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        21 Contract API jobs in Mansfield + 20 miles

        Enterprise Architect Contractor

        Rebel Recruitment
        Nottingham (NG1)
        From £600 to £850 per day
        API and event-driven architectures
        API and event-driven architectures
        Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Perform API automation, contract testing, and replay/reprocessing scenarios.
        Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Perform API automation, contract testing, and replay/reprocessing scenarios.
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        Senior Full-Stack AI Engineer

        Stealth IT Consulting Limited
        Sheffield (S1)
        £500 per day inside IR35
        Contract Details * Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB * Contract Duration: Until 30/11/2026 * Rate:£500 per day * IR35 Status:Inside IR35 - Role Overview - We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend APIs, agent orchestration, and enterprise workflow automation. The successful contractor will work across the full product lifecycle, delivering scalable and secure AI-enabled support solutions for enterprise users. Key Responsibilities * Design and develop user-facing applications for employees, support agents, and administrators. o Chat interfaces - o Ticket submission - o Status tracking - o Escalation workflows - o Password resets - o Account unlocks - o Software access requests - o Knowledge-based troubleshooting
        Contract Details * Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB * Contract Duration: Until 30/11/2026 * Rate:£500 per day * IR35 Status:Inside IR35 - Role Overview - We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend APIs, agent orchestration, and enterprise workflow automation. The successful contractor will work across the full product lifecycle, delivering scalable and secure AI-enabled support solutions for enterprise users. Key Responsibilities * Design and develop user-facing applications for employees, support agents, and administrators. o Chat interfaces - o Ticket submission - o Status tracking - o Escalation workflows - o Password resets - o Account unlocks - o Software access requests - o Knowledge-based troubleshooting
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        FEATURED

        Business Analyst

        Rebel Recruitment
        Nottingham (NG5), NG5 1DJ
        10% Bonus + 10% Pension
        Role: Business Analyst - Location: Hybrid role with 2 days in the Nottingham office - Working Arrangement: Hybrid - 2 days in the office - Salary: £36k to £55k - Hybrid working: 2 days a week in Nottingham | 35-hour week | 10% bonus | 10% employer pension contribution - We’re working with a growing software business that is looking for a Business Analyst to join their development team. This role would suit a BA who has worked in a software, digital or product-led environment, ideally with experience across e-commerce, shipping, logistics, order fulfilment, warehouse management or marketplace platforms. We would also welcome candidates from a Product Owner or Product Manager background, providing they have experience in one of the above areas and are comfortable working closely with software development teams.
        Role: Business Analyst - Location: Hybrid role with 2 days in the Nottingham office - Working Arrangement: Hybrid - 2 days in the office - Salary: £36k to £55k - Hybrid working: 2 days a week in Nottingham | 35-hour week | 10% bonus | 10% employer pension contribution - We’re working with a growing software business that is looking for a Business Analyst to join their development team. This role would suit a BA who has worked in a software, digital or product-led environment, ideally with experience across e-commerce, shipping, logistics, order fulfilment, warehouse management or marketplace platforms. We would also welcome candidates from a Product Owner or Product Manager background, providing they have experience in one of the above areas and are comfortable working closely with software development teams.
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        NEW

        Contract Java Full Stack Developer

        Spectrum It Recruitment Limited
        Nottingham (NG1)
        £375.00 - £400.00 per day
        Rate: £375-£400 per day - IR35: Inside IR35 - Duration: 6 months - Location: Fully remote working - An exciting opportunity has arisen for an experienced contract Java Full Stack Developer to join a large-scale digital transformation programme focused on modernising and enhancing a complex enterprise platform. The contract Java Full Stack Developer will work within an agile development team, you'll contribute to the ongoing support and evolution of a business-critical application suite while helping to shape the next generation SaaS solutions. This is an excellent opportunity for someone who enjoys working on challenging technical problems, modern architectures, and platform transformation. Key Responsibilities * Design, develop and maintain scalable full stack applications. * Build and enhance RESTful APIs and web-based services.
        Rate: £375-£400 per day - IR35: Inside IR35 - Duration: 6 months - Location: Fully remote working - An exciting opportunity has arisen for an experienced contract Java Full Stack Developer to join a large-scale digital transformation programme focused on modernising and enhancing a complex enterprise platform. The contract Java Full Stack Developer will work within an agile development team, you'll contribute to the ongoing support and evolution of a business-critical application suite while helping to shape the next generation SaaS solutions. This is an excellent opportunity for someone who enjoys working on challenging technical problems, modern architectures, and platform transformation. Key Responsibilities * Design, develop and maintain scalable full stack applications. * Build and enhance RESTful APIs and web-based services.
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        Senior Pega DevOps Engineer

        DWP Digital
        Upperthorpe, Sheffield (S3), S3 7UF
        £57948 - £80664 per annum
        Senior DevOps Engineer - Pay up to £80,664 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. This is a real and significant DevOps leadership role in the UK's largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP - Digital with Purpose. You'll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services. We have a unique purpose, putting better, more efficient services in the hands of DWP users. * We have 1bn lines of code in over 12,000 code repos and 90+ programming languages. * We run around 294 days' worth of testing every day through automation. * Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.
        Senior DevOps Engineer - Pay up to £80,664 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. This is a real and significant DevOps leadership role in the UK's largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP - Digital with Purpose. You'll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services. We have a unique purpose, putting better, more efficient services in the hands of DWP users. * We have 1bn lines of code in over 12,000 code repos and 90+ programming languages. * We run around 294 days' worth of testing every day through automation. * Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.
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        Work in a cross-functional engineering team to design, enable and develop software features that support the UK API Gateway * Bonus: experience with procedural languages (e.g. Lua/Go) and/or writing API plugins
        Work in a cross-functional engineering team to design, enable and develop software features that support the UK API Gateway * Bonus: experience with procedural languages (e.g. Lua/Go) and/or writing API plugins
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        Passionate about API testing utilising tools similar to Wiremock, Pact, Postman and Cucumber. * Good understanding of API authentication and authorisation mechanisms like OAuth.
        Passionate about API testing utilising tools similar to Wiremock, Pact, Postman and Cucumber. * Good understanding of API authentication and authorisation mechanisms like OAuth.
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        Principal Cloud Engineer

        Commify UK Limited
        Nottingham, Nottinghamshire
        £75,000 - £82,500 a year
        Service Mesh: Hands-on with Istio (ambient mode preferred) or Cilium for mTLS, traffic management, Gateway API, and zero-trust networking.
        Service Mesh: Hands-on with Istio (ambient mode preferred) or Cilium for mTLS, traffic management, Gateway API, and zero-trust networking.
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        Nottingham Trent House (95002), United Kingdom, Nottingham, Nottinghamshire - About this role - Capital Ones mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. As a Lead Senior Engineer you will be contributing to the development of our applications and solutions that support our software and infrastructure delivery teams within Capital One. Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One. You will be working with focused delivery teams whilst partnering with colleagues across our entire business to enable and enhance the ability for our teams to deliver solutions at pace. What youll do
        Nottingham Trent House (95002), United Kingdom, Nottingham, Nottinghamshire - About this role - Capital Ones mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. As a Lead Senior Engineer you will be contributing to the development of our applications and solutions that support our software and infrastructure delivery teams within Capital One. Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One. You will be working with focused delivery teams whilst partnering with colleagues across our entire business to enable and enhance the ability for our teams to deliver solutions at pace. What youll do
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        About Ensek - Ensek builds the cloud-native SaaS software thats transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. Ensek is at an exciting inflection point as we scale at pace towards new international horizons. If youre driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, youll feel right at home with us. About the role - The Senior Product Manager for Energy Products & Quoting leads the strategy and delivery for a product within ENSEK's Energy Orchestration System: how energy products are modelled, managed, priced, and quoted.
        About Ensek - Ensek builds the cloud-native SaaS software thats transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. Ensek is at an exciting inflection point as we scale at pace towards new international horizons. If youre driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, youll feel right at home with us. About the role - The Senior Product Manager for Energy Products & Quoting leads the strategy and delivery for a product within ENSEK's Energy Orchestration System: how energy products are modelled, managed, priced, and quoted.
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        About Ensek - Ensek builds the cloud-native SaaS software thats transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. Ensek is at an exciting inflection point as we scale at pace towards new international horizons. If youre driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, youll feel right at home with us. About the role - The Product Manager for Contracting owns the end-to-end contracting capability within ENSEK's Energy Orchestration System: turning accepted quotes into binding agreements, managing terms, renewals, termination, and contract lifecycle events.
        About Ensek - Ensek builds the cloud-native SaaS software thats transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. Ensek is at an exciting inflection point as we scale at pace towards new international horizons. If youre driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, youll feel right at home with us. About the role - The Product Manager for Contracting owns the end-to-end contracting capability within ENSEK's Energy Orchestration System: turning accepted quotes into binding agreements, managing terms, renewals, termination, and contract lifecycle events.
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        A bit about us... Please allow us to celebrate our own success for a moment... We've built a customer-centric product that is market-leading, and we are smashing it! We're a multi-award-winning digital payments and insight platform within the automotive industry. We work with over 5,000 automotive retailers, helping drivers to pay for motoring costs, accessories, and other services through a variety of different payment options. Our purpose is to build a solution that gives drivers peace of mind while enhancing customer experience and assisting with dealer profitability. Bumper is a fast-growing payment scale-up and were excited to continue building on our growth having completed a successful Series B funding round in 2024. Were looking to hire a dynamic and passionate Junior Backend Engineer, based in either Sheffield or London .
        A bit about us... Please allow us to celebrate our own success for a moment... We've built a customer-centric product that is market-leading, and we are smashing it! We're a multi-award-winning digital payments and insight platform within the automotive industry. We work with over 5,000 automotive retailers, helping drivers to pay for motoring costs, accessories, and other services through a variety of different payment options. Our purpose is to build a solution that gives drivers peace of mind while enhancing customer experience and assisting with dealer profitability. Bumper is a fast-growing payment scale-up and were excited to continue building on our growth having completed a successful Series B funding round in 2024. Were looking to hire a dynamic and passionate Junior Backend Engineer, based in either Sheffield or London .
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        We are looking for Staff Engineers to join a new team within Protect and play a central role in building the next generation of our IP platform. Protect serves some of the world's largest patent filers, helping them manage the full intellectual property lifecycle, from filing and translation through to renewals, recordals, and portfolio management. We are in the middle of a significant platform evolution: moving from a services-led model to a modern SaaS product suite and open collaboration platform, with AI-enabled capabilities woven throughout. This is a hands-on engineering role in a team being built from scratch with modern ways of working, modern tooling, and a clear DevSecOps mindset. You will design, build, and ship software that directly impacts how IP professionals work. The team will build new systems while also maintaining, upgrading, and retiring legacy ones.
        We are looking for Staff Engineers to join a new team within Protect and play a central role in building the next generation of our IP platform. Protect serves some of the world's largest patent filers, helping them manage the full intellectual property lifecycle, from filing and translation through to renewals, recordals, and portfolio management. We are in the middle of a significant platform evolution: moving from a services-led model to a modern SaaS product suite and open collaboration platform, with AI-enabled capabilities woven throughout. This is a hands-on engineering role in a team being built from scratch with modern ways of working, modern tooling, and a clear DevSecOps mindset. You will design, build, and ship software that directly impacts how IP professionals work. The team will build new systems while also maintaining, upgrading, and retiring legacy ones.
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        26WD97386 - Senior Software Engineer Cloud Applications & Services - Location: Sheffield (Hybrid) The Team @ Autodesk - You will join a collaborative and distributed engineering team within Autodesk Construction Cloud, working on cloud-based services that power large-scale construction projects worldwide. The team is composed of experienced engineers across Europe and North America, working in an agile environment with a strong focus on ownership, innovation, and continuous improvement. You will be part of a backend-focused team, contributing to the development and evolution of cloud services while collaborating closely with product, UX, and platform teams. Position Overview - We are looking for a Senior Software Engineer to join our team in Sheffield and contribute to the design, development, and operation of scalable cloud-native services.
        26WD97386 - Senior Software Engineer Cloud Applications & Services - Location: Sheffield (Hybrid) The Team @ Autodesk - You will join a collaborative and distributed engineering team within Autodesk Construction Cloud, working on cloud-based services that power large-scale construction projects worldwide. The team is composed of experienced engineers across Europe and North America, working in an agile environment with a strong focus on ownership, innovation, and continuous improvement. You will be part of a backend-focused team, contributing to the development and evolution of cloud services while collaborating closely with product, UX, and platform teams. Position Overview - We are looking for a Senior Software Engineer to join our team in Sheffield and contribute to the design, development, and operation of scalable cloud-native services.
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        109 exact matches jobs are outside your preferred location

        Software Developer (API/Java Microservices)

        Yorkshire Building Society (YBS)
        Leeds, West Yorkshire, LS1 8EQ
        Up to £55,000 Dependent on Experience + Bonus & Benefits
        We are looking for an API & Microservices - Software Development Engineer to join a squad in our Digital Tribe. As Software Development Engineer API & Microservices, youll design, develop, document, and create test automation of software and configuration that delivers value to YBS customers. o Restful Design, working with API Gateway products - Azure
        We are looking for an API & Microservices - Software Development Engineer to join a squad in our Digital Tribe. As Software Development Engineer API & Microservices, youll design, develop, document, and create test automation of software and configuration that delivers value to YBS customers. o Restful Design, working with API Gateway products - Azure
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        FEATURED
        Hybrid - Manchester £100,000 - We're partnering with a top global insurer to recruit a Solution Architect into their Specialty - Global Markets team in Manchester. This is a great opportunity to join a global organisation and play a key role in designing and delivering modern, scalable technology solutions across a range of transformation and innovation initiatives. The Opportunity - You'll work closely with both business and technical teams to shape architecture, guide delivery, and ensure solutions are aligned with enterprise standards. The role offers a strong mix of hands-on design, stakeholder engagement, and involvement in modernisation programmes. What You'll Be Doing * Designing end-to-end solutions across cloud and enterprise systems * Supporting application transformation and modernisation initiatives
        Hybrid - Manchester £100,000 - We're partnering with a top global insurer to recruit a Solution Architect into their Specialty - Global Markets team in Manchester. This is a great opportunity to join a global organisation and play a key role in designing and delivering modern, scalable technology solutions across a range of transformation and innovation initiatives. The Opportunity - You'll work closely with both business and technical teams to shape architecture, guide delivery, and ensure solutions are aligned with enterprise standards. The role offers a strong mix of hands-on design, stakeholder engagement, and involvement in modernisation programmes. What You'll Be Doing * Designing end-to-end solutions across cloud and enterprise systems * Supporting application transformation and modernisation initiatives
        more
        Design, build, and maintain automated test frameworks (unit, integration, API, contract, E2E) * API, contract, integration testing, including asynchronous messaging (e.g., Kafka)
        Design, build, and maintain automated test frameworks (unit, integration, API, contract, E2E) * API, contract, integration testing, including asynchronous messaging (e.g., Kafka)
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        Frequently Asked Questions

        How many contract API jobs are there in Mansfield?
        There are 21 contract API jobs within 20 miles of Mansfield available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Mansfield?
        As well as contract API jobs in Mansfield, you can find contract IT, Software Development, Testing, amongst many others.