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        50 Contract API jobs in Bolton + 20 miles

        143 exact matches jobs are outside your preferred location

        WAF Automation Engineer

        Vallum Associates Limited
        Sheffield (S1), S1
        £500 per hour
        The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc API Integration and Management: Expertise in querying, integrating, and managing APIs. Capable of constructing and executing API calls for data retrieval, updates, and inter-service communication.
        The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc API Integration and Management: Expertise in querying, integrating, and managing APIs. Capable of constructing and executing API calls for data retrieval, updates, and inter-service communication.
        more
        Restful Design, working with API gateway and management platforms (Azure API Management)
        Restful Design, working with API gateway and management platforms (Azure API Management)
        more
        FEATURED

        Java Developer

        Hyperloop Recruitment
        Bryn-Y-Bal, Buckley (CH7), CH7 1FT
        £65,000
        Senior Java Developer £65,000 (DOE) North Wales (hybrid) Hyperloop Recruitment are working with a fast-growth tech firm based in North Wales, looking to bring a Senior Java Developer into their team. Working in a team of specialists, the successful candidate will be responsible for creating new solutions to business problems, creating new products whilst helping build and support our clients' core software and services. The role would suit a talented Java Developer with at least 5 years' commercial experience working with AWS and Java-based technologies, looking for an exciting new challenge. You will have broad fundamental knowledge across multiple domains and have the ability to adapt to new technologies if required. * Java 8+ * Spring Boot * AWS * Database technologies (PostgreSQL, Redis, Elastic Search) * RESTful APIs * JavaScript * Jira / Confluence * Unit testin
        Senior Java Developer £65,000 (DOE) North Wales (hybrid) Hyperloop Recruitment are working with a fast-growth tech firm based in North Wales, looking to bring a Senior Java Developer into their team. Working in a team of specialists, the successful candidate will be responsible for creating new solutions to business problems, creating new products whilst helping build and support our clients' core software and services. The role would suit a talented Java Developer with at least 5 years' commercial experience working with AWS and Java-based technologies, looking for an exciting new challenge. You will have broad fundamental knowledge across multiple domains and have the ability to adapt to new technologies if required. * Java 8+ * Spring Boot * AWS * Database technologies (PostgreSQL, Redis, Elastic Search) * RESTful APIs * JavaScript * Jira / Confluence * Unit testin
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        Dynamics 365 Architect

        Bright Purple Resourcing
        Liverpool (L1), L1
        Up to £90,000
        UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * Eligibility for SC Clearance Required - Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel
        UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * Eligibility for SC Clearance Required - Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel
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        Company Description - At bet365, we're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 9,000 people and serve over 100 million customers in 27 languages. Our focus on In-Play betting has solidified our market-leading position, offering an unmatched experience across 96 sports and 700,000 streaming events. With over 750 concurrent sporting fixtures at peak and more live sports streamed than anyone else in Europe, we handle over 6 billion HTTP requests daily and process more than 2 million bets per hour at peak. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of opportunities for growth, giving them the opportunity to make a real impact in the world of online gambli
        Company Description - At bet365, we're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 9,000 people and serve over 100 million customers in 27 languages. Our focus on In-Play betting has solidified our market-leading position, offering an unmatched experience across 96 sports and 700,000 streaming events. With over 750 concurrent sporting fixtures at peak and more live sports streamed than anyone else in Europe, we handle over 6 billion HTTP requests daily and process more than 2 million bets per hour at peak. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of opportunities for growth, giving them the opportunity to make a real impact in the world of online gambli
        more
        PREMIUM
        Company Description - At bet365, we're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 9,000 people and serve over 100 million customers in 27 languages. Our focus on In-Play betting has solidified our market-leading position, offering an unmatched experience across 96 sports and 700,000 streaming events. With over 750 concurrent sporting fixtures at peak and more live sports streamed than anyone else in Europe, we handle over 6 billion HTTP requests daily and process more than 2 million bets per hour at peak. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of opportunities for growth, giving them the opportunity to make a real impact in the world of online gambli
        Company Description - At bet365, we're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 9,000 people and serve over 100 million customers in 27 languages. Our focus on In-Play betting has solidified our market-leading position, offering an unmatched experience across 96 sports and 700,000 streaming events. With over 750 concurrent sporting fixtures at peak and more live sports streamed than anyone else in Europe, we handle over 6 billion HTTP requests daily and process more than 2 million bets per hour at peak. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of opportunities for growth, giving them the opportunity to make a real impact in the world of online gambli
        more
        PREMIUM
        Location: Remote - 1 day a month in the office, Manchester, Leeds or Sheffield are a very commutable distance to HQ - If you're the kind of developer who enjoys solving complex problems, building slick digital experiences, and leading from the front - this could be your next challenge. This growing online retailer (we can't name names, but you've almost definitely shopped with them) is looking for a Senior / Tech Lead Software Engineer to help shape the next generation of their eCommerce platform. You'll guide a small talented development team, take ownership of key projects, be no.2 to the Head of Engineering and make a real impact on how millions of customers shop online. * Leading software development projects from concept to delivery. * Designing scalable, high-performing architectures that keep things running smoothly.
        Location: Remote - 1 day a month in the office, Manchester, Leeds or Sheffield are a very commutable distance to HQ - If you're the kind of developer who enjoys solving complex problems, building slick digital experiences, and leading from the front - this could be your next challenge. This growing online retailer (we can't name names, but you've almost definitely shopped with them) is looking for a Senior / Tech Lead Software Engineer to help shape the next generation of their eCommerce platform. You'll guide a small talented development team, take ownership of key projects, be no.2 to the Head of Engineering and make a real impact on how millions of customers shop online. * Leading software development projects from concept to delivery. * Designing scalable, high-performing architectures that keep things running smoothly.
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        WordPress Developer

        Bright Purple Resourcing
        Liverpool (L1), L1
        £40,000 - £50,000
        Do you want your coding skills to make a real difference? Join a mission-driven tech-for-good organisation and help build websites and digital tools that positively impact communities. Were looking for a talented WordPress Developerto take ownership of digital platforms. Youll work on everything from themes and custom plugins to integrations and cloud-based solutions, ensuring the sites are fast, secure, and scalable. * Fully remote within the UK * Salary up to £50,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace * Professional development and clear career progression * Building and enhancing WordPress websites with clean, maintainable code * Collaborating with designers, content creators, and stakeholders to bring digital ideas to life
        Do you want your coding skills to make a real difference? Join a mission-driven tech-for-good organisation and help build websites and digital tools that positively impact communities. Were looking for a talented WordPress Developerto take ownership of digital platforms. Youll work on everything from themes and custom plugins to integrations and cloud-based solutions, ensuring the sites are fast, secure, and scalable. * Fully remote within the UK * Salary up to £50,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace * Professional development and clear career progression * Building and enhancing WordPress websites with clean, maintainable code * Collaborating with designers, content creators, and stakeholders to bring digital ideas to life
        more

        Front End Developer

        DFS Furniture Ltd
        Adwick, Doncaster (DN6), DN6 7NA
        Competitive salary based on skills and experience
        This is a hybrid role based at our Doncaster Group Support Centre, with 2-3 days a week onsite. As a Front-End Developer, youll be responsible for implementing UI/UX designs into fully functional, responsive web applications using modern front-end technologies. Youll collaborate with cross-functional teams to develop components and features that are performant, maintainable, scalable, and compliant with accessibility standards. About DFS - Were home to DFS, Sofology, and The Sofa Delivery Company - three distinctive brands with a shared mission to bring great design and comfort into every home, affordably, responsibly, and sustainably. At DFS Group, everyone plays a part. Whether youre supporting our brands or serving our customers, youre helping shape the future of furniture retail. Each brand has its own identity and creative direction, but were united by a culture
        This is a hybrid role based at our Doncaster Group Support Centre, with 2-3 days a week onsite. As a Front-End Developer, youll be responsible for implementing UI/UX designs into fully functional, responsive web applications using modern front-end technologies. Youll collaborate with cross-functional teams to develop components and features that are performant, maintainable, scalable, and compliant with accessibility standards. About DFS - Were home to DFS, Sofology, and The Sofa Delivery Company - three distinctive brands with a shared mission to bring great design and comfort into every home, affordably, responsibly, and sustainably. At DFS Group, everyone plays a part. Whether youre supporting our brands or serving our customers, youre helping shape the future of furniture retail. Each brand has its own identity and creative direction, but were united by a culture
        more
        PREMIUM
        Role: Senior Software Engineer - Backend Contract - Rate: C.£550 Outside IR35 Per day - Location: Leeds - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Senior Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following best
        Role: Senior Software Engineer - Backend Contract - Rate: C.£550 Outside IR35 Per day - Location: Leeds - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Senior Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following best
        more

        PHP Developer

        Corecom Consulting
        Leeds (LS1), LS1
        £35000 - £52000 per annum
        We're looking for a PHP Developer to join a growing digital team in Leeds, working on high-impact platforms used by thousands of customers. If you enjoy building clean, scalable applications and want the freedom to explore new technologies, this role ticks every box. What you'll be doing * Building and maintaining modern PHP applications using Laravel or Symfony * Collaborating with a cross-functional team (engineers, product, UX) in a hybrid setup * Developing new features, refactoring legacy modules, and contributing to technical decisions * Working in an environment where learning is encouraged - you'll get exposure to new languages, frameworks, DevOps tools and cloud services * Supporting the deployment and maintenance of cloud-based systems (AWS experience is a bonus, not a must!) What we're looking for * Strong PHP experience and knowledge of Laravel or Symfony
        We're looking for a PHP Developer to join a growing digital team in Leeds, working on high-impact platforms used by thousands of customers. If you enjoy building clean, scalable applications and want the freedom to explore new technologies, this role ticks every box. What you'll be doing * Building and maintaining modern PHP applications using Laravel or Symfony * Collaborating with a cross-functional team (engineers, product, UX) in a hybrid setup * Developing new features, refactoring legacy modules, and contributing to technical decisions * Working in an environment where learning is encouraged - you'll get exposure to new languages, frameworks, DevOps tools and cloud services * Supporting the deployment and maintenance of cloud-based systems (AWS experience is a bonus, not a must!) What we're looking for * Strong PHP experience and knowledge of Laravel or Symfony
        more
        Overview - We are hiring two Full-Stack Engineers to help build a new Windows-first (Linux-capable) software platform focused on imaging, visualization, AI integration, and data management. Key Responsibilities - Develop front-end features and tools using React, TypeScript, Node.js, and modern CSS. Contribute to back-end C++ microservices supporting imaging, visualization, AI pipelines, and database operations. Collaborate on architectural decisions, APIs, and system integration between front-end and C++ services. Ensure performance, stability, and usability across Windows and Linux environments. Required Skills & Experience - Strong experience with React, TypeScript, Node.js, and front-end engineering best practices. Solid C++ development capability, ideally with microservices or high-performance systems. Understanding of imaging, visualization, or compute-intensive
        Overview - We are hiring two Full-Stack Engineers to help build a new Windows-first (Linux-capable) software platform focused on imaging, visualization, AI integration, and data management. Key Responsibilities - Develop front-end features and tools using React, TypeScript, Node.js, and modern CSS. Contribute to back-end C++ microservices supporting imaging, visualization, AI pipelines, and database operations. Collaborate on architectural decisions, APIs, and system integration between front-end and C++ services. Ensure performance, stability, and usability across Windows and Linux environments. Required Skills & Experience - Strong experience with React, TypeScript, Node.js, and front-end engineering best practices. Solid C++ development capability, ideally with microservices or high-performance systems. Understanding of imaging, visualization, or compute-intensive
        more
        Greetings, We are hiring for a Technical Business Analyst Position in Sheffield - 3 days onsite - Hybrid - 6-month contract - Key Responsibilities * Gather, document, and analyze business requirements from stakeholders. * Translate business needs into technical specifications for development and DevOps teams. * Collaborate with cross-functional teams to design and implement scalable solutions. * Support the creation and maintenance of CI/CD pipelines using tools like Jenkins, GitHub Actions, and Azure DevOps. * Manage and optimize artifact repositories using Nexus or JFrog Artifactory. * Facilitate sprint planning, backlog grooming, and retrospectives in Agile/Scrum environments. * Monitor KPIs and provide data-driven recommendations for process improvements. * Ensure traceability of requirements through testing and deployment phases.
        Greetings, We are hiring for a Technical Business Analyst Position in Sheffield - 3 days onsite - Hybrid - 6-month contract - Key Responsibilities * Gather, document, and analyze business requirements from stakeholders. * Translate business needs into technical specifications for development and DevOps teams. * Collaborate with cross-functional teams to design and implement scalable solutions. * Support the creation and maintenance of CI/CD pipelines using tools like Jenkins, GitHub Actions, and Azure DevOps. * Manage and optimize artifact repositories using Nexus or JFrog Artifactory. * Facilitate sprint planning, backlog grooming, and retrospectives in Agile/Scrum environments. * Monitor KPIs and provide data-driven recommendations for process improvements. * Ensure traceability of requirements through testing and deployment phases.
        more
        Location: Leeds and Leicester (1 day per week on-site) Salary: Up to £65,000 per annum plus benefits - Employment Type: Full-time, Permanent - We're seeking a skilled Technical Business Analyst to join our growing technology team. You'll play a pivotal role in translating business needs into robust technical solutions, ensuring alignment between stakeholders, architects, and development teams throughout the project lifecycle. This role is ideal for someone who combines strong analytical and communication skills with a solid understanding of software design, systems architecture, and Agile delivery. * Collaborate with business stakeholders to gather, analyse, and document detailed business and technical requirements. * Work closely with solution architects and developers to contribute to solution design and ensure alignment with business objectives and technical feasib
        Location: Leeds and Leicester (1 day per week on-site) Salary: Up to £65,000 per annum plus benefits - Employment Type: Full-time, Permanent - We're seeking a skilled Technical Business Analyst to join our growing technology team. You'll play a pivotal role in translating business needs into robust technical solutions, ensuring alignment between stakeholders, architects, and development teams throughout the project lifecycle. This role is ideal for someone who combines strong analytical and communication skills with a solid understanding of software design, systems architecture, and Agile delivery. * Collaborate with business stakeholders to gather, analyse, and document detailed business and technical requirements. * Work closely with solution architects and developers to contribute to solution design and ensure alignment with business objectives and technical feasib
        more
        Expertise in API design, microservices, and integration platforms.
        Expertise in API design, microservices, and integration platforms.
        NEWFEATURED

        Lead Java Developer

        Syntax Consultancy Limited
        Leeds, West Yorkshire, LS1 4DY
        to £85k (DOE)
        Strong AWS Cloud Services experience including: ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee).
        Strong AWS Cloud Services experience including: ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee).
        more
        NEW

        Lead QA Automation Engineer, C#, Home Based

        Fdo Consulting Limited
        Leeds (LS3), LS1
        £55000 - £68000 per annum + home based + benefits
        Strong Automation, API, C#, and mentoring / management skills required. * UI and API Testing * Very strong API testing. * API testing - This is a great role for a candidate who has very strong C#, API testing and automation.
        Strong Automation, API, C#, and mentoring / management skills required. * UI and API Testing * Very strong API testing. * API testing - This is a great role for a candidate who has very strong C#, API testing and automation.
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        Lead QA Automation Engineer, C#, Home Based

        Fdo Consulting Limited
        Leeds (LS3), LS1
        £55000 - £68000 per annum + home based + benefits
        Strong Automation, API, C#, and mentoring / management skills required. * UI and API Testing * Very strong API testing. * API testing - This is a great role for a candidate who has very strong C#, API testing and automation.
        Strong Automation, API, C#, and mentoring / management skills required. * UI and API Testing * Very strong API testing. * API testing - This is a great role for a candidate who has very strong C#, API testing and automation.
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        Technical Lead

        Oscar Associates (UK) Limited
        Liverpool (L1)
        £70000 - £80000 per annum
        Strong knowledge of RESTful API design, Microservices architecture, and event-driven systems. * Knowledge of security best practices in cloud and API development.
        Strong knowledge of RESTful API design, Microservices architecture, and event-driven systems. * Knowledge of security best practices in cloud and API development.
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        Drive E-commerce Innovation: Use AI to Simplify Print for Hundreds of Thousands of Customers. Location: Manvers, Rotherham - Type: Full-time Monday to Friday 9am - 5.30pm with flexible working options. Salary: £40,000-£60,000 depending on experience - We're a leading e-commerce print company operating two distinct online brands, route1print and instantprint. Our core mission is simple: to make print buying as easy as possible for small businesses. We are looking for a talented Software Engineer to leverage cutting-edge technology to drive this mission forward. From automating complex artwork manipulation and streamlining responses to customer queries to identifying proactive opportunities to improve the end-to-end user experience, you will play a crucial role in using AI to enhance the online customer journey,
        Drive E-commerce Innovation: Use AI to Simplify Print for Hundreds of Thousands of Customers. Location: Manvers, Rotherham - Type: Full-time Monday to Friday 9am - 5.30pm with flexible working options. Salary: £40,000-£60,000 depending on experience - We're a leading e-commerce print company operating two distinct online brands, route1print and instantprint. Our core mission is simple: to make print buying as easy as possible for small businesses. We are looking for a talented Software Engineer to leverage cutting-edge technology to drive this mission forward. From automating complex artwork manipulation and streamlining responses to customer queries to identifying proactive opportunities to improve the end-to-end user experience, you will play a crucial role in using AI to enhance the online customer journey,
        more

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        Frequently Asked Questions

        How many contract API jobs are there in Bolton?
        There are 50 contract API jobs within 20 miles of Bolton available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Bolton?
        As well as contract API jobs in Bolton, you can find contract Qa Automation, Quality Assurance, Java Developer, amongst many others.