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32 API jobs in West Yorkshire + 20 miles
Develop APIs and integration solutions (API Gateway, OAuth2, JWT) * Proven API & integration expertise
Develop APIs and integration solutions (API Gateway, OAuth2, JWT) * Proven API & integration expertise
PREMIUM
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Java Software Developer (Inside IR35) - Contract
Java Software Developer (Inside IR35) - Contract
Stealth IT Consulting Limited
Manchester (M1)
Up to £476 per day Up to £476 per day
Contribute to API development, integration, and backend service build.
Contribute to API development, integration, and backend service build.
FEATURED
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You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. * Implement secure authentication mechanisms (JWT, OAuth2, API Keys) * Maintain and publish API documentation via Swagger / OpenAPI * Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS) * Collaborate with database, infrastructure, and QA teams for portal and API releases * ASP.NET MVC or .NET Core Web API * REST API expertise and integration (HttpClient, RestSharp, JSON serialization/deserialization, CORS, HTTPS, API security) * Experience with fintech or payments API integration * Performance optimization and API rate-handling
You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. * Implement secure authentication mechanisms (JWT, OAuth2, API Keys) * Maintain and publish API documentation via Swagger / OpenAPI * Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS) * Collaborate with database, infrastructure, and QA teams for portal and API releases * ASP.NET MVC or .NET Core Web API * REST API expertise and integration (HttpClient, RestSharp, JSON serialization/deserialization, CORS, HTTPS, API security) * Experience with fintech or payments API integration * Performance optimization and API rate-handling
FEATURED
Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine).
Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine).
NEWPREMIUM
Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine).
Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine).
NEWPREMIUM
Collaborate closely with UX, API and system engineering teams to translate design into production-grade front-end code.
Collaborate closely with UX, API and system engineering teams to translate design into production-grade front-end code.
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Manage and support API integrations using Apigee. * Strong understanding of API management using Apigee.
Manage and support API integrations using Apigee. * Strong understanding of API management using Apigee.
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Front End Developer
Front End Developer
Anson Mccade
Manchester (M1)
From £50,000 to £72,000 per annum + £7,000 tax free DV Bonus + 10% bon
Practical experience with Node.js and API integration
Practical experience with Node.js and API integration
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Senior Automation Tester Up to £55,000 Fully Remote Node.js TypeScript
Senior Automation Tester Up to £55,000 Fully Remote Node.js TypeScript
Forward Role
Manchester, Greater Manchester
£48k - 55k per year
Building and maintaining automated test suites across web, API and integration layers
Building and maintaining automated test suites across web, API and integration layers
FEATURED
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Performing advanced technical activities such as migrations, security audits, manipulation through API's, etc.
Performing advanced technical activities such as migrations, security audits, manipulation through API's, etc.
Experience with API contract testing, Pact, JSON Schema or equivalent
Experience with API contract testing, Pact, JSON Schema or equivalent
FEATURED
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A consultancy we are working with are looking for a Senior .NET Developer to support and enhance a suite of business critical applications. This is a backend-focused role, and the successful candidate must be able to take ownership quickly and deliver impact from day one. Key Responsibilities * Develop and maintain complex backend systems using C# / .NET Core * Design and support RESTful APIs and microservices * Build and maintain CI/CD pipelines (Azure DevOps, YAML, Terraform) * Deliver integration and data migration solutions - Essential Skills * 10+ years' C# / .NET Core (backend-heavy systems) * Strong Azure experience (Functions, Web Apps, DevOps, CI/CD) * REST APIs and microservices architecture * Experience with complex, data-driven or integration-heavy environments - Desirable * RabbitMQ or Azure Service Bus * React or Angular * ETL / data integration
A consultancy we are working with are looking for a Senior .NET Developer to support and enhance a suite of business critical applications. This is a backend-focused role, and the successful candidate must be able to take ownership quickly and deliver impact from day one. Key Responsibilities * Develop and maintain complex backend systems using C# / .NET Core * Design and support RESTful APIs and microservices * Build and maintain CI/CD pipelines (Azure DevOps, YAML, Terraform) * Deliver integration and data migration solutions - Essential Skills * 10+ years' C# / .NET Core (backend-heavy systems) * Strong Azure experience (Functions, Web Apps, DevOps, CI/CD) * REST APIs and microservices architecture * Experience with complex, data-driven or integration-heavy environments - Desirable * RabbitMQ or Azure Service Bus * React or Angular * ETL / data integration
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A growing digital consultancy is looking for experienced Java Developers to join multidisciplinary teams delivering large-scale digital platforms used by thousands of users across the UK. Youll be working in agile teams alongside engineers, designers and product specialists to build modern, user-focused services. The work involves designing, building and improving cloud-based applications that support critical digital services. This is a hands-on engineering role with a strong focus on clean code, collaboration and delivering high-quality software in fast-moving environments. What youll be doing * Building and maintaining Java-based backend services using modern frameworks * Designing scalable APIs and microservices used by high-traffic digital platforms * Working in agile delivery teams alongside product managers, designers and other engineers
A growing digital consultancy is looking for experienced Java Developers to join multidisciplinary teams delivering large-scale digital platforms used by thousands of users across the UK. Youll be working in agile teams alongside engineers, designers and product specialists to build modern, user-focused services. The work involves designing, building and improving cloud-based applications that support critical digital services. This is a hands-on engineering role with a strong focus on clean code, collaboration and delivering high-quality software in fast-moving environments. What youll be doing * Building and maintaining Java-based backend services using modern frameworks * Designing scalable APIs and microservices used by high-traffic digital platforms * Working in agile delivery teams alongside product managers, designers and other engineers
A growing digital consultancy is looking for experienced Java Developers to join multidisciplinary teams delivering large-scale digital platforms used by thousands of users across the UK. Youll be working in agile teams alongside engineers, designers and product specialists to build modern, user-focused services. The work involves designing, building and improving cloud-based applications that support critical digital services. This is a hands-on engineering role with a strong focus on clean code, collaboration and delivering high-quality software in fast-moving environments. What youll be doing * Building and maintaining Java-based backend services using modern frameworks * Designing scalable APIs and microservices used by high-traffic digital platforms * Working in agile delivery teams alongside product managers, designers and other engineers
A growing digital consultancy is looking for experienced Java Developers to join multidisciplinary teams delivering large-scale digital platforms used by thousands of users across the UK. Youll be working in agile teams alongside engineers, designers and product specialists to build modern, user-focused services. The work involves designing, building and improving cloud-based applications that support critical digital services. This is a hands-on engineering role with a strong focus on clean code, collaboration and delivering high-quality software in fast-moving environments. What youll be doing * Building and maintaining Java-based backend services using modern frameworks * Designing scalable APIs and microservices used by high-traffic digital platforms * Working in agile delivery teams alongside product managers, designers and other engineers
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Full Stack Developer
Full Stack Developer
Erin Associates
Blackburn (BB1), BB1
£40000 - £45000 per annum, Benefits Pension, Holiday Buy/Sell scheme,
This advanced solutions provider requires a driven and self-motivated Full Stack Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining architecture and development standards by building high-performing, and maintainable code bases * Improving deployment pipelines, engineering practices and CI/CD workflows * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong full stack web development experience * Strong experience with JavaScript, TypeScript and modern frameworks (React) * Experience providing scalable front-end architectures
This advanced solutions provider requires a driven and self-motivated Full Stack Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining architecture and development standards by building high-performing, and maintainable code bases * Improving deployment pipelines, engineering practices and CI/CD workflows * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong full stack web development experience * Strong experience with JavaScript, TypeScript and modern frameworks (React) * Experience providing scalable front-end architectures
FEATURED
Front-End Developer
Front-End Developer
Erin Associates
Blackburn (BB1), BB1
£40000 - £45000 per annum, Benefits Pension, holiday buy/sell scheme,
Full Stack, Developer, React, TypeScript, JavaScript, Blackburn, Lancashire, North West - This advanced solutions provider requires a driven and self-motivated Front-End Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining front-end architecture and development standards using best practices * Building secure and maintainable codebases using modern React and TypeScript * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong front-end web development experience * Strong experience with React
Full Stack, Developer, React, TypeScript, JavaScript, Blackburn, Lancashire, North West - This advanced solutions provider requires a driven and self-motivated Front-End Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining front-end architecture and development standards using best practices * Building secure and maintainable codebases using modern React and TypeScript * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong front-end web development experience * Strong experience with React
FEATURED
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Full Stack Software Engineer
Full Stack Software Engineer
Sanderson Government and Defence
Manchester (M1), M1
£45000 - £50000 per annum
Location: Manchester (Hybrid - 2 days onsite per week) Salary: £50,000 + benefits - Clearance: Active SC clearance required (must be eligible to undergo high levels of security clearance) About the Role - Sanderson Government & Defence is supporting a highly respected technology and engineering organisation delivering mission-critical solutions into the UK National Security domain. This is an opportunity to work on impactful, cutting-edge systems that protect people, platforms, and sensitive information against evolving threats. You'll be developing innovative products at the intersection of digital and physical systems, contributing to projects that genuinely make a difference. What You'll Be Doing * Designing, developing, and maintaining full stack applications using modern technologies * Writing clean, secure, and test-driven code
Location: Manchester (Hybrid - 2 days onsite per week) Salary: £50,000 + benefits - Clearance: Active SC clearance required (must be eligible to undergo high levels of security clearance) About the Role - Sanderson Government & Defence is supporting a highly respected technology and engineering organisation delivering mission-critical solutions into the UK National Security domain. This is an opportunity to work on impactful, cutting-edge systems that protect people, platforms, and sensitive information against evolving threats. You'll be developing innovative products at the intersection of digital and physical systems, contributing to projects that genuinely make a difference. What You'll Be Doing * Designing, developing, and maintaining full stack applications using modern technologies * Writing clean, secure, and test-driven code
FEATURED
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Location: Leeds (Hybrid 3 days onsite) Contract: 3 Months (Immediate Start) Rate: Competitive (Market Rates) The Opportunity - We are working with a leading global technology consultancy to recruit an AI Product Developer for a high-impact engagement within the financial services sector. This is an excellent opportunity to work on cutting-edge AI solutions, designing and delivering Copilot and LLM-powered products within a rapidly evolving AI Foundry environment. You will play a key role in shaping scalable, secure, and enterprise-grade AI capabilities. What Youll Be Doing - Designing and building Copilot solutions, intelligent agents, and LLM workflows - Developing scalable AI components including RAG pipelines, embeddings, and vector search - Integrating AI solutions into enterprise systems, APIs, and cloud platforms
Location: Leeds (Hybrid 3 days onsite) Contract: 3 Months (Immediate Start) Rate: Competitive (Market Rates) The Opportunity - We are working with a leading global technology consultancy to recruit an AI Product Developer for a high-impact engagement within the financial services sector. This is an excellent opportunity to work on cutting-edge AI solutions, designing and delivering Copilot and LLM-powered products within a rapidly evolving AI Foundry environment. You will play a key role in shaping scalable, secure, and enterprise-grade AI capabilities. What Youll Be Doing - Designing and building Copilot solutions, intelligent agents, and LLM workflows - Developing scalable AI components including RAG pipelines, embeddings, and vector search - Integrating AI solutions into enterprise systems, APIs, and cloud platforms
FEATURED
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Head of Client Engineering / Solution Architecture
Head of Client Engineering / Solution Architecture
We Are Dcoded Limited
Manchester (M1)
Up to £115000.00 per annum
Head of Solution Architecture / Head of Engineering - Manchester - As Head of Solution Architecture / Head of Engineering, you will own the design quality, architectural consistency, and governance of all client delivery across a SaaS fintech environment. You will define how products are implemented and integrated, ensuring solutions are scalable, repeatable, and aligned to modern engineering standards. You will act as the senior technical authority across client engagements, owning architecture, challenging requirements, and ensuring solutions are robust, supportable, and built for long-term evolution. This role requires a strong communicator who can translate complex technical concepts for both engineering teams and senior client stakeholders. Working closely with Product, Engineering, and Delivery, you will ensure alignment to platform strategy while maintaining ...
Head of Solution Architecture / Head of Engineering - Manchester - As Head of Solution Architecture / Head of Engineering, you will own the design quality, architectural consistency, and governance of all client delivery across a SaaS fintech environment. You will define how products are implemented and integrated, ensuring solutions are scalable, repeatable, and aligned to modern engineering standards. You will act as the senior technical authority across client engagements, owning architecture, challenging requirements, and ensuring solutions are robust, supportable, and built for long-term evolution. This role requires a strong communicator who can translate complex technical concepts for both engineering teams and senior client stakeholders. Working closely with Product, Engineering, and Delivery, you will ensure alignment to platform strategy while maintaining ...
Front-End Developer
Front-End Developer
Erin Associates
Blackburn (BB1), BB1
£40000 - £45000 per annum, Benefits Pension, holiday buy/sell scheme,
Full Stack, Developer, React, TypeScript, JavaScript, Blackburn, Lancashire, North West - This advanced solutions provider requires a driven and self-motivated Front-End Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining front-end architecture and development standards using best practices * Building secure and maintainable codebases using modern React and TypeScript * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong front-end web development experience * Strong experience with React
Full Stack, Developer, React, TypeScript, JavaScript, Blackburn, Lancashire, North West - This advanced solutions provider requires a driven and self-motivated Front-End Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining front-end architecture and development standards using best practices * Building secure and maintainable codebases using modern React and TypeScript * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong front-end web development experience * Strong experience with React
FEATURED
Full Stack Developer
Full Stack Developer
Erin Associates
Blackburn (BB1), BB1
£40000 - £45000 per annum, Benefits Pension, Holiday Buy/Sell scheme,
This advanced solutions provider requires a driven and self-motivated Full Stack Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining architecture and development standards by building high-performing, and maintainable code bases * Improving deployment pipelines, engineering practices and CI/CD workflows * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong full stack web development experience * Strong experience with JavaScript, TypeScript and modern frameworks (React) * Experience providing scalable front-end architectures
This advanced solutions provider requires a driven and self-motivated Full Stack Developer to join their busy technical team and motivate those around them. They are based inBlackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms. * Defining architecture and development standards by building high-performing, and maintainable code bases * Improving deployment pipelines, engineering practices and CI/CD workflows * Collaborating with product, leadership and marketing teams * Mentoring junior developers and providing code reviews * Overseeing integrations with APIs and driving performance optimisation * Strong full stack web development experience * Strong experience with JavaScript, TypeScript and modern frameworks (React) * Experience providing scalable front-end architectures
FEATURED
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Software Developer
Software Developer
Get Recruited (UK) Ltd
Barnsley, South Yorkshire, BBTE
£38000.00 - £42000.00 per annum
UP TO £42,000 + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. * Building and maintaining PHP applications used in production. * Adding and improving JavaScript functionality to support straightforward user journeys. * Designing and maintaining MariaDB databases, with attention to performance and data accuracy. * Making sure applications are secure, reliable and auditable. * Investigating and fixing issues in live environments with minimal disruption.
UP TO £42,000 + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. * Building and maintaining PHP applications used in production. * Adding and improving JavaScript functionality to support straightforward user journeys. * Designing and maintaining MariaDB databases, with attention to performance and data accuracy. * Making sure applications are secure, reliable and auditable. * Investigating and fixing issues in live environments with minimal disruption.
FEATURED
Full Stack Developer (React / Node.js) | Manchester | Hybrid -3 days onsite | £45,000 - £65,000 (DOE) | Permanent - I'm currently working with a growing Manchester-based tech business who are looking to add a Mid-Senior Level Full Stack Developer to their engineering team. This is a genuinely exciting opportunity to join a collaborative, modern engineering environment where you'll have ownership of features end-to-end and real input into technical decisions. The Role - You'll be working across a modern JavaScript stack, building and scaling applications used by a growing user base. The team operate in Agile squads and place a strong emphasis on clean code, performance, and continuous improvement. * Developing responsive front-end applications using React (TypeScript preferred) * Building scalable backend services and APIs using Node.js / Express
Full Stack Developer (React / Node.js) | Manchester | Hybrid -3 days onsite | £45,000 - £65,000 (DOE) | Permanent - I'm currently working with a growing Manchester-based tech business who are looking to add a Mid-Senior Level Full Stack Developer to their engineering team. This is a genuinely exciting opportunity to join a collaborative, modern engineering environment where you'll have ownership of features end-to-end and real input into technical decisions. The Role - You'll be working across a modern JavaScript stack, building and scaling applications used by a growing user base. The team operate in Agile squads and place a strong emphasis on clean code, performance, and continuous improvement. * Developing responsive front-end applications using React (TypeScript preferred) * Building scalable backend services and APIs using Node.js / Express
This is a flexible, hybrid role and can be based from either of our offices in Manchester or Southport. We also have largely remote options available. As a Software Engineer, you will analyse, develop and test all areas of the technology using the appropriate processes, methods and standards of the software development lifecycle (SDLC). Working in a scrum agile environment, Software Engineers provide technological steering and software advancement for Markerstudy, its clients, subsidiaries and other group members to meet project goals. You will be involved in all aspects of the development process, taking responsibility for your own work and working to ensure the success of the team’s sprints. A good communicator, you will be working directly with other areas of the business to meet project goals.
This is a flexible, hybrid role and can be based from either of our offices in Manchester or Southport. We also have largely remote options available. As a Software Engineer, you will analyse, develop and test all areas of the technology using the appropriate processes, methods and standards of the software development lifecycle (SDLC). Working in a scrum agile environment, Software Engineers provide technological steering and software advancement for Markerstudy, its clients, subsidiaries and other group members to meet project goals. You will be involved in all aspects of the development process, taking responsibility for your own work and working to ensure the success of the team’s sprints. A good communicator, you will be working directly with other areas of the business to meet project goals.
£Up to £80,000 GBP - Transport Allowance - Hybrid WORKING - Location: London; Manchester; Bristol, Manchester, North West - United Kingdom Type: Permanent - The Role - Data Engineer (DV Cleared) Join a consultancy recognised as a UK Great Place to Work year after year - a distinction that reflects its commitment to inclusion, engineering excellence and meaningful, purpose-led work across complex transformation programmes. Our client is a globally respected digital, data and technology consultancy operating at the intersection of strategy, innovation and advanced engineering. With over 4,000 experts across multiple sectors including defence, health, financial services and government, the client delivers large-scale transformation in environments where quality, agility and impact truly matter. As a Data Engineer, you will play a critical role within the client's Digital & Data ...
£Up to £80,000 GBP - Transport Allowance - Hybrid WORKING - Location: London; Manchester; Bristol, Manchester, North West - United Kingdom Type: Permanent - The Role - Data Engineer (DV Cleared) Join a consultancy recognised as a UK Great Place to Work year after year - a distinction that reflects its commitment to inclusion, engineering excellence and meaningful, purpose-led work across complex transformation programmes. Our client is a globally respected digital, data and technology consultancy operating at the intersection of strategy, innovation and advanced engineering. With over 4,000 experts across multiple sectors including defence, health, financial services and government, the client delivers large-scale transformation in environments where quality, agility and impact truly matter. As a Data Engineer, you will play a critical role within the client's Digital & Data ...
PREMIUM