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44 API jobs in South Yorkshire + 20 miles
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oStrong knowledge and working experience with Retrofit for API integration.
oStrong knowledge and working experience with Retrofit for API integration.
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API design, documentation (OpenAPI/Swagger), and integration with external partners
API design, documentation (OpenAPI/Swagger), and integration with external partners
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Solid understanding of REST API design and development
Solid understanding of REST API design and development
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API integration experience (RESTful APIs)
API integration experience (RESTful APIs)
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Senior Software Engineer .Net
Senior Software Engineer .Net
Coburg Banks Limited
Leeds, West Yorkshire
£65000 - £70000 per annum + Pension, Healthcare
Experience with API (RESTful/Socket/OpenQL), microservice architecture and development.
Experience with API (RESTful/Socket/OpenQL), microservice architecture and development.
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Solid experience with React, including Hooks, Context API, and both class/function-based components
Solid experience with React, including Hooks, Context API, and both class/function-based components
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Strong background in API integrations, including custom APIs.
Strong background in API integrations, including custom APIs.
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Experience in API and BDD testing
Experience in API and BDD testing
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Lead Python Software Developer - AI MarTech SaaS- c£90K 4 Day Week
Lead Python Software Developer - AI MarTech SaaS- c£90K 4 Day Week
Recruitment Revolution
LS1, Leeds
Up to £90,000 DOE + Benefits
Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? At Ask BOSCO®, we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Lead Software Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity - If you’re looking for a role where your voice matters, your technical leadership is valued, and your work directly influences product growth and innovation, we’d love to hear from you. Lead Python Software Developer
Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? At Ask BOSCO®, we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Lead Software Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity - If you’re looking for a role where your voice matters, your technical leadership is valued, and your work directly influences product growth and innovation, we’d love to hear from you. Lead Python Software Developer
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Solution Architect (Contract) Outside IR35 West Yorkshire
Solution Architect (Contract) Outside IR35 West Yorkshire
Computer Futures
Bagby Fields, LS1
£525 - £600 per day
Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
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Develop Python scripts, AWS Lambda, and REST API integrations
Develop Python scripts, AWS Lambda, and REST API integrations
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Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following * Java 21 (or later) * Test Driven Development (TDD) and Behaviour Driven Development (BDD) * Large microservice architectures * Agile environments and pair programming * Implementing APIs for internal and external use * Building automated test suites in CI/CD environments * Unix/Linux operating systems * Communicating technical concepts to non-technical audiences * Jackson, JAX-RS, Mockito * ActiveMQ or Kafka
Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following * Java 21 (or later) * Test Driven Development (TDD) and Behaviour Driven Development (BDD) * Large microservice architectures * Agile environments and pair programming * Implementing APIs for internal and external use * Building automated test suites in CI/CD environments * Unix/Linux operating systems * Communicating technical concepts to non-technical audiences * Jackson, JAX-RS, Mockito * ActiveMQ or Kafka
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Leeds - 2x a week - Salary: £65k D.O.E - Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth. You will be responsible for working on backend services, focusing on platform engineering and building CI/CD pipelines. You will be developing in Node. Js and Typescript, and will have a strong focus on AWS Services, such as EKS, Dynamo DB and S3. What will I be doing? * Turn concepts and requirements into a bespoke software platform. * Work closely with the agile teams to meet software deliverable. * Support continuous integration to enhance deployment. * Build and deploy CI/CD pipelines. * Coaching and mentoring junior developers.
Leeds - 2x a week - Salary: £65k D.O.E - Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth. You will be responsible for working on backend services, focusing on platform engineering and building CI/CD pipelines. You will be developing in Node. Js and Typescript, and will have a strong focus on AWS Services, such as EKS, Dynamo DB and S3. What will I be doing? * Turn concepts and requirements into a bespoke software platform. * Work closely with the agile teams to meet software deliverable. * Support continuous integration to enhance deployment. * Build and deploy CI/CD pipelines. * Coaching and mentoring junior developers.
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Are you ready to kickstart your career as a Web Developer? Our client, a dynamic company based in Rotherham, is on the lookout for a talented individual to join their team. Specialising in finance and banking solutions, the company offers an exciting opportunity to work on cutting-edge projects. As a Web Developer, you'll be diving into a variety of tasks that will keep you on your toes. * Maintain and improve websites and web applications * Work on APIs and integrate with third-party services * Troubleshoot and resolve technical issues - What Experience Do I Need - The ideal Web Developer will have a passion for technology and a keen eye for detail. * Some technical expertise is essential, though this could be your first web development role * Experience with front-end and back-end tools and technologies is advantageous * Familiarity with databases will be beneficial
Are you ready to kickstart your career as a Web Developer? Our client, a dynamic company based in Rotherham, is on the lookout for a talented individual to join their team. Specialising in finance and banking solutions, the company offers an exciting opportunity to work on cutting-edge projects. As a Web Developer, you'll be diving into a variety of tasks that will keep you on your toes. * Maintain and improve websites and web applications * Work on APIs and integrate with third-party services * Troubleshoot and resolve technical issues - What Experience Do I Need - The ideal Web Developer will have a passion for technology and a keen eye for detail. * Some technical expertise is essential, though this could be your first web development role * Experience with front-end and back-end tools and technologies is advantageous * Familiarity with databases will be beneficial
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Beeston, Leeds - Fully site-based Monday – Friday - Salary up to £45,000 - Elevation IT are delighted to be recruiting on behalf of one of our key clients in Beeston, Leeds, who are looking for a driven Full Stack Developer to join their growing technology team. This is a fantastic opportunity to work alongside an experienced developer and a wider IT team, gaining hands-on experience across the full stack while contributing to impactful projects. You’ll be developing and maintaining scalable applications, writing clean and efficient code and building your skills in a supportive environment. Key Responsibilities * Develop, test, and maintain web applications using Node.js and React.js * Build responsive, user-friendly interfaces with Tailwind CSS * Design queries and optimise performance using T-SQL, MySQL, and SQLite
Beeston, Leeds - Fully site-based Monday – Friday - Salary up to £45,000 - Elevation IT are delighted to be recruiting on behalf of one of our key clients in Beeston, Leeds, who are looking for a driven Full Stack Developer to join their growing technology team. This is a fantastic opportunity to work alongside an experienced developer and a wider IT team, gaining hands-on experience across the full stack while contributing to impactful projects. You’ll be developing and maintaining scalable applications, writing clean and efficient code and building your skills in a supportive environment. Key Responsibilities * Develop, test, and maintain web applications using Node.js and React.js * Build responsive, user-friendly interfaces with Tailwind CSS * Design queries and optimise performance using T-SQL, MySQL, and SQLite
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Pay up to £52,442 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Digital with Purpose. We are looking for an Identity Access Management Infrastructure Engineer to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Experience of working with Active Directory, Entra ID, MFA technologies.
Pay up to £52,442 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Digital with Purpose. We are looking for an Identity Access Management Infrastructure Engineer to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Experience of working with Active Directory, Entra ID, MFA technologies.
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Salary - £27,000 - Hybrid - 3 days per week in Sheffield Office - Location Sheffield - Reports to:Test Manager - This role helps the Technology team to confidently build and release working software within agreed timescales. Success in this role is about getting a solid understanding of how testing works, mastering our processes, and showing an aptitude for testing, skills development and progression to the higher roles. Responsibilities - Keeping test cases up to date - Working with testers, developers and Product Managers to create test cases and scripts for new projects and existing sites/functionality - Triages issues reported as bugs (to verify they are reproducible) Contributes to overall test team culture (suggestions, new ways of working, etc.) Testing across desktop, web, mobile/responsive design and APIs. Reporting progress, escalating issues and highlightin
Salary - £27,000 - Hybrid - 3 days per week in Sheffield Office - Location Sheffield - Reports to:Test Manager - This role helps the Technology team to confidently build and release working software within agreed timescales. Success in this role is about getting a solid understanding of how testing works, mastering our processes, and showing an aptitude for testing, skills development and progression to the higher roles. Responsibilities - Keeping test cases up to date - Working with testers, developers and Product Managers to create test cases and scripts for new projects and existing sites/functionality - Triages issues reported as bugs (to verify they are reproducible) Contributes to overall test team culture (suggestions, new ways of working, etc.) Testing across desktop, web, mobile/responsive design and APIs. Reporting progress, escalating issues and highlightin
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Full Stack Developer - React.js | Node.js | SQL Server - Location: Nottinghamshire, 2 days a week in office - Employment Type: Permanent - Salary: Based on experience - Due to continued success, I am looking for a skilled Mid-Level Full Stack Developer to join my clients growing team working on a modern, web-based platform. This is a hands-on role where you'll be building new applications and enhancing existing ones using React.js, Node.js, and SQL Server. The role is offered on a hybrid basis, minimum 2 days a week in their Nottinghamshire office * Develop and maintain full-stack web applications with a focus on performance and scalability. * Build responsive, data-driven UIs using React.js, consuming JSON APIs. * Create and enhance backend services using Node.js. * Work with complex business logic implemented in SQL Server stored procedures.
Full Stack Developer - React.js | Node.js | SQL Server - Location: Nottinghamshire, 2 days a week in office - Employment Type: Permanent - Salary: Based on experience - Due to continued success, I am looking for a skilled Mid-Level Full Stack Developer to join my clients growing team working on a modern, web-based platform. This is a hands-on role where you'll be building new applications and enhancing existing ones using React.js, Node.js, and SQL Server. The role is offered on a hybrid basis, minimum 2 days a week in their Nottinghamshire office * Develop and maintain full-stack web applications with a focus on performance and scalability. * Build responsive, data-driven UIs using React.js, consuming JSON APIs. * Create and enhance backend services using Node.js. * Work with complex business logic implemented in SQL Server stored procedures.
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Role: Contract Senior Fullstack Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
Role: Contract Senior Fullstack Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
Role: Contract Senior Frontend Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 3-6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
Role: Contract Senior Frontend Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 3-6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
Leeds - 2x a week - Salary: £65k D.O.E - Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth. You will be responsible for working on backend services, focusing on platform engineering and building CI/CD pipelines. You will be developing in Node. Js and Typescript, and will have a strong focus on AWS Services, such as EKS, Dynamo DB and S3. What will I be doing? * Turn concepts and requirements into a bespoke software platform. * Work closely with the agile teams to meet software deliverable. * Support continuous integration to enhance deployment. * Build and deploy CI/CD pipelines. * Coaching and mentoring junior developers.
Leeds - 2x a week - Salary: £65k D.O.E - Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth. You will be responsible for working on backend services, focusing on platform engineering and building CI/CD pipelines. You will be developing in Node. Js and Typescript, and will have a strong focus on AWS Services, such as EKS, Dynamo DB and S3. What will I be doing? * Turn concepts and requirements into a bespoke software platform. * Work closely with the agile teams to meet software deliverable. * Support continuous integration to enhance deployment. * Build and deploy CI/CD pipelines. * Coaching and mentoring junior developers.
Role React Developer - Location - Leeds (Hybrid) Salary - £60K - £75K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented React Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced professional for a hybrid position to be based in Central London * Design and develop high-performance, user-centric web applications that enhance customer experiences. * Collaborate with cross-functional teams to implement innovative solutions and deliver impactful projects. * Contribute to the overall architecture and design decisions, ensuring scalability and maintainability. * Engage in continuous learning and professional development as you work with cu
Role React Developer - Location - Leeds (Hybrid) Salary - £60K - £75K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented React Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced professional for a hybrid position to be based in Central London * Design and develop high-performance, user-centric web applications that enhance customer experiences. * Collaborate with cross-functional teams to implement innovative solutions and deliver impactful projects. * Contribute to the overall architecture and design decisions, ensuring scalability and maintainability. * Engage in continuous learning and professional development as you work with cu
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Senior Full Stack Engineer
Senior Full Stack Engineer
Daniel James Resourcing Ltd
Rothwell, LS26 0JE
£65000 - £70000 per annum, Benefits 5%-10% Bonus
Our client, a highly profitable enterprise SaaS business at the very heart of industry innovation, is assembling a brand-new greenfield engineering team to drive a major technical transformation. With an ambitious target of uplifting senior engineering capability by 50%, this is a unique opportunity to play a pivotal role in shaping the future of their platforms. This is not just another developer role its a genuine career-defining moment to contribute to enterprise-scale SaaS products, solve complex engineering challenges, and help unlock the next phase of growth. Why apply? * Be part of a greenfield team within an already profitable enterprise. * Deliver next-generation SaaS solutions in a highly scalable cloud-first environment. * Work with cutting-edge technologies .NET 8, C# 14, Azure, React, SQL Server, Microservices, CI/CD pipelines.
Our client, a highly profitable enterprise SaaS business at the very heart of industry innovation, is assembling a brand-new greenfield engineering team to drive a major technical transformation. With an ambitious target of uplifting senior engineering capability by 50%, this is a unique opportunity to play a pivotal role in shaping the future of their platforms. This is not just another developer role its a genuine career-defining moment to contribute to enterprise-scale SaaS products, solve complex engineering challenges, and help unlock the next phase of growth. Why apply? * Be part of a greenfield team within an already profitable enterprise. * Deliver next-generation SaaS solutions in a highly scalable cloud-first environment. * Work with cutting-edge technologies .NET 8, C# 14, Azure, React, SQL Server, Microservices, CI/CD pipelines.
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Contract: Until end of 2025, rolling extensions - Inside IR35 - Were partnering with a leading financial services client in Sheffield who are seeking a Skilled Python Developer to join their team. Youll be instrumental in building scalable automation solutions to streamline and optimise database operations. This is a hybrid role (3 days per week in Sheffield), offering an initial contract until the end of the year with strong potential for rolling extensions. * Design, develop, and maintain automation solutions for database operations and rollouts * Build and integrate APIs for database management and automation workflows * Troubleshoot automation issues across scripting, APIs, and containerised environments * Proven experience in Python development & FastAPI * Strong knowledge of PostgreSQL database administration * Excellent problem-solving, debugging, and analytica
Contract: Until end of 2025, rolling extensions - Inside IR35 - Were partnering with a leading financial services client in Sheffield who are seeking a Skilled Python Developer to join their team. Youll be instrumental in building scalable automation solutions to streamline and optimise database operations. This is a hybrid role (3 days per week in Sheffield), offering an initial contract until the end of the year with strong potential for rolling extensions. * Design, develop, and maintain automation solutions for database operations and rollouts * Build and integrate APIs for database management and automation workflows * Troubleshoot automation issues across scripting, APIs, and containerised environments * Proven experience in Python development & FastAPI * Strong knowledge of PostgreSQL database administration * Excellent problem-solving, debugging, and analytica