1 to 25 of 29 DemandTrendPermanent Backend Developer Jobs in the UK excluding London

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 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 Developer you won't just write code - you'll shape the future of a high-growth MarTech product, lead technical strategy, and … voice matters, your technical brilliance is valued, and your work directly influences product growth and innovation, we'd love to hear from you. The Role at a Glance: Senior Backend Developer Hybrid - Leeds HQ 1–2 Days per Week £70,000 - £90,000 DOE Plus Benefits: including a 4-day week – we work smarter so that we can More ❯

Backend Integration Developer – Modern PHP, APIs, Cloud Hybrid: Two days in our client's Manchester office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new … exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with … colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. You’ll operate in a multi-platform More ❯

Backend Integration Developer – Modern PHP, APIs, Cloud Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new … exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with … colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. You’ll operate in a multi-platform More ❯

Backend Integration Developer – Modern PHP, APIs, Cloud Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new … exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with … colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. You’ll operate in a multi-platform More ❯

Backend Integration Developer – Modern PHP, APIs, Cloud Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new … exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with … colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. You’ll operate in a multi-platform More ❯

Backend Developer – Craft CMSLocation: Leeds (3 days per week onsite)Salary: Up to £48,000 (DOE) + Discretionary BonusAre you a backend developer with a passion for building scalable, user-friendly CMS-driven websites? Do you thrive in a fast-paced agency environment, delivering impactful digital solutions for well-known brands? This role offers the chance … stack, specialising in Craft CMS, while developing your career within an employee-owned, B-Corp certified business that values creativity, collaboration, and long-term growth.About the role:As a Backend Developer, you’ll play a central role in shaping content models, implementing logical control panel user interfaces, and ensuring a seamless authoring experience for clients. You’ll collaborate … new technologies within the team, with progression supported by a dedicated People Development & Culture function.Key responsibilities: Design and implement content structures and control panel interfaces within Craft CMS Map backend content models to frontend requirements, ensuring seamless delivery Contribute to technical specifications and project cost estimates Manage multiple client projects, maintaining pace and quality across deliverables Collaborate with the More ❯

Backend JavaScript Developer (Vanilla JS/TypeScript) - Fully Remote - Permanent - £40,000 - £70,000 DOE + Benefits - Sports Media & Online Publishing We are working with a successful and growing sports media and online publishing company that is expanding its digital platforms. They are looking for a talented Backend JavaScript/TypeScript Developer to join their small … a well-established brand in the sports media space, where your work will directly shape how millions of fans consume digital content. What you'll be working on: Developing backend systems using Vanilla JavaScript and TypeScript Building a brand-new video streaming player from scratch Delivering multiple greenfield projects across publishing and digital media Working in a small, agile … greenfield projects where you'll shape architecture from the ground up Supportive and collaborative team culture Career growth within a leading sports media brand This role would suit a Backend JavaScript/TypeScript Developer, Vanilla JS Engineer, or TypeScript Backend Developer who wants to make a real impact in building new products. If you're passionate More ❯

Backend Software Developer, Typescript, .NET, Remote, COR7329 Are you a skilled Backend Software Developer seeking an exciting new role? Do you thrive in a fast-paced, startup environment? Apply now and drive the development of cutting-edge solutions in a fully remote position. The Position As a Backend Software Developer, you will focus on … building and maintaining scalable backend services and infrastructure. You will work extensively with TypeScript, .NET (C#), Python, and Postgres, ensuring reliable, secure, and performant solutions. You’ll work on Azure-first cloud deployments, DevOps pipelines, and system monitoring, helping to deliver robust services to customers. Working within a small, agile team, you’ll contribute to architecture decisions, review code … and support team members. You’ll play a vital role in shaping the backend systems that power an innovative product. The Company Our client is an emerging, well-financed startup with a track record of rapid growth. Working with cutting-edge technology, this role offers the chance to work on a product that already has an established customer base. More ❯

Backend Web Developer – Sheffield – £30,000 to £40,000 Benefits An established and innovative technology business based in Sheffield is looking to recruit a talented Backend Web Developer to join their friendly and supportive team. This is a great opportunity to work on exciting, industry-leading web projects in a collaborative environment that values integrity, continuous … support and guidance to internal teams Key Skills & Experience Applicants should have a minimum of 2 years’ experience, with proven skills in at least three of the following areas: - Backend development using .NET - Backend development using alternative technologies - API integration - SQL Server and T-SQL - Version Control (e.g., Git) You will also bring: - Strong communication and collaboration skills More ❯

The Opportunity We're looking for a talented Senior Backend Developer to join a purpose-driven tech team that creates solutions making a real difference in people's lives. This is more than just a job, it's a chance to shape systems that support individuals and organisations across the UK and Ireland. The Role As a Senior … Backend Developer, you'll be a founding member of a newly formed cross-functional engineering team. You'll play a key role in setting the tone for the team's culture, practices, and success. Your technical expertise will shape our architecture and support business-critical applications. This is a highly collaborative role suited to someone with a passion … for software craftsmanship and continuous improvement. Key Responsibilities Enhance features and functionality of core products Design and implement scalable backend systems using C# (.NET 5+ preferred) Write clean, maintainable, and testable code using TDD/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best More ❯

The Opportunity We're looking for a talented Senior Backend Developer to join a purpose-driven tech team that creates solutions making a real difference in people's lives. This is more than just a job, it's a chance to shape systems that support individuals and organisations across the UK and Ireland. The Role As a Senior … Backend Developer, you'll be a founding member of a newly formed cross-functional engineering team. You'll play a key role in setting the tone for the team's culture, practices, and success. Your technical expertise will shape our architecture and support business-critical applications. This is a highly collaborative role suited to someone with a passion … for software craftsmanship and continuous improvement. Key Responsibilities Enhance features and functionality of core products Design and implement scalable backend systems using C# (.NET 5+ preferred) Write clean, maintainable, and testable code using TDD/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best More ❯

The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, you’d be More ❯

priorities, and lean resources, but you embrace the challenge, staying focused under pressure, taking ownership, adapting quickly, and pitching in wherever needed. The Role We re looking for talented backend developer with proven commercial experience to help us build the core infrastructure that shall power our entire platform. You ll be responsible for designing, developing, and maintaining secure … scalable APIs, data processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and … batch data from external services. Optimize backend performance and ensure application scalability and resilience. Build authentication and authorization flows, following best practices for fintech-grade security. Write unit and integration tests, participate in code reviews, and contribute to continuous improvement. Collaborate closely with frontend/mobile engineers, product managers, and founders in agile development cycles. Contribute to infrastructure decisions More ❯

priorities, and lean resources, but you embrace the challenge, staying focused under pressure, taking ownership, adapting quickly, and pitching in wherever needed. The Role We’re looking for talented backend developer with proven commercial experience to help us build the core infrastructure that shall power our entire platform. You’ll be responsible for designing, developing, and maintaining secure … scalable APIs, data processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and … batch data from external services. Optimize backend performance and ensure application scalability and resilience. Build authentication and authorization flows, following best practices for fintech-grade security. Write unit and integration tests, participate in code reviews, and contribute to continuous improvement. Collaborate closely with frontend/mobile engineers, product managers, and founders in agile development cycles. Contribute to infrastructure decisions 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 Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture click apply for full job details More ❯

Join us as Backend Software Developer to support the organisation, achieve its strategic objectives by the identification of business requirements and solutions that address business problems and opportunities. To be successful as Backend Software Developer, you should have the following skills/experience: Knowledge of React as a Front End development library. Working knowledge of Java. More ❯

Senior .Net Developer – SaaS Company – Greater Manchester Salary: £55,000 to £65,000 + Benefits Location: Manchester – Most on-site Xpertise Recruitment are looking for a Senior .Net Developer to join a well-established and fast-growing SaaS business in Manchester. This company has built a high-performing engineering team and a strong reputation for delivering scalable, user More ❯

Job Title: Mid to Back End Developer Location: London Hybrid Model: 3 days in office Length of Contract: 6 months Pay Rate : £500 - £700 via umbrella IR35: Inside IR35 Are you a skilled developer with extensive experience in Java and Node.js, TypeScript, SQL Ready to take on exciting backend challenges and work on cutting-edge infrastructure projects … thorough unit and integration tests to ensure robust, reliable code Collaborate with cross-functional teams to deliver innovative new features What We're Looking For: Extensive professional experience in backend development with Java and Node.js/TypeScript Solid knowledge of containerization tools (Docker, Kubernetes) Experience managing CI/CD pipelines with GitHub and GitHub Actions Strong understanding of SQL More ❯

Broster Buchanan are partnered with a quickly growing eCommerce business who are looking for a Backend Integrations Developer with a strong background in e-commerce systems and backend integrations to join their fast-paced, tech-forward software engineering team. This role will focus on the development and maintenance of scalable, cloud-native software solutions that integrate their … remote working per week. On offer is a salary of £55k - £75k + 10% bonus (with plenty of flexibility for the right person). Responsibilities: Design, develop, and maintain backend integrations between e-commerce systems and ERP/WMS/Finance platforms. Build cloud-native, containerised applications and services using modern frameworks and design patterns. Create middleware and intranet … software development practices (e.g., GPT-assisted development, Agentic AI workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Requirements: Strong experience in backend systems and technologies, such as .NET 8 or 9, C# or Golang Experience in various SQL dialects, including MySQL, MSSQL, PostgreSQL Familiarity with Redis, ElasticSearch and REST APIs Experience More ❯

Broster Buchanan are partnered with a quickly growing eCommerce business who are looking for a Backend Integrations Developer with a strong background in e-commerce systems and backend integrations to join their fast-paced, tech-forward software engineering team. This role will focus on the development and maintenance of scalable, cloud-native software solutions that integrate their … remote working per week. On offer is a salary of £55k - £65k + 10% bonus (with plenty of flexibility for the right person). Responsibilities: Design, develop, and maintain backend integrations between e-commerce systems and ERP/WMS/Finance platforms. Build cloud-native, containerised applications and services using modern frameworks and design patterns. Create middleware and intranet … software development practices (e.g., GPT-assisted development, Agentic AI workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Requirements: Strong experience in backend systems and technologies, such as .NET 8 or 9, C# or Golang Experience in various SQL dialects, including MySQL, MSSQL, PostgreSQL Familiarity with Redis, ElasticSearch and REST APIs Experience More ❯

Principal .Net Developer – SaaS Company – Greater Manchester Salary: £70,000 to £80,000 + Benefits Location: Manchester Xpertise Recruitment are looking for a Principal .Net Developer to join a well-established and fast-growing SaaS business in Manchester. This company has built a high-performing engineering team and a strong reputation for delivering scalable, user-centric software used … Why should you want to join? Strategic technical leadership: You’ll play a key role in shaping the engineering direction of a product suite used globally. As a Principal Developer, you’ll help define architectural decisions, mentor senior developers, and guide best practices across multiple teams. Supportive engineering culture: You’ll be surrounded by experienced engineers who value collaboration More ❯

team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java, PostgreSQL, AWS, Microservices, Typescript, Docker, Kubernetes, Terraform, JSON/REST, SOAP, and XML. This role is a backend development position, and not mobile/android focused. You will need to be open to working in a fast-paced, sometimes chaotic start-up environment, truly committed to building More ❯

Ourclientisamarketleadingstartup.TheyaretheonlycompanycurrentlyabletoprovideafullAI-drivensolutionintheirmarket.TheyarelookingforaBackEndC#DevelopertojointheirremoteUKteam. KeyResponsibilities: Develop,test,andmaintainsoftwareapplicationsusingthe.NETframework,C#,andrelatedtechnologies. Troubleshoot,debug,andoptimiseapplicationstoensureperformanceandreliability. Writeclean,scalable,andefficientcodefollowingindustrybestpractices. DevelopandmaintainAPIs,integrations,anddatabase-drivensolutions. Stayuptodatewithemergingtrendsandtechnologiestorecommendimprovementstoexistingsystems. KeySkills&Experience C#.NETAPIDevelopment building,maintaining,andoptimizingbackendservices. SQLServer(Advanced) stronginwriting,debugging,andoptimizingcomplex storedprocedures andqueries. Azure hands-onexperiencewithAzureservices(AppServices,Functions,SQLDatabase,Storage,Monitoring More ❯

POSITION DESCRIPTION: Reynolds and Reynolds is currently seeking candidates with prior experience of software development in .NET to work on technical and functional enhancements within its automotive dealer management platforms.This is primarily a back-end role working in web services More ❯

Senior Back End Developer Salary: 63-65k DOE 5 days per week in the office Skills: C#/.Net/SQL Are you looking for your next opportunity? Do you want to work with brand new tech and have the opportunity to develop yourself further in a business that promotes self-development? This is a great opportunity for … Skills required: C# and .NET SQL server Creating and maintaining RESTful & GraphQL APIs Azure would be a bonus What you'll be working on as a senior back end developer: Building a scalable global platform using .Net 8 and Azure function apps Driving quality through Test Driven Development What you'll receive as a senior back end developer … with it increasing every 2 & 5 years Travel Season Ticket loans scheme Discounted products - such as city centre parking, food & drink On site Gym If this senior back end developer role is of interest, or you'd like to hear about any of our other opportunities. Please get in touch. More ❯