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3 Contract API jobs in Huddersfield + 20 miles
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API and contract testing: Pact for consumer-driven contract testing and Bruno for API test development and validation.
API and contract testing: Pact for consumer-driven contract testing and Bruno for API test development and validation.
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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
Strong understanding of RESTful API design and integration.
Strong understanding of RESTful API design and integration.
4 exact matches jobs are outside your preferred location
APIs RESTful API development and consumption
APIs RESTful API development and consumption
Internal use only - Grade D - About us - Were the team behind digital retailer Very. Our purpose, helping families get more out of life, powers everything we do. And we want our people to get more out of life too! If youre high-performing, ambitious and make the most of every opportunity, we want to hear from you. In return, youll enjoy heaps of flexibility, great perks and benefits, and the freedom to be yourself, keep learning and take your career wherever you want it to go. If you love making a difference, youll love making it sparkle for millions of Very customers. About the Teams - Our software engineering teams are responsible for designing, building, integrating, and managing technology across all products and functions. They focus on developing secure, highly available, cloud-based solutions, utilising open-source technologies where appropriate.
Internal use only - Grade D - About us - Were the team behind digital retailer Very. Our purpose, helping families get more out of life, powers everything we do. And we want our people to get more out of life too! If youre high-performing, ambitious and make the most of every opportunity, we want to hear from you. In return, youll enjoy heaps of flexibility, great perks and benefits, and the freedom to be yourself, keep learning and take your career wherever you want it to go. If you love making a difference, youll love making it sparkle for millions of Very customers. About the Teams - Our software engineering teams are responsible for designing, building, integrating, and managing technology across all products and functions. They focus on developing secure, highly available, cloud-based solutions, utilising open-source technologies where appropriate.
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Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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Senior GraphQL Engineer (Federation) TypeScript | Node.js | Kubernetes
Senior GraphQL Engineer (Federation) TypeScript | Node.js | Kubernetes
Staffworx Limited
UK
MARKET RATES, OUTSIDE IR35, hybrid, 2 days on site week
Own end-to-end GraphQL API delivery: schema design through to production integration, focusing on performance, maintainability, security, and scalability. * Strong commercial experience delivering Federated GraphQL in production (schema-first design, supergraph/subgraph architecture, resolvers, schema governance, and API evolution). * Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end).
Own end-to-end GraphQL API delivery: schema design through to production integration, focusing on performance, maintainability, security, and scalability. * Strong commercial experience delivering Federated GraphQL in production (schema-first design, supergraph/subgraph architecture, resolvers, schema governance, and API evolution). * Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end).
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FEATURED
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Role description:C#/React Full-Stack Senior Engineer * 5+ years of experience in software development using C#, NET Core, React,Typescript and related technologies - At BlackRock, we are looking for a C#/React Full-Stack Senior Engineerwho likes to innovate and solve complex problems. In the last few years, the team has undergone a significant evolution in its technology stack to focus on C#, ASP.Net and React. To meet the increased demands on the team, there is the opportunity for a senior engineer to join continue driving the successful delivery of high-profile solutions and the technology evolution. We work with modern tooling (.Net 10 / React 18) and have the freedom to select the best tools and innovate to solve any problem. About this role - Are you interested in building innovative technology that shapes the financial markets?
Role description:C#/React Full-Stack Senior Engineer * 5+ years of experience in software development using C#, NET Core, React,Typescript and related technologies - At BlackRock, we are looking for a C#/React Full-Stack Senior Engineerwho likes to innovate and solve complex problems. In the last few years, the team has undergone a significant evolution in its technology stack to focus on C#, ASP.Net and React. To meet the increased demands on the team, there is the opportunity for a senior engineer to join continue driving the successful delivery of high-profile solutions and the technology evolution. We work with modern tooling (.Net 10 / React 18) and have the freedom to select the best tools and innovate to solve any problem. About this role - Are you interested in building innovative technology that shapes the financial markets?
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Senior Full Stack Developer - Remote - Competitive Salary - I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. * 5+ years' commercial software development experience - This is a standout opportunity for a senior engineer who values secure architecture, clean code, and modern Azure cloud engineering. This is an excellent opportunity for an experienced full-stack engineer who thrives in structured architectural environments and enjoys building scalable, enterprise-grade systems using the latest .NET and Angular technologies. Key Responsibilities * Designing and developing scalable backend services using .NET 10 and ASP.NET Core Web APIs * Building and maintaining Angular 21 front-end applications using DevExpress DevExtreme v25
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