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3 Contract API jobs in South Yorkshire + 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
Site Ops & Automation Engineer (Specialist I - Software Engineering)
Site Ops & Automation Engineer (Specialist I - Software Engineering)
UST Global
Leicester, Leicestershire
Competitive
2 Openings LEICESTER - Role description - Site Ops & Automation Engineer - UST is recruiting a Site Ops AI & Automation Engineer to join the Developments team and drive AI innovation . About the role - As the Site Ops AI & Automation Engineer, youll play a key role in transforming operations by integrating automation and AI into daily workflows. Youll streamline repetitive tasks, enhance accuracy, and accelerate decision-making using cutting edge tools and data analysis. Embedded in the Site Operations team, youll drive an automation first culture by building smart, practical solutions that reduce manual effort and prepare the organisation for more advanced AI adoption - What you will do - Business Process Automation * Identify repetitive or manual business processes across multiple teams within the department where automation could support efficiency and reduce errors.
2 Openings LEICESTER - Role description - Site Ops & Automation Engineer - UST is recruiting a Site Ops AI & Automation Engineer to join the Developments team and drive AI innovation . About the role - As the Site Ops AI & Automation Engineer, youll play a key role in transforming operations by integrating automation and AI into daily workflows. Youll streamline repetitive tasks, enhance accuracy, and accelerate decision-making using cutting edge tools and data analysis. Embedded in the Site Operations team, youll drive an automation first culture by building smart, practical solutions that reduce manual effort and prepare the organisation for more advanced AI adoption - What you will do - Business Process Automation * Identify repetitive or manual business processes across multiple teams within the department where automation could support efficiency and reduce errors.
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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).