Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
45 Contract API jobs in West Yorkshire + 20 miles
)
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
)
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
)
Implementation Specialist – E-Invoicing
Implementation Specialist – E-Invoicing
Stackstudio Digital Ltd.
Manchester (M1)
From £300 to £350 per day
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
)
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
)
Mobile Backend Developer - Kotlin and java - Manchester, UK
Mobile Backend Developer - Kotlin and java - Manchester, UK
Infoplus Technologies UK Ltd
Manchester (M4)
Unspecified
Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design * Understanding of API design for mobile application with event driven architecture * Other technologies/areas: AWS, API Design, Automation testing
Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design * Understanding of API design for mobile application with event driven architecture * Other technologies/areas: AWS, API Design, Automation testing
Senior Automation Tester - Flutter, Agentic AI & API Systems
Senior Automation Tester - Flutter, Agentic AI & API Systems
DeliveryApp
Manchester, Greater Manchester
Competitive
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
APIs RESTful API development and consumption
APIs RESTful API development and consumption
Strong database and API development experience
Strong database and API development experience
Are technical proficient in API integration using JavaScript, TypeScript, or Python
Are technical proficient in API integration using JavaScript, TypeScript, or Python
Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway)
Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway)
Proven expertise designing and implementing automated testing frameworks across functional, API, integration and regression testing.
Proven expertise designing and implementing automated testing frameworks across functional, API, integration and regression testing.
Knowledge of API connections and Python script is highly desirable.
Knowledge of API connections and Python script is highly desirable.
Software Engineer (.net / Angular)
Software Engineer (.net / Angular)
Vix Technology Ltd
Manchester, Greater Manchester
£35,000 - £50,000 a year
Experienced in use of AWS services such as API Gateway, SNS, SQS, ECS, S3.
Experienced in use of AWS services such as API Gateway, SNS, SQS, ECS, S3.
Hybrid Working Manchester based (1 day/week in office) * 12 Months FTC - The Company - At Amber Labs, we are a cutting-edge UK technology consultancy that empowers autonomy, promotes experimentation, and enables rapid learning to deliver exceptional value to our clients. Collaboration is at the heart of everything we do, with our cross-functional consultants, engineers, and analysts working together to shorten delivery times, minimise risk, and drive impactful results for high-profile government and commercial programmes. About the Role - We are seeking an experienced Lead Software Developer to support a major UK public sector body, leading the design and development of scalable, secure, and efficient backend services. You will champion engineering excellence, guide technical decision-making, and mentor a multidisciplinary team while ensuring solutions align with government ...
Hybrid Working Manchester based (1 day/week in office) * 12 Months FTC - The Company - At Amber Labs, we are a cutting-edge UK technology consultancy that empowers autonomy, promotes experimentation, and enables rapid learning to deliver exceptional value to our clients. Collaboration is at the heart of everything we do, with our cross-functional consultants, engineers, and analysts working together to shorten delivery times, minimise risk, and drive impactful results for high-profile government and commercial programmes. About the Role - We are seeking an experienced Lead Software Developer to support a major UK public sector body, leading the design and development of scalable, secure, and efficient backend services. You will champion engineering excellence, guide technical decision-making, and mentor a multidisciplinary team while ensuring solutions align with government ...
You will also advance the core rendering technology that aspires to achieve photo-real visuals, such as physically based light, eye and lens simulations, as well as more low-level engine technologies such as shader building & compilation, content streaming systems, and the multi-threaded and cross-API renderer architecture.
You will also advance the core rendering technology that aspires to achieve photo-real visuals, such as physically based light, eye and lens simulations, as well as more low-level engine technologies such as shader building & compilation, content streaming systems, and the multi-threaded and cross-API renderer architecture.
API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
Strong understanding of RESTful API design and integration.
Strong understanding of RESTful API design and integration.
Youll join our product and engineering team, working on a modern front-end application built with Nuxt that sits on top of our Django-powered API.
Youll join our product and engineering team, working on a modern front-end application built with Nuxt that sits on top of our Django-powered API.
Collaborating with engineers to ensure training features (Python/Pandas) can be reproduced with zero skew in production (SQL/API)
Collaborating with engineers to ensure training features (Python/Pandas) can be reproduced with zero skew in production (SQL/API)
General Information Locations : Manchester, Cheshire, United Kingdom - Role ID 210658 Worker Type Regular Employee Studio/Department EA Mobile - Playdemic Work Model Hybrid Description & Requirements Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen. Just 13 miles south of Manchester and a 15-minute train journey, is the attractive market town of Wilmslow. Here amongst the boutique shops and independent cafes and bars is the stunning Playdemic studio. Acquired by EA in 2021, Playdemic is home to the top 10 grossing, BAFTA-winning mobile smash Golf Clash.
General Information Locations : Manchester, Cheshire, United Kingdom - Role ID 210658 Worker Type Regular Employee Studio/Department EA Mobile - Playdemic Work Model Hybrid Description & Requirements Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen. Just 13 miles south of Manchester and a 15-minute train journey, is the attractive market town of Wilmslow. Here amongst the boutique shops and independent cafes and bars is the stunning Playdemic studio. Acquired by EA in 2021, Playdemic is home to the top 10 grossing, BAFTA-winning mobile smash Golf Clash.
Senior / Mid Level Software Developers
Senior / Mid Level Software Developers
James and James Fulfilment
Manchester, Greater Manchester
£50,000 - £70,000 a year
Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
Senior / Mid Level Software Developers
Senior / Mid Level Software Developers
James and James Fulfilment
Leeds, West Yorkshire
£50,000 - £70,000 a year
Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter