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        31 Contract API jobs in Oxfordshire + 20 miles

        Penetration Tester

        Damia Group Ltd
        Merryhill Green, RG41
        £400 - £415 per day
        All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities * Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms * Identify, exploit, and document security vulnerabilities with detailed risk assessment * Develop and execute red team exercises and threat simulations * Collaborate with development and infrastructure teams to remediate findings * Prepare comprehensive reports outlining findings, impact, and mitigation strategies * Stay current with latest attack vectors, tools, and security trends * Assist in security awareness training and internal education efforts * Contribute to security policies and best practices development
        All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities * Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms * Identify, exploit, and document security vulnerabilities with detailed risk assessment * Develop and execute red team exercises and threat simulations * Collaborate with development and infrastructure teams to remediate findings * Prepare comprehensive reports outlining findings, impact, and mitigation strategies * Stay current with latest attack vectors, tools, and security trends * Assist in security awareness training and internal education efforts * Contribute to security policies and best practices development
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        NEW
        Senior Backend Engineer - Python Outside IR35 Hybrid - Oxford or London | Contract Our client, a UK-based deep tech start-up, is seeking an experienced Senior Backend Engineer (Python & Django or Flask) to own and operate mission-critical backend services powering generative AI products. You'll architect, build, and run scalable APIs and data services end-to-end, collaborating closely with AI engineers to deliver new features from concept to production. This role offers the opportunity to shape the backend systems at the core of cutting-edge AI, with a strong focus on performance, reliability, and security. Key Responsibilities * Architect and evolve scalable backend services in Python (FastAPI/Django/Flask). * Design and operate RESTful APIs aligned with OpenAPI/Swagger. * Implement authentication and authorization (OAuth2/OIDC, permissions, session management).
        Senior Backend Engineer - Python Outside IR35 Hybrid - Oxford or London | Contract Our client, a UK-based deep tech start-up, is seeking an experienced Senior Backend Engineer (Python & Django or Flask) to own and operate mission-critical backend services powering generative AI products. You'll architect, build, and run scalable APIs and data services end-to-end, collaborating closely with AI engineers to deliver new features from concept to production. This role offers the opportunity to shape the backend systems at the core of cutting-edge AI, with a strong focus on performance, reliability, and security. Key Responsibilities * Architect and evolve scalable backend services in Python (FastAPI/Django/Flask). * Design and operate RESTful APIs aligned with OpenAPI/Swagger. * Implement authentication and authorization (OAuth2/OIDC, permissions, session management).
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        NEWFEATURED
        New Job Opportunity - Senior Offshore Structures Engineer - 12 Month Outside Ir35 Contract Our Client has a requirement for a Senior Offshore Structures Engineer, who will be required to work on a contract basis fully remote. Contract Length: Initially 12 Months Location: Fully Remote (Offices in Basingstoke, UK) Engagement: Outside IR35 or PAYE (both considered) Role Overview We are seeking an experienced Senior Offshore Structural Engineer to join our team. You will be responsible for the execution, review, and approval of structural analyses and designs for offshore substructures and topsides across all project phases, from concept through to operations. Key Responsibilities * Perform structural analyses for offshore substructures and topsides. * Define and evaluate optimal technical solutions during all project stages (feasibility, FEED, detailed design).
        New Job Opportunity - Senior Offshore Structures Engineer - 12 Month Outside Ir35 Contract Our Client has a requirement for a Senior Offshore Structures Engineer, who will be required to work on a contract basis fully remote. Contract Length: Initially 12 Months Location: Fully Remote (Offices in Basingstoke, UK) Engagement: Outside IR35 or PAYE (both considered) Role Overview We are seeking an experienced Senior Offshore Structural Engineer to join our team. You will be responsible for the execution, review, and approval of structural analyses and designs for offshore substructures and topsides across all project phases, from concept through to operations. Key Responsibilities * Perform structural analyses for offshore substructures and topsides. * Define and evaluate optimal technical solutions during all project stages (feasibility, FEED, detailed design).
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        NEW
        Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and Inside IR35 You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation API authentication methods
        Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and Inside IR35 You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation API authentication methods
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        NEW
        This is a fantastic opportunity to work as a contract Automation Tester for an ecommerce company, on a long term contract, remotely, inside IR35. * .Net/C# * WinDriver * Specflow * API * Azure If you do have the relevant experience for this Automation Tester position, please do apply.
        This is a fantastic opportunity to work as a contract Automation Tester for an ecommerce company, on a long term contract, remotely, inside IR35. * .Net/C# * WinDriver * Specflow * API * Azure If you do have the relevant experience for this Automation Tester position, please do apply.
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        ESRI GIS Subject Matter Expert (SME)

        Stackstudio Digital Ltd.
        RG40, Wokingham
        From £400 to £450 per day
        Role/Job Title: ESRI GIS Subject Matter Expert (SME) Work Location: Wokingham If Hybrid, Days Required in Office: 3 days a week The Role We are seeking an experienced ESRI GIS Subject Matter Expert (SME) to lead the design, implementation, and optimization of a scalable GIS platform that supports strategic spatial energy planning. The platform will enable environmental impact assessments, economic modelling, and the integration of community preferences. The SME will be responsible for consolidating and migrating diverse spatial datasets into a unified system, ensuring data accuracy, quality, and accessibility, while supporting secure, role-based access, automation, and interoperability with internal and external systems. Your Responsibilities Platform Design & Implementation
        Role/Job Title: ESRI GIS Subject Matter Expert (SME) Work Location: Wokingham If Hybrid, Days Required in Office: 3 days a week The Role We are seeking an experienced ESRI GIS Subject Matter Expert (SME) to lead the design, implementation, and optimization of a scalable GIS platform that supports strategic spatial energy planning. The platform will enable environmental impact assessments, economic modelling, and the integration of community preferences. The SME will be responsible for consolidating and migrating diverse spatial datasets into a unified system, ensuring data accuracy, quality, and accessibility, while supporting secure, role-based access, automation, and interoperability with internal and external systems. Your Responsibilities Platform Design & Implementation
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        NEW

        Digital Workflow & Automation Consultant

        Apogee Corporation**
        RG1, Reading, RG1 1LX
        Competitive Salary + Car + Remote Working
        With over 30 years of expertise, Apogee transforms how organisations of every size and sector manage their IT delivering everything they need through one seamless point of contact. As an independent subsidiary of HP Inc., we combine the agility of a specialist provider with the power of one of the worlds leading technology companies, giving our clients instant access to cutting-edge innovation backed by market-leading service operations! This is more than a technical role it is an opportunity to shape how organisations work! You will be at the forefront of designing and implementing intelligent workflows that free people from repetitive tasks and unlock their productivity. Working closely with colleagues, customers, and partners, you will transform processes and integrate cutting-edge technologies into real-world solutions. What You Will Do
        With over 30 years of expertise, Apogee transforms how organisations of every size and sector manage their IT delivering everything they need through one seamless point of contact. As an independent subsidiary of HP Inc., we combine the agility of a specialist provider with the power of one of the worlds leading technology companies, giving our clients instant access to cutting-edge innovation backed by market-leading service operations! This is more than a technical role it is an opportunity to shape how organisations work! You will be at the forefront of designing and implementing intelligent workflows that free people from repetitive tasks and unlock their productivity. Working closely with colleagues, customers, and partners, you will transform processes and integrate cutting-edge technologies into real-world solutions. What You Will Do
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        NEW

        WordPress Developer - Reading

        Transparent Technology
        RG1, Reading
        £30000 - £45000 per annum + bens
        WordPress Developer - PHP / HTML / CSS - Up to £45k + Benefits An established digital agency is seeking a WordPress Developer to join their collaborative production team. You'll be building bespoke WordPress websites and applications, working closely with designers and developers to deliver high-quality, responsive, and user-friendly solutions for a variety of clients. * Develop and maintain custom WordPress themes and plugins * Work on responsive layouts with HTML5, CSS3, and PHP * Integrate APIs and contribute to bespoke functionality * Ensure accessibility, usability, and performance across platforms * Collaborate with the wider team and contribute to project estimates and documentation Skills & Experience Required * Strong WordPress development experience (themes, plugins, custom builds) * Proficiency with PHP and front-end technologies (HTML5, CSS3, JavaScript)
        WordPress Developer - PHP / HTML / CSS - Up to £45k + Benefits An established digital agency is seeking a WordPress Developer to join their collaborative production team. You'll be building bespoke WordPress websites and applications, working closely with designers and developers to deliver high-quality, responsive, and user-friendly solutions for a variety of clients. * Develop and maintain custom WordPress themes and plugins * Work on responsive layouts with HTML5, CSS3, and PHP * Integrate APIs and contribute to bespoke functionality * Ensure accessibility, usability, and performance across platforms * Collaborate with the wider team and contribute to project estimates and documentation Skills & Experience Required * Strong WordPress development experience (themes, plugins, custom builds) * Proficiency with PHP and front-end technologies (HTML5, CSS3, JavaScript)
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        NEW
        Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and outside IR35. You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation
        Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and outside IR35. You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation
        more
        NEW
        This is a fantastic opportunity to work as a contract Automation Tester for an ecommerce company, on a long term contract, remotely, inside IR35. * .Net/C# * WinDriver * Specflow * API * Azure If you do have the relevant experience for this Automation Tester position, please do apply.
        This is a fantastic opportunity to work as a contract Automation Tester for an ecommerce company, on a long term contract, remotely, inside IR35. * .Net/C# * WinDriver * Specflow * API * Azure If you do have the relevant experience for this Automation Tester position, please do apply.
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        NEW
        A Developer with experience in .NET, C#, and JavaScript is urgently required to join a dynamic and innovative team in a leading organisation working on a fully remote basis. This is an excellent opportunity to contribute to technological developments, streamline processes, and enhance operational efficiency. The Role As a Developer, you will work closely with the Senior Developer to design and implement internal tools and solutions. Collaborating with various departments, you’ll support development-related queries and build integrations with third-party platforms via APIs. This role is central to improving workflows, enabling innovative practices, and contributing to the company’s technology strategy. The Company Our client is a forward-thinking organisation committed to technological advancement and efficiency.
        A Developer with experience in .NET, C#, and JavaScript is urgently required to join a dynamic and innovative team in a leading organisation working on a fully remote basis. This is an excellent opportunity to contribute to technological developments, streamline processes, and enhance operational efficiency. The Role As a Developer, you will work closely with the Senior Developer to design and implement internal tools and solutions. Collaborating with various departments, you’ll support development-related queries and build integrations with third-party platforms via APIs. This role is central to improving workflows, enabling innovative practices, and contributing to the company’s technology strategy. The Company Our client is a forward-thinking organisation committed to technological advancement and efficiency.
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        NEW

        Senior Software Engineer

        Oscar Associates (UK) Limited
        OX15, Banbury
        £55000 - £65000 per annum
        We're currently working with a growing SaaS company based in Banbury that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a Lead Engineer position as the team grows. You will be working to develop and build their new payroll project, which will be rolling out nationally, and then internationally. This role is based in Banbury, and it will require you to be onsite a minimum of two days per week. * Professional software engineering experience (typically 5+ years) using C# / ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). * Significant understanding and practical experience with relational databases (MySQL /PostgreSQL preferred). * Expertise in version control systems (Git) and branching strategies (Gitflow).
        We're currently working with a growing SaaS company based in Banbury that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a Lead Engineer position as the team grows. You will be working to develop and build their new payroll project, which will be rolling out nationally, and then internationally. This role is based in Banbury, and it will require you to be onsite a minimum of two days per week. * Professional software engineering experience (typically 5+ years) using C# / ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). * Significant understanding and practical experience with relational databases (MySQL /PostgreSQL preferred). * Expertise in version control systems (Git) and branching strategies (Gitflow).
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        FEATURED

        Data Management and Business Intelligence Lead - Remote working

        Apsley Recruitment Ltd
        Bovingdon, CM7
        Up to £60,000 per annum bonus and strong package
        Strong experience of within the fields of Data Management, Application Estates and Business Intelligence platforms required for a role that will develop into a Senior Management Position. The focus will be on driving clarity, alignment, and performance across these domains. You will need to work closely with our outsourced delivery partners and internal stakeholders to ensure initiatives are well-defined, prioritised, and executed to high standards. While hands-on delivery is not the primary expectation, your ability to understand technical landscapes and translate business needs into actionable direction will be critical to success. Required Skills:- * Strong understanding of data management principles, including governance, quality, security, and life cycle. * Solid grasp of enterprise applications and how they support operational and strategic business functions.
        Strong experience of within the fields of Data Management, Application Estates and Business Intelligence platforms required for a role that will develop into a Senior Management Position. The focus will be on driving clarity, alignment, and performance across these domains. You will need to work closely with our outsourced delivery partners and internal stakeholders to ensure initiatives are well-defined, prioritised, and executed to high standards. While hands-on delivery is not the primary expectation, your ability to understand technical landscapes and translate business needs into actionable direction will be critical to success. Required Skills:- * Strong understanding of data management principles, including governance, quality, security, and life cycle. * Solid grasp of enterprise applications and how they support operational and strategic business functions.
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        Software Engineering Lead

        Dignity Funerals Limited
        Maidenhead Court, SL6 8LT
        Up to £110,000 per annum
        Contract: Full-Time, Permanent Location: Maidenhead, Berkshire (Hybrid flexible, 3 days office) Salary: Up to £110,000 per annum At Dignity and Farewill, we're redefining what end-of-life services can look and feel like - modern, compassionate, accessible. As we combine the scale and experience of Dignity with Farewill's tech-driven innovation, we're building a next-generation platform to support families at one of life's most important moments. We're looking for a Software Engineering Lead to join our growing technology team and help drive this transformation. This is a hands-on technical leadership role, responsible for guiding one of our key product domains - whether that's Funeral Plans, Legal Services, or At-Need Funerals - from strategy through to scalable, secure software delivery. What you'll be doing
        Contract: Full-Time, Permanent Location: Maidenhead, Berkshire (Hybrid flexible, 3 days office) Salary: Up to £110,000 per annum At Dignity and Farewill, we're redefining what end-of-life services can look and feel like - modern, compassionate, accessible. As we combine the scale and experience of Dignity with Farewill's tech-driven innovation, we're building a next-generation platform to support families at one of life's most important moments. We're looking for a Software Engineering Lead to join our growing technology team and help drive this transformation. This is a hands-on technical leadership role, responsible for guiding one of our key product domains - whether that's Funeral Plans, Legal Services, or At-Need Funerals - from strategy through to scalable, secure software delivery. What you'll be doing
        more
        FEATURED

        Solution Architect

        Stackstudio Digital Ltd.
        SL4, Windsor
        From £525 to £550 per day
        Job Title: Solution Architect Location: Windsor, UK Work Model: Hybrid (1 day per week in office) Job Type: Contract (Inside IR35) Duration: 6 Months We are seeking an experienced Solution Architect to join our team in Windsor. You will play a key role in defining, communicating, and implementing strategic technology standards and roadmaps, ensuring robust and scalable solutions for business transformation initiatives. This is a hybrid role requiring one day per week in the office. * Identify, publish, and communicate strategic technology standards, frameworks, principles, and roadmaps to guide technology decisions and leverage efficiency opportunities. * Analyze the impact of implementing new technologies into the IT infrastructure.
        Job Title: Solution Architect Location: Windsor, UK Work Model: Hybrid (1 day per week in office) Job Type: Contract (Inside IR35) Duration: 6 Months We are seeking an experienced Solution Architect to join our team in Windsor. You will play a key role in defining, communicating, and implementing strategic technology standards and roadmaps, ensuring robust and scalable solutions for business transformation initiatives. This is a hybrid role requiring one day per week in the office. * Identify, publish, and communicate strategic technology standards, frameworks, principles, and roadmaps to guide technology decisions and leverage efficiency opportunities. * Analyze the impact of implementing new technologies into the IT infrastructure.
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        NEW

        Software Test Analyst

        Hireful
        Banbury, Oxfordshire
        £35K - £40K Basic + Benefits package
        Are you looking to progress your career as a Software Test Analyst, at a UK based SaaS product company who have recently secured heavy investment & are scaling their technical teams? Do you love problem-solving, have high attention to detail & are looking for the career opportunity to progress skills in mobile / web & software testing in a technical environment? You will work closely with the Test Lead & cross-functional teams, including developers, product managers, and UI designers, to clarify requirements, identify risks, and ensure comprehensive test coverage. Job title: Test Analyst (Web, Mobile, Software) may also be known as: QA Analyst, Mobile Application Tester, Software Tester, etc. Location: Banbury, Oxfordshire. We operate a hybrid working environment: 2 days in-office, 3 days from home.
        Are you looking to progress your career as a Software Test Analyst, at a UK based SaaS product company who have recently secured heavy investment & are scaling their technical teams? Do you love problem-solving, have high attention to detail & are looking for the career opportunity to progress skills in mobile / web & software testing in a technical environment? You will work closely with the Test Lead & cross-functional teams, including developers, product managers, and UI designers, to clarify requirements, identify risks, and ensure comprehensive test coverage. Job title: Test Analyst (Web, Mobile, Software) may also be known as: QA Analyst, Mobile Application Tester, Software Tester, etc. Location: Banbury, Oxfordshire. We operate a hybrid working environment: 2 days in-office, 3 days from home.
        more
        NEWFEATURED

        Lead Android Engineer

        Halian Technology Limited
        RG1, Reading
        From £82,000 to £92,000 per annum
        Halian Technology are searching for aLead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
        Halian Technology are searching for aLead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
        more
        NEW

        Lead Android Engineer

        Halian Technology Limited
        RG12, Bracknell
        From £82,000 to £92,000 per annum
        Halian Technology are searching for aLead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
        Halian Technology are searching for aLead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
        more
        NEW
        18 Month Fixed Term Contract Milton Keynes: £53,000 - £57,000 Hybrid Working Ready to shape the future of digital assessment through precision, collaboration, and innovation? AQA is looking for a Senior Test Analyst - Automation with proven experience in creating automated tests using BDD methodology. You'll translate specifications into meaningful automated tests using C# toolsets and libraries such as Playwright. You're someone who thrives on quality, champions best practices, and is eager to play a key role in delivering the systems behind millions of GCSE and A-level results across the UK and internationally. This is more than just writing test scripts - it's your opportunity to influence how we build, test, and deliver software that truly matters.
        18 Month Fixed Term Contract Milton Keynes: £53,000 - £57,000 Hybrid Working Ready to shape the future of digital assessment through precision, collaboration, and innovation? AQA is looking for a Senior Test Analyst - Automation with proven experience in creating automated tests using BDD methodology. You'll translate specifications into meaningful automated tests using C# toolsets and libraries such as Playwright. You're someone who thrives on quality, champions best practices, and is eager to play a key role in delivering the systems behind millions of GCSE and A-level results across the UK and internationally. This is more than just writing test scripts - it's your opportunity to influence how we build, test, and deliver software that truly matters.
        more
        NEWFEATURED
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
        more
        NEWFEATURED

        Technical Architect

        Queen Square Recruitment Limited
        RG40, Wokingham
        £500 per day inside IR35
        Azure Technical Architect Start date: ASAP (within the next 4 weeks) Contract length: 6 months Day rate: £500 per day inside IR35 Location: Wokingham - 3 days per week onsite Our client, a large global consultancy, is looking for an Azure Solution Architectto play a key role in the RegDB decommission program, working closely with stakeholders and offshore teams to design, develop, and deliver high-quality Azure-based solutions. This is a hands-on role where you will combine solution design expertise with strong development and integration skills. * Collaborate with stakeholders and coordinate delivery with offshore teams. * Lead the development of the RegDB program and ensure on-time delivery of project code. * Provide clear and timely progress updates to stakeholders (daily/weekly). * Conduct requirement meetings and translate needs into technical solutions.
        Azure Technical Architect Start date: ASAP (within the next 4 weeks) Contract length: 6 months Day rate: £500 per day inside IR35 Location: Wokingham - 3 days per week onsite Our client, a large global consultancy, is looking for an Azure Solution Architectto play a key role in the RegDB decommission program, working closely with stakeholders and offshore teams to design, develop, and deliver high-quality Azure-based solutions. This is a hands-on role where you will combine solution design expertise with strong development and integration skills. * Collaborate with stakeholders and coordinate delivery with offshore teams. * Lead the development of the RegDB program and ensure on-time delivery of project code. * Provide clear and timely progress updates to stakeholders (daily/weekly). * Conduct requirement meetings and translate needs into technical solutions.
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        NEW

        Lead .Net Software Developer

        Hireful
        Milton Keynes, Buckinghamshire
        £65k - £75k base + Bonus
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more Location: Milton Keynes – Hybrid (2 days a week in office)
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more Location: Milton Keynes – Hybrid (2 days a week in office)
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        NEWFEATURED
        CLOUD ENGINEERING Proventeq is a Microsoft Solutions for Modern Work and a Microsoft Preferred Content AI Partner with a global customer base in over 25 countries. We are a specialist digital transformation solutions provider, focused on Microsoft 365 and other latest technologies such as AI/Machine Learning. Our customers include UK, USA, UAE, and Australian government departments and enterprises in various domains including space, financial services, engineering, research, legal, manufacturing, and more. Proventeq has headquarters in the UK and offices in Dubai, India, and USA. Despite our global footprint, our nimble team retains a close-knit feel. Location Reading, UK Department Software Developer Experience required 5+ years of experience Key Responsibilities
        CLOUD ENGINEERING Proventeq is a Microsoft Solutions for Modern Work and a Microsoft Preferred Content AI Partner with a global customer base in over 25 countries. We are a specialist digital transformation solutions provider, focused on Microsoft 365 and other latest technologies such as AI/Machine Learning. Our customers include UK, USA, UAE, and Australian government departments and enterprises in various domains including space, financial services, engineering, research, legal, manufacturing, and more. Proventeq has headquarters in the UK and offices in Dubai, India, and USA. Despite our global footprint, our nimble team retains a close-knit feel. Location Reading, UK Department Software Developer Experience required 5+ years of experience Key Responsibilities
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        NEW
        8x8, Inc. (NASDAQ: EGHT) believes that CX limits were meant to be shattered. We connect people and organizations through seamless communication on the industry's most integrated platform for Customer Experiencecombining Contact Center, Unified Communications, and CPaaS APIs. The 8x8 Platform for CX integrates AI at every level to enable personalized customer journeys, drive operational excellence and insights, and facilitate team collaboration. We help customer experience and IT leaders become the heartbeat of their organizations, empowering them to unlock the potential of every interaction. With one platform, one ecosystem, and one data model, you can turn every team into a customer-facing team and unify your CX to conquer the complexity.
        8x8, Inc. (NASDAQ: EGHT) believes that CX limits were meant to be shattered. We connect people and organizations through seamless communication on the industry's most integrated platform for Customer Experiencecombining Contact Center, Unified Communications, and CPaaS APIs. The 8x8 Platform for CX integrates AI at every level to enable personalized customer journeys, drive operational excellence and insights, and facilitate team collaboration. We help customer experience and IT leaders become the heartbeat of their organizations, empowering them to unlock the potential of every interaction. With one platform, one ecosystem, and one data model, you can turn every team into a customer-facing team and unify your CX to conquer the complexity.
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        Once For All is a high-growth, cloud-based, SaaS subscription business. Our technology helps our customers to manage their supply chain governance, risk management and compliance. We work across public and private sector and have over 250k customers across the UK across 20 different sectors including construction, transport, retail, hospitality education, facility and property management, manufacturing, local and central government. The rapidly growing Development team at Once For All is split into 10 SCRUM teams, each looking after and building a different set of applications using an Agile development methodology. The architecture is Microservices with CI/CD pipelines to accelerate delivery of our application.
        Once For All is a high-growth, cloud-based, SaaS subscription business. Our technology helps our customers to manage their supply chain governance, risk management and compliance. We work across public and private sector and have over 250k customers across the UK across 20 different sectors including construction, transport, retail, hospitality education, facility and property management, manufacturing, local and central government. The rapidly growing Development team at Once For All is split into 10 SCRUM teams, each looking after and building a different set of applications using an Agile development methodology. The architecture is Microservices with CI/CD pipelines to accelerate delivery of our application.
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        What is the average salary for API in Oxfordshire?

        Average salary per year
        £52,499

        The average salary for a API in Oxfordshire is £52,499. API in Oxfordshire salaries range from £48,750 to £62,499.

        Frequently Asked Questions

        How many contract API jobs are there in Oxfordshire?
        There are 31 contract API jobs within 20 miles of Oxfordshire available on Jobsite right now.

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