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80 API jobs in West Yorkshire + 20 miles
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Advanced Power BI skills including DAX, M Query, Power Automate, Power Apps, and API integrations as well as SQL data modelling experience
Advanced Power BI skills including DAX, M Query, Power Automate, Power Apps, and API integrations as well as SQL data modelling experience
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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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Java Technical Architect - Inside IR35
Java Technical Architect - Inside IR35
LA International Computer Consultants Ltd
M1, Manchester
£550 - £590 per day
*Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
*Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
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Lead the architecture and engineering of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, DynamoDB, ECS, etc., to support large scale, high-throughput applications and enable real-time data processing. * Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
Lead the architecture and engineering of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, DynamoDB, ECS, etc., to support large scale, high-throughput applications and enable real-time data processing. * Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
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Lead the architecture and engineering of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, * Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
Lead the architecture and engineering of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, * Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
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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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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.
Experience with backend/API testing, microservices, or integration testing.
Experience with backend/API testing, microservices, or integration testing.
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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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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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2+ years with Vue.js (Composition API, TypeScript)
2+ years with Vue.js (Composition API, TypeScript)
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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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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.
6 Month contract initially - Based: Hybrid - Bradford (Max 3 days p/w onsite) Rate: Market rates (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Python Technical Architect. We are looking for a highly skilled Python Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Python expertise, and a passion for designing clean and robust architectures. Architect and design scalable, secure, and robust backend systems using Python. Define best practices and coding standards for development teams.
6 Month contract initially - Based: Hybrid - Bradford (Max 3 days p/w onsite) Rate: Market rates (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Python Technical Architect. We are looking for a highly skilled Python Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Python expertise, and a passion for designing clean and robust architectures. Architect and design scalable, secure, and robust backend systems using Python. Define best practices and coding standards for development teams.
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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
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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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