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58 API jobs in West Yorkshire + 20 miles
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Cloud Application Developer - Azure API Management | Leeds (Hybrid) Are you an experienced Cloud Application Developer with strong skills in Azure API Management? * Own API design & management using Azure API Management - you'll be the subject-matter expert in this space. * Strong, proven experience with Azure API Management (essential). * Knowledge of RESTful API design principles and OpenAPI.
Cloud Application Developer - Azure API Management | Leeds (Hybrid) Are you an experienced Cloud Application Developer with strong skills in Azure API Management? * Own API design & management using Azure API Management - you'll be the subject-matter expert in this space. * Strong, proven experience with Azure API Management (essential). * Knowledge of RESTful API design principles and OpenAPI.
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Senior .NET C# Azure Developer
Senior .NET C# Azure Developer
Leeds Building Society
LS1, Leeds, LS1 4BJ
£57,000 to £65,000/Negotiable
You are highly experienced in C#, .NET framework, .NET Core, Azure, API's and SQL Server.
You are highly experienced in C#, .NET framework, .NET Core, Azure, API's and SQL Server.
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RESTful design and API Gateway tools (Apigee or equivalent)
RESTful design and API Gateway tools (Apigee or equivalent)
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Strong experience with REST APIs, Streaming API, CDC, and Platform Events.
Strong experience with REST APIs, Streaming API, CDC, and Platform Events.
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Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use.
Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use.
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Security & Integration: Strong background in platform security, integration frameworks, and secure API provisioning.
Security & Integration: Strong background in platform security, integration frameworks, and secure API provisioning.
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Contract Backend Engineer
Contract Backend Engineer
BIOMETRIC TALENT
M3, Manchester
£400 per day £400 per day Outside IR35 - Fully Remote role
API Development: Develop and optimize APIs and tools to ensure seamless interaction between our platform and customer systems. * Proficiency in unit, integration, and API testing using Jest. * AWS Services: Lambda, SQS, S3, Cognito, EventBridge, CloudFormation, Fargate, SES, CodeBuild, CodePipeline, CloudFront, API Gateway, and more.
API Development: Develop and optimize APIs and tools to ensure seamless interaction between our platform and customer systems. * Proficiency in unit, integration, and API testing using Jest. * AWS Services: Lambda, SQS, S3, Cognito, EventBridge, CloudFormation, Fargate, SES, CodeBuild, CodePipeline, CloudFront, API Gateway, and more.
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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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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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Microservice and API-led architecture and integration design tools, techniques and best practice. * API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC.
Microservice and API-led architecture and integration design tools, techniques and best practice. * API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC.
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Integration Manager
Integration Manager
StepChange Debt Charity
LS2, Leeds, LS2 8ER
£70,000 per annum Plus full benefits package
You have proven expertise in system integration, API design, and AWS cloud-native technologies like Lambda, API Gateway, and Step Functions.
You have proven expertise in system integration, API design, and AWS cloud-native technologies like Lambda, API Gateway, and Step Functions.
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Familiarity with API-first design and OpenAPI documentation
Familiarity with API-first design and OpenAPI documentation
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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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Leveraging CloudFront, Route 53, and API Gateway for secure and scalable content delivery
Leveraging CloudFront, Route 53, and API Gateway for secure and scalable content delivery
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EIS Service and Support G7 Platform Operations Manager
EIS Service and Support G7 Platform Operations Manager
H M Revenue & Customs (HMRC)
UK
From £56,344 to £62,590 per annum
EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
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Lead Full Stack Engineer
Lead Full Stack Engineer
BIOMETRIC TALENT
M3, Manchester
Up to £90,000 per annum up to £90,000 - FULLY REMOTE UK ROLE
Deep expertise in TypeScript, ReactJS, Node.js, and RESTful API development. * Proficient in AWS cloud services especially Lambda, SQS, S3, Cognito, API Gateway, EventBridge, etc.
Deep expertise in TypeScript, ReactJS, Node.js, and RESTful API development. * Proficient in AWS cloud services especially Lambda, SQS, S3, Cognito, API Gateway, EventBridge, etc.
Develop Python scripts, AWS Lambda, and REST API integrations
Develop Python scripts, AWS Lambda, and REST API integrations
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Senior Developer (SPA Web Development)
Senior Developer (SPA Web Development)
DCV Technologies Limited
Spring Gardens, M2
From £55,000 to £70,000 per annum
Rest-based API interactions
Rest-based API interactions
Senior .Net Developer
Senior .Net Developer
Invitise Ltd
M1, Manchester
From £50,000 to £60,000 per annum + Excellent Benefits
Were looking for a Senior .Net Developer for our professional services client based in Manchester on a permanent basis, paying between £50,000 to £60,000 per annum + great benefits. This role allows remote working with occasional site visits. Youll be working as part of a small, agile team, helping design and develop internal applications and new products using the latest .NET stack. This is a hands-on full-stack role, ideal for someone who enjoys solving business problems with clean, scalable code and mentoring junior team members. You will need to either hold a current UK Right to Work or have the ability to work without sponsorship. * C# and .NET (Core/Framework) * Angular (or modern JavaScript front-end frameworks) * SQL Server and Entity Framework * Docker & AWS ECS * Architecture & Design * Event-driven architecture (e.g. RabbitMQ) * RESTful APIs and microservic
Were looking for a Senior .Net Developer for our professional services client based in Manchester on a permanent basis, paying between £50,000 to £60,000 per annum + great benefits. This role allows remote working with occasional site visits. Youll be working as part of a small, agile team, helping design and develop internal applications and new products using the latest .NET stack. This is a hands-on full-stack role, ideal for someone who enjoys solving business problems with clean, scalable code and mentoring junior team members. You will need to either hold a current UK Right to Work or have the ability to work without sponsorship. * C# and .NET (Core/Framework) * Angular (or modern JavaScript front-end frameworks) * SQL Server and Entity Framework * Docker & AWS ECS * Architecture & Design * Event-driven architecture (e.g. RabbitMQ) * RESTful APIs and microservic
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Senior Back-End Developer - C# / .NET / SQL Server * C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git * Salary up to £65k * Onsite in Central Manchester * Excellent career progression - Who We Are - We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base. Our developer-led culture values clean, maintainable code, innovation, and continuous learning. With an ambitious roadmap ahead, we're expanding our back-end capabilities and looking for a Senior Developer to help shape and deliver our next generation of features. Who We're Seeking - We're looking for a Senior Back-End Developer with deep expertise in C# (.NET 6+) and SQL Server, plus strong experience building and maintaining RESTful and GraphQL APIs. You'll work in a collaborative agile environment, contributing to the full development lifecycle from concept to de
Senior Back-End Developer - C# / .NET / SQL Server * C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git * Salary up to £65k * Onsite in Central Manchester * Excellent career progression - Who We Are - We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base. Our developer-led culture values clean, maintainable code, innovation, and continuous learning. With an ambitious roadmap ahead, we're expanding our back-end capabilities and looking for a Senior Developer to help shape and deliver our next generation of features. Who We're Seeking - We're looking for a Senior Back-End Developer with deep expertise in C# (.NET 6+) and SQL Server, plus strong experience building and maintaining RESTful and GraphQL APIs. You'll work in a collaborative agile environment, contributing to the full development lifecycle from concept to de
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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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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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Senior Full Stack Engineer
Senior Full Stack Engineer
Daniel James Resourcing Ltd
Manchester, Greater Manchester, M60 7RA
£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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Pay up to £71,017, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Digital with Purpose. We are looking for a Senior Performance Test 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? * Significant demonstrable experience Performance Test Engineer / Lead in an agile team with a pragmatic, strategic mindset with focus on
Pay up to £71,017, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Digital with Purpose. We are looking for a Senior Performance Test 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? * Significant demonstrable experience Performance Test Engineer / Lead in an agile team with a pragmatic, strategic mindset with focus on
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