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        363


        9 Contract API jobs in Oxford + 20 miles

        .NET Developer

        Halian Technology Limited
        Wallingford (OX10)
        From £450 to £550 per day
        ASP.NET Web API * API-driven backend development
        ASP.NET Web API * API-driven backend development

        Full Stack .NET Web Developer

        Association For Project Management
        Saunderton Lee, Princes Risborough (HP27), HP27 9LE
        From £50,000 to £55,000 per annum
        Salary: £50,000- £55,000 per annum (depending on experience) 12-month Fixed Term Contract (Full time - 35 hours per week) Hybrid Working Home Based/Princes Risborough - Were Association for Project Management (APM). Were a professional membership organisation that sets the standards for the project profession. As a registered charity, we reinvest our surplus for the benefit of our members and the profession. We deliver education and develop qualifications. We conduct research and provide knowledge and resources. We run events and share best practice. We give people the opportunity to connect and provide community for our individual members and corporate partners, wherever they are. Above all, when doing so makes a difference, we challenge the status quo - Job Role Overview - An exciting opportunity has arisen for a Full Stack .NET Web Developer to join our Digital team on a fixed term ...
        Salary: £50,000- £55,000 per annum (depending on experience) 12-month Fixed Term Contract (Full time - 35 hours per week) Hybrid Working Home Based/Princes Risborough - Were Association for Project Management (APM). Were a professional membership organisation that sets the standards for the project profession. As a registered charity, we reinvest our surplus for the benefit of our members and the profession. We deliver education and develop qualifications. We conduct research and provide knowledge and resources. We run events and share best practice. We give people the opportunity to connect and provide community for our individual members and corporate partners, wherever they are. Above all, when doing so makes a difference, we challenge the status quo - Job Role Overview - An exciting opportunity has arisen for a Full Stack .NET Web Developer to join our Digital team on a fixed term ...
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        Working closely with the engineering and integration support teams along with communicating externally with Dexory's customers, you will develop custom parsers, API integrations, and data transformation logic to enable our robots to understand each customer's unique warehouse management system. * Building custom API integrations to retrieve real-time data from customer warehouse management systems;
        Working closely with the engineering and integration support teams along with communicating externally with Dexory's customers, you will develop custom parsers, API integrations, and data transformation logic to enable our robots to understand each customer's unique warehouse management system. * Building custom API integrations to retrieve real-time data from customer warehouse management systems;
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        Delivering back-end development including API design and working with multiple database paradigms. * Solid knowledge of web and cloud technologies, security, communications, and API based architectures, ideally within IoT or scientific systems.
        Delivering back-end development including API design and working with multiple database paradigms. * Solid knowledge of web and cloud technologies, security, communications, and API based architectures, ideally within IoT or scientific systems.
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        Jira Platform Engineer

        Strongbyte Solutions Ltd t/a VoCoVo
        Shipton-Under-Wychwood, Chipping Norton (OX7)
        £72,000 a year
        VoCoVo specialises in innovative communication solutions tailored for businesses, particularly within the retail sector. Our flagship products are designed to create a connected store experience, facilitating seamless communication among retail staff to enhance efficiency and elevate customer service. We empower teams to collaborate effortlessly and achieve their retail goals. Youve probably already seen us in action, were trusted by Tesco, Asda, Dunelm and Iceland, just to name a few. With over 250,000 users across more than 10,000 locations in 21+ countries, and recognition as one of the top 100 best small-to-medium size businesses to work for, join us on our journey! Role Overview - As Jira Platform Engineer you will build, implement and take ownership of our enterprise-wide Jira platform. This role is largely hands-on, you will work with an agreed architectural design in ...
        VoCoVo specialises in innovative communication solutions tailored for businesses, particularly within the retail sector. Our flagship products are designed to create a connected store experience, facilitating seamless communication among retail staff to enhance efficiency and elevate customer service. We empower teams to collaborate effortlessly and achieve their retail goals. Youve probably already seen us in action, were trusted by Tesco, Asda, Dunelm and Iceland, just to name a few. With over 250,000 users across more than 10,000 locations in 21+ countries, and recognition as one of the top 100 best small-to-medium size businesses to work for, join us on our journey! Role Overview - As Jira Platform Engineer you will build, implement and take ownership of our enterprise-wide Jira platform. This role is largely hands-on, you will work with an agreed architectural design in ...
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        We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
        We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
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        391 exact matches jobs are outside your preferred location

        Our customer, a leading automotive organisation, is seeking an experienced Senior Test Analyst to support a major transformation programme involving complex system integrations, data migration activities and API-driven applications. This is a hands-on role requiring strong experience across API testing, manual testing and integration testing. * Strong commercial experience in API Testing * Hands-on experience using Postman for API validation and testing
        Our customer, a leading automotive organisation, is seeking an experienced Senior Test Analyst to support a major transformation programme involving complex system integrations, data migration activities and API-driven applications. This is a hands-on role requiring strong experience across API testing, manual testing and integration testing. * Strong commercial experience in API Testing * Hands-on experience using Postman for API validation and testing
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        Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
        Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
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        Full-Stack Developer (React Native / Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day - A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into digital platforms and infrastructure, they are looking for experienced Full-Stack Developers to support a major product and technology transformation programme. This role will focus on building scalable applications using React or React Native alongside backend services and APIs using Java. You'll work across frontend architecture, integrations, CI/CD pipelines, microservices, and cloud-native systems, helping deliver secure, high-performance products in a collaborative engineering environment. * 6+ years of full-stack engineering experience
        Full-Stack Developer (React Native / Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day - A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into digital platforms and infrastructure, they are looking for experienced Full-Stack Developers to support a major product and technology transformation programme. This role will focus on building scalable applications using React or React Native alongside backend services and APIs using Java. You'll work across frontend architecture, integrations, CI/CD pipelines, microservices, and cloud-native systems, helping deliver secure, high-performance products in a collaborative engineering environment. * 6+ years of full-stack engineering experience
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        Enterprise integration patterns (API, event-driven, messaging)
        Enterprise integration patterns (API, event-driven, messaging)
        FEATURED
        Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks API Development & Integration - Strong expertise in API lifecycle design usingOpenAPIspecifications (OAS) - can read and write API specs - TMF Open API
        Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks API Development & Integration - Strong expertise in API lifecycle design usingOpenAPIspecifications (OAS) - can read and write API specs - TMF Open API
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        The Microsoft Entra ID Architect is responsible for defining the target state architecture for enterprise identity using Microsoft Entra ID, with a strong focus on Identity Governance, Secure Access, and API driven provisioning. Design API first provisioning patterns using - Microsoft Graph API Proven architecture experience with Graph API, SCIM, Lifecycle Workflows.
        The Microsoft Entra ID Architect is responsible for defining the target state architecture for enterprise identity using Microsoft Entra ID, with a strong focus on Identity Governance, Secure Access, and API driven provisioning. Design API first provisioning patterns using - Microsoft Graph API Proven architecture experience with Graph API, SCIM, Lifecycle Workflows.
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        Agentic AI Architect

        Emporia Consulting Group Limited
        London
        Paying up to £1100 per day
        Understanding of enterprise solutioning with cloud platforms (AWS, Azure, GCP), API integration, and data security best practices.
        Understanding of enterprise solutioning with cloud platforms (AWS, Azure, GCP), API integration, and data security best practices.
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        What is the average salary for API in Oxford?

        Average salary per year
        £55,000

        The average salary for a API in Oxford is £55,000. API in Oxford salaries range from £52,499 to £62,499.

        Frequently Asked Questions

        How many contract API jobs are there in Oxford?
        There are 9 contract API jobs within 20 miles of Oxford available on CWJobs right now.

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