1 to 25 of 86 DemandTrendPermanent Backend Developer Jobs in England

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 ❯

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 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 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 Developer (Node.js) Overview Our clients technology powers thousands of retail websites, providing tools to help clients retain users and gain valuable analytical insights.They are seeking a talented Node.js Backend Developer with a strong background in serverless architecture, MySQL, distributed systems, infrastructure as code, and extensive AWS experience. As a key member of their development team … you will be responsible for building and maintaining high-performance, scalable backend systems. Your role will include designing, developing, and maintaining cutting-edge backend solutions, as well as mentoring junior developers. Responsibilities Design and implement serverless backend solutions using Node.js, MySQL, and AWS technologies. Develop and maintain APIs and microservices to support various applications. Collaborate with cross … functional teams to gather requirements and propose effective solutions. Stay updated with emerging technologies and trends in backend development and AWS services. Document technical specifications, architectural decisions, and codebase to ensure knowledge sharing and system reliability. Optimise database schemas, queries, and indexes for efficient data storage and retrieval. Implement caching strategies to enhance system performance and reduce latency. Required More ❯

Senior Backend Developer Capital Pay Software Solutions Ltd Promoting world class payment solution systems to global audiences Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform. This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals … secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape. We are seeking a Senior Backend Developer with extensive experience in the FinTech industry, specifically in building secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing … the core architecture of our payment aggregation platform. Key Responsibilities: Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer. Select and implement appropriate technologies from our stack, which includes python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL More ❯

Senior Backend Developer Capital Pay Software Solutions Ltd Promoting world class payment solution systems to global audiences Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform. This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals … secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape. We are seeking a Senior Backend Developer with extensive experience in the FinTech industry, specifically in building secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing … the core architecture of our payment aggregation platform. Key Responsibilities: Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer. Select and implement appropriate technologies from our stack, which includes python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL More ❯

C# Backend Developer (x2) My Client is looking for two experienced C# Backend Developers to join a growing technology team. You'll play a vital role in building scalable, high-performance APIs and services to support critical platforms in a fast-paced, agile environment. Key Responsibilities: Develop and maintain backend systems using C#, .NET Collaborate with … frontend, mobile, and product teams to deliver end-to-end solutions Write clean, testable code and support CI/CD practices Ensure performance, reliability, and security across backend components Participate in code reviews and design discussions Key Skills: Strong experience in C# and .NET Core Experience with RESTful APIs, SQL Server, and Entity Framework Exposure to cloud platforms (Azure … of software architecture and system integration Bonus: Knowledge of microservices or event-driven architectures Benefits: Remote working Excellent career and progression Flexible working Interested? Please Click Apply Now! C# Backend Developer (x2 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 … project. Skills required: C# and .NET SQL Server Creating and maintaining RESTful & GraphQL APIs Azure experience would be a bonus What you'll be working on as a Senior Backend 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 Backend Developer: Structured career progression & personal development plans 25 days annual leave, increasing every 2 and 5 years Travel Season Ticket loan scheme Discounted products such as city centre parking, food & drink Onsite gym If this Senior Backend Developer role is of interest, or if you'd like to hear about any of our other opportunities, please More ❯

you have the freedom to work as you please - all that matters is execution. Join us and help lay the foundation for a decentralized future. Currently looking for: Senior Backend Developer Remote Key responsibilities As a senior Backend Developer, you will be a part of the team that works on the development of the backend … provide the most professional trading experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry. Scalability - all backend services that power Bitfinex platform must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. A good example … are the renown Bitfinex API, the most solid, low-latency and complete in our industry. Security - Bitfinex makes Security its most important feature. The Backend Development team is responsible for building all the API services and backend processes with the highest security principles and standard, in order to protect the safety of the entire user base. Exceptional Node More ❯

Backend Developer (Java/AWS Lambda/MySQL) Wigan, United Kingdom Posted on 20/08/2025 Johnsons 1871, Our services are diverse and our delivery more so. With depots throughout the UK, we offer the opportunity to welcome you into a community which thrives on inspiring the future pioneers of our industry, whilst upholding our old … by law. We have a long heritage of being an inclusive employer which provides training and development in a positive learning environment. About the Role Join us as a Backend Developer, where you'll immediately contribute to thehigh-impact Marvel project while helping to architect and scale futuresolutions-especially those leveraging .NET/C our evolving tech ecosystem. … Key Responsibilities Design,develop, and maintain backend systems and RESTful APIs using Java and AWS Lambda , ensuring high performance and scalablearchitecture. Optimiseand manage MySQL databases, focusing on schema design, indexing,and query performance to drive system reliability. Collaboratecross-functionally with frontend developers, UX designers, product owners,and other stakeholders to deliver seamless user experiences. Produce clean, maintainable, and testable More ❯

We're looking for a passionate Senior Backend Developer who thrives on solving complex problems and building systems that scale. You'll be at the forefront of creating next-generation backend services that genuinely make a difference for our customers and business. In this role, you'll have the freedom to lead, the support to grow, and … have the best tools. That's why you'll have top-of-the-range equipment and a workspace designed for creativity, collaboration, and getting things done. Job Title: Senior Backend Developer Location: Liverpool City Centre on a hybrid working basis Salary: £65,000-£75,000 depending on experience What You'll Do Build and maintain scalable microservices in 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 ❯

re just getting started. Our HQ? Zürich's iconic Bahnhofstrasse, a fitting home for a company redefining how businesses operate. Ready to build the future? Join blp today. About Backend at BLP Digital We are a rapidly growing ETH and HSG spin-off, and our AI-enabled product revolutionises ERP automation. Our team is heavily focused on engineering, which … for those who eager to excel. Do you want to apply your skills within a collaborative team, working on complex challenges using the latest technology? Job Summary As Senior Backend Developer, you will work on our advanced web services. You are an independent and solution-oriented developer, who enjoys working on deployed client solutions under sometimes tight … deadlines. You are an expert in Go, relational databases, and like to do unit testing. You assume ownership and thrive working in a motivated team. Job Summary As Senior Backend Developer , you will work on our advanced web services. You are an independent and solution-oriented developer, who enjoys working on deployed client solutions under sometimes tight More ❯

humanity and collaboration, encourage professional and personal growth, and foster a supportive and flexible work environment where everyone's contribution is welcomed. Now we are looking for a Senior Backend Developer to join us as part of our team. About the role You will be working in a team that combines investment expertise with advanced technology solutions. We … build products where data security is a top priority, and we are looking for a strong backend developer with experience in information security and SOC 2 compliance. As a qualified expert, You will Develop backend applications using Node.js + TypeScript Design secure system architectures Implement solutions that meet SOC 2 and other security standards Work with PostgreSQL More ❯

culture rewards self-starters and those who are committed to doing what is best for our customers. Location: Hybrid - London We are seeking a skilled and motivated Server-Side Developer to work on our Platform. It is a custom-built online quote, bind and formal documentation issuance platform, that also offers a range of analytics to assist with underwriting … performance, and scalability. Troubleshoot and debug server issues, providing timely solutions. Implement security and data protection measures. Keep up to date with emerging trends, technologies, and best practices in backend development. About you: Experience as a Backend Developer or similar role. Proven high proficiency in ASP.NET, .NET (C#), and SQL. Experience with backend frameworks and libraries. More ❯

Join the Tech Powerhouse Behind Next-Gen iGaming Platforms! Are you a seasoned backend engineer ready to tackle the complex world of real-time, high-frequency data exchange ? Our client, a fast-growing B2B iGaming platform provider in Malta, is building the future of Sports Exchange services -and they need top engineering talent to make it happen. About the … Role We're looking for a senior backend developer (language agnostic) with deep knowledge in designing high-performance, distributed systems . You'll work in a core product team focused on building scalable, event-driven architectures that power millions of transactions across casino, sportsbook, and exchange products. This is a strategic, high-impact role in a team responsible … Jetstream Datastores: Redis, ClickHouse, PostgreSQL, MongoDB Cloud & Infra: Docker, Kubernetes, CI/CD pipelines Architecture: Microservices, real-time APIs, event-driven systems What You'll Do Architect and develop backend systems for real-time sports exchange services Design high-throughput, low-latency services Work with cross-functional teams to deliver reliable and scalable solutions Lead code reviews, system design More ❯

k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance … features by working alongside engineering, product management, design, and QA teams. Promote best practices : Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code. Automation and process improvement : Increase development efficiency, reliability, and scalability by creating automated processes that streamline workflows. … with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding standards, and architectural patterns. Experience in automating builds (CI/CD), feature flags, and automated testing. Bonus Skills: Experience with message-driven systems (e.g., Google Pub More ❯