can be applied meaning a vast array of opportunities are now available to you. Examples of some of these are listed below: - Junior Developer Website Support Developer Junior Web Developer Content Editor Wordpress Developer Junior Software Developer Junior Front or Back End Development Development Support We have been helping More ❯

Join a top-tier London consultancy partnering with a major insurance client to develop innovative analytics and actuarial solutions. Were looking for an experienced backend software engineer to take a leading role in the evolution of a cutting-edge internal platform used by actuaries and data scientists across the business. KeyResponsibilities Leadfeaturedevelopmentonahigh-impactanalyticsplatform,withafocusonperformance,scalability,andlong-termmaintainability. Bridgeandoptimisetheintegrationbetween C# More ❯

Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370 Are you a skilled Back-End Developer with strong Java Spring Boot expertise, looking for your next challenge? Join a forward-thinking team shaping the future of AI-powered solutions. The Role As a Senior Back-End Developer, you'll design and maintain scalable, secure, and high-performing … Steps Ready to take the next step in your career? Apply now and help shape the future of back-end systems powering next-generation AI solutions! Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370 Corriculo Ltd acts as an employment agency and an employment business. #JC #ChannelA More ❯

Backend Developer | Java, Spring Framework, RESTful APIs, SQL, NoSQL Manchester | Hybrid Up to £65,000 A global technology-driven services company within the financial/hospitality sector is seeking a Backend Developer to help build and maintain the backend systems that power their international platform. In this role, you will develop and maintain server-side … and optimization. You’ll also play an active role in improving system performance, fixing bugs, and contributing to new features. The ideal candidate will have hands-on experience in backend development with a focus on Java and Spring Framework (or similar). Strong knowledge of RESTful API design and both SQL and NoSQL databases is essential. This role is … well-suited to a backend developer who wants to grow within a collaborative engineering team that values clean, scalable code and strong development practices. Essential Skills Java Spring Framework RESTful APIs SQL, NoSQL, MongoDB Desirable Skills CI/CD pipelines AWS Python If you’re looking to deepen your backend expertise and work on impactful global projects More ❯

We’re seeking an experienced Backend Developer to join a high-impact engineering team working on secure, large-scale cloud-based applications. This role is ideal for someone with a strong software development foundation, solid DevOps experience, and deep AWS expertise — particularly with Lambda . Key Responsibilities Design, develop, and maintain backend services within a cloud-native … of system reliability, scalability, and performance. Support infrastructure management through Infrastructure as Code (IaC) tools and practices. Troubleshoot and resolve complex issues across distributed systems. Core Skills & Experience Strong backend software development background — with proven experience in modern programming languages (Node.js preferred, but open to others such as Python, Java, or C#). Hands-on DevOps experience (CI/… Duration: 6-Month Contract (with strong view to extend) 🔐 Clearance: SC Eligible essential – must have 5+ years of continuous UK residency 💼 Engagement Type: Contract If you’re an experienced Backend Developer who thrives in a DevOps-driven AWS ecosystem and wants to contribute to a meaningful, high-profile project — I’d love to hear from you. More ❯

We’re seeking an experienced Backend Developer to join a high-impact engineering team working on secure, large-scale cloud-based applications. This role is ideal for someone with a strong software development foundation, solid DevOps experience, and deep AWS expertise — particularly with Lambda . Key Responsibilities Design, develop, and maintain backend services within a cloud-native … of system reliability, scalability, and performance. Support infrastructure management through Infrastructure as Code (IaC) tools and practices. Troubleshoot and resolve complex issues across distributed systems. Core Skills & Experience Strong backend software development background — with proven experience in modern programming languages (Node.js preferred, but open to others such as Python, Java, or C#). Hands-on DevOps experience (CI/… Duration: 6-Month Contract (with strong view to extend) 🔐 Clearance: SC Eligible essential – must have 5+ years of continuous UK residency 💼 Engagement Type: Contract If you’re an experienced Backend Developer who thrives in a DevOps-driven AWS ecosystem and wants to contribute to a meaningful, high-profile project — I’d love to hear from you. More ❯

Senior Backend Developer | Java, Spring Boot, RESTful APIs Manchester | Hybrid Up to £85,000 A leading global technology-driven services company in the financial/hospitality sector is seeking a Senior Backend Developer to help architect, build, and optimize backend systems for their international platform. In this role, you will lead the design, development, and … deployment of backend services and APIs, creating scalable systems that integrate multiple data sources. You will also mentor junior developers, conduct code reviews to maintain quality and performance standards, and collaborate closely with cross-functional teams during technical design and product planning. The ideal candidate will have extensive experience in backend development with a strong focus on Java More ❯

expertise and creative approach, they deliver tailored Magento builds that help clients scale and succeed online. As part of their ongoing growth, my client is looking for an experienced Backend Magento Developer to join their fully remote development team. This is an excellent opportunity to work on a variety of exciting projects within a collaborative and forward-thinking … successful candidate will be responsible for developing, maintaining, and optimising Magento 2 websites across multiple client accounts. Working closely with front-end developers, project managers, and technical leads, the Backend Magento Developer will ensure high-quality, efficient, and scalable code delivery. Key Responsibilities Develop, test, and maintain custom Magento 2 modules and integrations. Optimise backend performance for … control, documentation, and clean coding standards. Integrate with third-party systems including payment gateways, ERPs, and CRMs. Skills & Experience Required Minimum of 3 years’ commercial experience in Magento 2 backend development. Strong proficiency in PHP, MySQL, and RESTful API development. Familiarity with Composer, Git, and modern deployment workflows. Excellent understanding of OOP, MVC architecture, and Magento’s EAV model. More ❯

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost … will be committed to your career and development from day one. Key responsibilities Back end development for a Python web application Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools … technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including More ❯

A multi award-winning antivirus and cybersecurity company based in Fareham, Hampshire, is expanding and seeking talented individuals to join its team. The company provides advanced online protection through a suite of products designed to safeguard users from the latest More ❯

Senior Backend Engineer | Fully Remote | Full Time Are you a seasoned backend engineer with a passion for building scalable APIs and robust backend systems? We’re looking for a Senior Backend Engineer to join our development team and help shape the future of our platform. What You’ll Do Design, develop, and maintain high-quality APIs … and backend services Architect scalable software solutions and contribute to system design Collaborate with cross-functional teams to deliver integrated solutions Mentor junior engineers and provide technical leadership Troubleshoot, debug, and optimize performance across systems Stay current with emerging technologies and industry trends What You’ll Bring 6+ years of experience in backemnd or fullstack software development Strong proficiency … in Python, TypeScript, and Bash Deep understanding of API technologies (REST, GraphQL, XML-RPC) Experience connecting UI frameworks to backend systems Solid grasp of Agile/Scrum methodologies Degree in Computer Science, Engineering, or related field Nice to Have Experience with frontend frameworks (React, Angular, jQuery) Familiarity with Linux systems, virtualization, and networking System programming experience in C Why More ❯

Senior Backend Engineer – Python | Django | FastAPI | AWS Build systems that power the future of AI Are you a high-agency backend engineer who thrives on solving complex problems at scale? Do you enjoy designing secure, production-grade systems and shipping robust APIs that make advanced technology accessible? Would you like to shape core infrastructure for AI-powered products … be the opportunity that unlocks your next big career move. About the Role Our client – an innovative, deep tech start-up based in the UK – is seeking a Senior Backend Engineer with expertise in Python (Django or Flask) to architect and deliver production-grade systems for cutting-edge AI products. This is a role for engineers who enjoy owning … backend services end-to-end – from design to deployment and everything in between. You'll play a pivotal role in building secure, scalable APIs, optimising infrastructure, and integrating backend services directly with AI models and real-time inference pipelines. This is a hybrid role with flexible hours , offering rapid career progression and a chance to define best practices More ❯

Our client , a rapidly growing financial services organisation, is expanding their technology division and is looking for a talented Backend Software Engineer to join their team. This is an exciting opportunity to work on several key projects, helping shape the future of their technology platforms and cloud security services. The Role: Based in Manchester (3 days per week in … office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend services using TypeScript and NestJS More ❯

Graduate Software Developer - Fully Remote Work, train into C#, PHP, SQL, Azure Please Note: Please do not apply if you require visa sponsorship, including Student/PSW Visas not eligible. Join Us: A reputable financial services provider and innovator seeks a 1st-Class Computer Science graduate to join our Agile team click apply for full job details More ❯

Graduate Software Developer - Fully Remote Work, train into C#, PHP, SQL, Azure Please Note: Please do not apply if you require visa sponsorship, including Student/PSW Visas not eligible. Join Us: A reputable financial services provider and innovator seeks a 1st-Class Computer Science graduate to join our Agile team click apply for full job details More ❯

Graduate Software Developer - Fully Remote Work, train into C#, PHP, SQL, Azure Please Note: Please do not apply if you require visa sponsorship, including Student/PSW Visas not eligible. Join Us: A reputable financial services provider and innovator seeks a 1st-Class Computer Science graduate to join our Agile team click apply for full job details More ❯

Join a top-tier London consultancy partnering with a major insurance client to develop innovative analytics and actuarial solutions. Were looking for an experienced backend software engineer to take a leading role in the evolution of a cutting-edge internal platform used by actuaries and data scientists across the business. KeyResponsibilities Leadfeaturedevelopmentonahigh-impactanalyticsplatform,wi click apply for full job More ❯

Node Developer Remote Working Lynx are currently working with a large IT consultancy to help them source a Node Developer. Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities : Design, implement, and manage backend applications and APIs using Node click apply for full job details More ❯

Lead Backend Developer Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance click apply for More ❯

Senior Backend Developer - Python, AWS, Django Central London/Hybrid -one day in the office £75-85k + benefits Were seeking a topflight Senior Backend Developer with a strong software engineering background including 8-9+ years majoring in writing Backend applications using Python and Django (Rest Framework) click apply for full job details More ❯

to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for … someone experienced in backend API development and working with modern data infrastructure. At Ask BOSCO , we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Python Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical … by renowned tech entrepreneurs inc co-founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearlyMarkets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO , part of Modo25, we’re building a smarter, faster, people-first marketing tech More ❯

to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for … someone experienced in backend API development and working with modern data infrastructure. At Ask BOSCO , we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Python Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical … by renowned tech entrepreneurs inc co-founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearlyMarkets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO , part of Modo25, we’re building a smarter, faster, people-first marketing tech More ❯