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        6 Contract API jobs in Doncaster + 20 miles

        123 exact matches jobs are outside your preferred location

        Contract Data Architect/Analyst

        ANDigital
        Leeds, West Yorkshire
        £500 - £580 a day
        Data Service Support: Contribute to the design of data persistence layers and define data schemas for API documentation (e.g., OpenAPI specifications). * Experience with API schema design and OpenAPI specifications
        Data Service Support: Contribute to the design of data persistence layers and define data schemas for API documentation (e.g., OpenAPI specifications). * Experience with API schema design and OpenAPI specifications
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        Perform API testing using tools like Postman or REST clients, validating custom connectors and third-party integrations. * Knowledge of API and integration testing using tools such as Postman .
        Perform API testing using tools like Postman or REST clients, validating custom connectors and third-party integrations. * Knowledge of API and integration testing using tools such as Postman .
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        Define and document functional and non-functional requirements, clear acceptance criteria, API integration points and data mapping. * Analyse dependencies, risks and impacts across systems including Salesforce, AWS API and Figaro. * Strong technical understanding of Salesforce, AWS API and core systems (e.g. Figaro), including data structures and integration principles.
        Define and document functional and non-functional requirements, clear acceptance criteria, API integration points and data mapping. * Analyse dependencies, risks and impacts across systems including Salesforce, AWS API and Figaro. * Strong technical understanding of Salesforce, AWS API and core systems (e.g. Figaro), including data structures and integration principles.
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        Lead system integrations using Microsoft technologies including Azure Logic Apps, Service Bus, Power Automate, and API Management. * Direct integration and middleware platforms, including API strategy and engineering. * Proven expertise in data lifecycle management, integration technologies (API Gateway, ESB, Message Broker), and data management frameworks (DAMA-DMBOK).
        Lead system integrations using Microsoft technologies including Azure Logic Apps, Service Bus, Power Automate, and API Management. * Direct integration and middleware platforms, including API strategy and engineering. * Proven expertise in data lifecycle management, integration technologies (API Gateway, ESB, Message Broker), and data management frameworks (DAMA-DMBOK).
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        Experienced Test Engineer in a delivery-focused environment, API and/or UI level test automation expertise including designing, building and maintaining automation frameworks.
        Experienced Test Engineer in a delivery-focused environment, API and/or UI level test automation expertise including designing, building and maintaining automation frameworks.
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        Head of Cyber Security

        Pexa Ltd
        Leeds, West Yorkshire
        £90,000 - £110,000 a year
        Cortex XDR / Palo Alto Networks o Splunk (SIEM and dashboarding) o Abnormal Security (email security) o Prisma Cloud (cloud security posture management) o Airlock (application and API security) o Nucleus (vulnerability management and reporting)
        Cortex XDR / Palo Alto Networks o Splunk (SIEM and dashboarding) o Abnormal Security (email security) o Prisma Cloud (cloud security posture management) o Airlock (application and API security) o Nucleus (vulnerability management and reporting)
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        Product Analyst

        Interactive Investor Limited
        Leeds, West Yorkshire
        Competitive
        Own the analysis process for your product or project workstream including, the authoring of good quality user stories, which will contain, business requirements, API integration points, data and data mapping, acceptance criteria, and non-functional requirements * A technical understanding of React, React Native and API integration
        Own the analysis process for your product or project workstream including, the authoring of good quality user stories, which will contain, business requirements, API integration points, data and data mapping, acceptance criteria, and non-functional requirements * A technical understanding of React, React Native and API integration
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        Product Analyst

        Interactive Investor Limited
        Manchester, Greater Manchester
        Competitive
        Own the analysis process for your product or project workstream including, the authoring of good quality user stories, which will contain, business requirements, API integration points, data and data mapping, acceptance criteria, and non-functional requirements * A technical understanding of React, React Native and API integration
        Own the analysis process for your product or project workstream including, the authoring of good quality user stories, which will contain, business requirements, API integration points, data and data mapping, acceptance criteria, and non-functional requirements * A technical understanding of React, React Native and API integration
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        Applications are now open for our 2026 Graduate Cohort (Software Engineering)! Ashton Fire is a dynamic and rapidly growing Fire Safety and Engineering Consultancy. Operating from an ethical platform, our social and environmental values are at the core of our organisation and service delivery. We strive to provide the highest quality, morally and ethically balanced service to our clients whilst maintaining a team-focused working environment. * Applications are open until Friday, 5th December 2025 . * All applicants will be contacted with the outcome of their application by Friday, 12th December 2025. * Shortlisted candidates will then be invited to interview in Manchester in January 2026. * Offers will be made to successful candidates by Monday, 26th January 2026 . Our 2026 Graduate Cohort will officially begin on Tuesday, 1st September 2026.
        Applications are now open for our 2026 Graduate Cohort (Software Engineering)! Ashton Fire is a dynamic and rapidly growing Fire Safety and Engineering Consultancy. Operating from an ethical platform, our social and environmental values are at the core of our organisation and service delivery. We strive to provide the highest quality, morally and ethically balanced service to our clients whilst maintaining a team-focused working environment. * Applications are open until Friday, 5th December 2025 . * All applicants will be contacted with the outcome of their application by Friday, 12th December 2025. * Shortlisted candidates will then be invited to interview in Manchester in January 2026. * Offers will be made to successful candidates by Monday, 26th January 2026 . Our 2026 Graduate Cohort will officially begin on Tuesday, 1st September 2026.
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        NEW
        Were Civica, and we create software that helps deliver critical services for citizens all around the world. From local government, to education, health, and care, over 5,000 public bodies across the globe use our software to provide essential services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work, supporting the needs of citizens and those who serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point in our journey to realise that aspiration. Why you will love this opportunity as Technical Consultant at Civica - Its an essential role in the Civica LG Division Services Team, working across a range of products and customers in the portfolio to deliver professional services consultancy on several concurrent projects.
        Were Civica, and we create software that helps deliver critical services for citizens all around the world. From local government, to education, health, and care, over 5,000 public bodies across the globe use our software to provide essential services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work, supporting the needs of citizens and those who serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point in our journey to realise that aspiration. Why you will love this opportunity as Technical Consultant at Civica - Its an essential role in the Civica LG Division Services Team, working across a range of products and customers in the portfolio to deliver professional services consultancy on several concurrent projects.
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        NEW
        About The Role - FDM is a global business and technology consultancy seeking a number of Dynamics 365 Developers to work for an end client within the public sector. This is initially a 6-month contract with the potential to extend and will be a remote role with the occasional travel to the clients office in Solihull. The focus of these roles will be around Dynamics Customer Service, specifically hands-on coding for a suite of applications which have been built on top of a CRM. Our consultancy client has developed all of the systems across a variety of public services. The ideal candidate will have proven commercial experience and knowledge in Dynamics 365 Customer Services (ideally also Marketing & Sales), as well as Azure Logic Apps and C#. You will also possess a solid understanding and experience with APIs and Integrations.
        About The Role - FDM is a global business and technology consultancy seeking a number of Dynamics 365 Developers to work for an end client within the public sector. This is initially a 6-month contract with the potential to extend and will be a remote role with the occasional travel to the clients office in Solihull. The focus of these roles will be around Dynamics Customer Service, specifically hands-on coding for a suite of applications which have been built on top of a CRM. Our consultancy client has developed all of the systems across a variety of public services. The ideal candidate will have proven commercial experience and knowledge in Dynamics 365 Customer Services (ideally also Marketing & Sales), as well as Azure Logic Apps and C#. You will also possess a solid understanding and experience with APIs and Integrations.
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        Knowledge and demonstrable hands-on experience with middleware technologies (Kafka, API gateways and others) and Data Engineering tools/frameworks like Apache Spark, Airflow, Flink and Hadoop ecosystems. * Programming experience in one of the highlevel languages like Python, Java, Golang and NetDevOps automation and AI engineering (GenAI/Agentic AI), API service development.
        Knowledge and demonstrable hands-on experience with middleware technologies (Kafka, API gateways and others) and Data Engineering tools/frameworks like Apache Spark, Airflow, Flink and Hadoop ecosystems. * Programming experience in one of the highlevel languages like Python, Java, Golang and NetDevOps automation and AI engineering (GenAI/Agentic AI), API service development.
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        In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
        In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
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        NEW
        Role: Solutions Architect - Location: Hybrid, Hampshire - Salary: Competitive (Outside IR35) Type 5 month Contract - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client is a specialist technology consultancy delivering high-impact digital transformation across UK Central Government and Defence. Theyre looking for a Senior Solution Architect who can set technical direction on projects that genuinely shape national infrastructure and public-sector capability. Youll be right at the intersection of strategy and engineering, guiding multidisciplinary t
        Role: Solutions Architect - Location: Hybrid, Hampshire - Salary: Competitive (Outside IR35) Type 5 month Contract - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client is a specialist technology consultancy delivering high-impact digital transformation across UK Central Government and Defence. Theyre looking for a Senior Solution Architect who can set technical direction on projects that genuinely shape national infrastructure and public-sector capability. Youll be right at the intersection of strategy and engineering, guiding multidisciplinary t
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        Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
        Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
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        NEW
        Howdens are offering an exciting opportunity to take a leading role in our software development function as a Technical Architect. You will drive the technical vision, define architectural strategy, and guide the creation of innovative, scalable solutions that make a real impact on our business - What youll be doing * Technical Leadership: Mentor developers, guide best practices, and resolve complex technical challenges. * Architecture Ownership: Define, evolve, and document system architecture to align with business goals and technical standards. * Solution Design: Deliver secure, scalable solutions that balance speed, cost, and quality. * Standards & Governance: Uphold coding, testing, and security standards across teams. * Innovation: Evaluate new technologies, modernise systems, and reduce technical debt.
        Howdens are offering an exciting opportunity to take a leading role in our software development function as a Technical Architect. You will drive the technical vision, define architectural strategy, and guide the creation of innovative, scalable solutions that make a real impact on our business - What youll be doing * Technical Leadership: Mentor developers, guide best practices, and resolve complex technical challenges. * Architecture Ownership: Define, evolve, and document system architecture to align with business goals and technical standards. * Solution Design: Deliver secure, scalable solutions that balance speed, cost, and quality. * Standards & Governance: Uphold coding, testing, and security standards across teams. * Innovation: Evaluate new technologies, modernise systems, and reduce technical debt.
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        NEW
        Duration: 12 Months - Location: London & remote (hybrid) Rate: £650 per day - IR35 Status: Inside - Start: ASAP - A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data. You will work within a multi-disciplinary product team and lead the design, development, and maintenance of robust, scalable open data services and APIs - Provide strategic technical leadership by setting software architecture, engineering practices, and technical direction across the team - Define and evolve scalable, secure design patterns and coding standards, ensuring alignment with government standards and cross-government platforms - Collaborate with teams to select technologies, shape roadmaps, and de
        Duration: 12 Months - Location: London & remote (hybrid) Rate: £650 per day - IR35 Status: Inside - Start: ASAP - A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data. You will work within a multi-disciplinary product team and lead the design, development, and maintenance of robust, scalable open data services and APIs - Provide strategic technical leadership by setting software architecture, engineering practices, and technical direction across the team - Define and evolve scalable, secure design patterns and coding standards, ensuring alignment with government standards and cross-government platforms - Collaborate with teams to select technologies, shape roadmaps, and de
        more
        NEW
        Join the team shaping the future of automotive intelligence - At Brego, were redefining how data powers the automotive industry. From cutting-edge vehicle valuations to advanced analytics, we build the technology behind smarter, faster, more transparent decisions for dealers, lenders, and partners across the UK and beyond. Were growing fast and were looking for an experienced Full Stack Developer with strong NodeJS and TypeScript skills to help us take our platform to the next level. What Youll Do * Design, build, and scale high-performance web applications using Next.js, TypeScript, and Node.js on AWS. * Deliver elegant, maintainable code and new product features that delight our users. * Collaborate with product, design, and data teams to translate ideas into real-world solutions. * Integrate with RESTful APIs and third-party services to expand our platforms capabil
        Join the team shaping the future of automotive intelligence - At Brego, were redefining how data powers the automotive industry. From cutting-edge vehicle valuations to advanced analytics, we build the technology behind smarter, faster, more transparent decisions for dealers, lenders, and partners across the UK and beyond. Were growing fast and were looking for an experienced Full Stack Developer with strong NodeJS and TypeScript skills to help us take our platform to the next level. What Youll Do * Design, build, and scale high-performance web applications using Next.js, TypeScript, and Node.js on AWS. * Deliver elegant, maintainable code and new product features that delight our users. * Collaborate with product, design, and data teams to translate ideas into real-world solutions. * Integrate with RESTful APIs and third-party services to expand our platforms capabil
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        Frequently Asked Questions

        How many contract API jobs are there in Doncaster?
        There are 6 contract API jobs within 20 miles of Doncaster available on CWJobs right now.

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