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        37 Temporary API jobs in Oxfordshire + 20 miles

        Contract Developer - Node.js, REST API, SIP, VOIP

        Reed Technology
        RG12, Bracknell
        £500 - £550 per day
        Contract Developer - Node.js development, REST API design, and SIP-based communications * Duration: 3 months (Outside IR35) * Location: Bracknell / Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment. * Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. * Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions.
        Contract Developer - Node.js development, REST API design, and SIP-based communications * Duration: 3 months (Outside IR35) * Location: Bracknell / Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment. * Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. * Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions.
        more
        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
        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.
        more
        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

        Test Analyst

        Oscar Associates (UK) Limited
        OX15, Banbury
        £35000 - £40000 per annum
        We're currently working with a growing SaaS company based in North Oxford that are looking for a Test Analyst to ensure the quality of their Mobile App and Web Applications. You will be expected to design and execute test strategies across functional, regression, end-to-end, and automation testing, with a particular focus on mobile app automation. Working closely with cross-functional team, you will help drive continuous improvement in testing practices and product delivery This role is based in North Oxford, and it will require you to be onsite three days per week. * Design, develop, and execute detailed test plans and test cases across Mobile App and Web applications.
        We're currently working with a growing SaaS company based in North Oxford that are looking for a Test Analyst to ensure the quality of their Mobile App and Web Applications. You will be expected to design and execute test strategies across functional, regression, end-to-end, and automation testing, with a particular focus on mobile app automation. Working closely with cross-functional team, you will help drive continuous improvement in testing practices and product delivery This role is based in North Oxford, and it will require you to be onsite three days per week. * Design, develop, and execute detailed test plans and test cases across Mobile App and Web applications.
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        FEATURED

        Graduate Web Developer

        Oscar Associates (UK) Limited
        Shelfleys, NN4
        £25000 - £30000 per annum
        Salary: £28,000 - £30,000 per annum Location: Northamptonshire (commutable from Northampton, Milton Keynes, Daventry, Wellingborough, Brackley, Banbury and surrounding areas) Hours: 9am - 5pm, Monday to Friday The Opportunity A fast-growing and award-winning technology business is looking for a Graduate Web Developer to join its expanding development team. This is a fantastic opportunity to kickstart your career in web development, working on WordPress-based projects and gaining exposure to the latest technologies in a collaborative and supportive environment. Working Arrangements * First 6 months: 5 days per week onsite (office-based) for training, mentoring, and team integration * After 6 months: Transition to a hybrid model with 2 days working from home each week What You'll Be Doing
        Salary: £28,000 - £30,000 per annum Location: Northamptonshire (commutable from Northampton, Milton Keynes, Daventry, Wellingborough, Brackley, Banbury and surrounding areas) Hours: 9am - 5pm, Monday to Friday The Opportunity A fast-growing and award-winning technology business is looking for a Graduate Web Developer to join its expanding development team. This is a fantastic opportunity to kickstart your career in web development, working on WordPress-based projects and gaining exposure to the latest technologies in a collaborative and supportive environment. Working Arrangements * First 6 months: 5 days per week onsite (office-based) for training, mentoring, and team integration * After 6 months: Transition to a hybrid model with 2 days working from home each week What You'll Be Doing
        more
        FEATURED
        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

        Front End Games Developer - Hybrid Remote

        VERTECH GROUP (UK) LTD
        OX4, Oxford
        From £55,000 to £75,000 per annum + Bonus + Benefits
        Front End Game Developer Location:Home Based / 1 day per week in Oxford Salary:Circa 55K 75K + Bonus + Benefits Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
        Front End Game Developer Location:Home Based / 1 day per week in Oxford Salary:Circa 55K 75K + Bonus + Benefits Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
        more
        FEATURED

        Senior Full Stack C# .Net Developer - Hybrid Remote

        VERTECH GROUP (UK) LTD
        OX4, Oxford
        From £70,000 to £85,000 per annum + Bonus + Benefits
        Senior Full Stack C# .Net Developer Location:Home based / 1 day per month in Oxford Salary:Circa 70K 85K DOE + Benefits Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL
        Senior Full Stack C# .Net Developer Location:Home based / 1 day per month in Oxford Salary:Circa 70K 85K DOE + Benefits Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL
        more
        FEATURED

        Senior .NET Integration Developer

        Oscar Associates (UK) Limited
        SL6, Maidenhead
        £50000 - £65000 per annum
        We have partnered with an exciting SaaS company who are looking for a Senior .NET Integration Developer to join their growing team. You will be developing and maintaining robust integrations with third party systems such as financial services, telematics platforms and mapping APIs. * Develop and maintain secure, well-documented financial and third-party integrations. * Enhance the integration framework for scalability, performance, and industry alignment. * Assist customers and partners in integration setup and API/gateway usage. * Support and expand integrations for features like event tracking and CO2 reporting. * Ensure integration development aligns with modern security and GDPR standards. * Implement structured logging, monitoring, and documentation. * Contribute to internal knowledge bases and explore automation tools (Power Automate, Zapier).
        We have partnered with an exciting SaaS company who are looking for a Senior .NET Integration Developer to join their growing team. You will be developing and maintaining robust integrations with third party systems such as financial services, telematics platforms and mapping APIs. * Develop and maintain secure, well-documented financial and third-party integrations. * Enhance the integration framework for scalability, performance, and industry alignment. * Assist customers and partners in integration setup and API/gateway usage. * Support and expand integrations for features like event tracking and CO2 reporting. * Ensure integration development aligns with modern security and GDPR standards. * Implement structured logging, monitoring, and documentation. * Contribute to internal knowledge bases and explore automation tools (Power Automate, Zapier).
        more
        FEATURED

        Software Developer

        Oscar Associates (UK) Limited
        OX15, Banbury
        £45000 - £50000 per annum
        Software API Developer - Hybrid - Salary £50k (DOE) We are currently working with a growing SaaS company based in Oxfordshire, who have an exciting opportunity for a Software developer experienced with C#, .NET Core, and ASP.NET to join their growing Agile Development team. You will be designing, developing, and optimising backend services and RESTful APIs. Also, you will be managing and developing their user journey, creating technical specification to develop new functionality. This role is based in north Oxford and will require you to be on site 2 days per week. * Design, develop, and optimize backend services and RESTful APIs. * Collaborate with the System Architect and other technical stakeholders to define and implement scalable solutions. * Analyse technical requirements and produce efficient, maintainable code.
        Software API Developer - Hybrid - Salary £50k (DOE) We are currently working with a growing SaaS company based in Oxfordshire, who have an exciting opportunity for a Software developer experienced with C#, .NET Core, and ASP.NET to join their growing Agile Development team. You will be designing, developing, and optimising backend services and RESTful APIs. Also, you will be managing and developing their user journey, creating technical specification to develop new functionality. This role is based in north Oxford and will require you to be on site 2 days per week. * Design, develop, and optimize backend services and RESTful APIs. * Collaborate with the System Architect and other technical stakeholders to define and implement scalable solutions. * Analyse technical requirements and produce efficient, maintainable code.
        more
        FEATURED
        Are you an experienced .Net (C#) Developer, with some solid experience in API development, looking to take on your next Software Engineering role in a growing SaaS product company? Keen to grow your technical skills around .Net 8 / C# / API & MySQL development & look into new Generative AI / LLM dev' tools, too? If yes to the above & you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: .Net (C#) API Developer Location: Banbury, Oxfordshire. Hybrid working: 2 office days per week, 3 from home, flexible. Salary: ~£50K Basic + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product team & obviously fellow software engineers in your team.
        Are you an experienced .Net (C#) Developer, with some solid experience in API development, looking to take on your next Software Engineering role in a growing SaaS product company? Keen to grow your technical skills around .Net 8 / C# / API & MySQL development & look into new Generative AI / LLM dev' tools, too? If yes to the above & you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: .Net (C#) API Developer Location: Banbury, Oxfordshire. Hybrid working: 2 office days per week, 3 from home, flexible. Salary: ~£50K Basic + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product team & obviously fellow software engineers in your team.
        more
        NEWFEATURED

        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).
        more
        FEATURED

        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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        Salesforce Developer

        Queen Square Recruitment Limited
        SL4, Windsor
        £500 per day
        Job Title: Salesforce Vlocity Developer Location: Windsor, UK (Hybrid 1 day per week onsite) Contract Duration: 6 Months Day Rate: £500 Inside IR35 About the Role We are looking for an experienced Salesforce Vlocity Developer to join a major business unit on a 6-month contract. This is a hybrid role requiring weekly onsite presence in Windsor, offering an exciting opportunity to work on cutting-edge Salesforce solutions within a collaborative team environment. Key Responsibilities * Design and develop custom Vlocity solutions on the Salesforce platform, including CPQ, CLM, and OmniStudio. * Translate business and product requirements into technical specifications. * Build and maintain Vlocity data models, including objects, fields, and relationships. * Develop custom Apex classes, triggers, and Lightning Web Components.
        Job Title: Salesforce Vlocity Developer Location: Windsor, UK (Hybrid 1 day per week onsite) Contract Duration: 6 Months Day Rate: £500 Inside IR35 About the Role We are looking for an experienced Salesforce Vlocity Developer to join a major business unit on a 6-month contract. This is a hybrid role requiring weekly onsite presence in Windsor, offering an exciting opportunity to work on cutting-edge Salesforce solutions within a collaborative team environment. Key Responsibilities * Design and develop custom Vlocity solutions on the Salesforce platform, including CPQ, CLM, and OmniStudio. * Translate business and product requirements into technical specifications. * Build and maintain Vlocity data models, including objects, fields, and relationships. * Develop custom Apex classes, triggers, and Lightning Web Components.
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        Software Developer

        S-SA Digital Recruitment Ltd
        MK12, Milton Keynes
        40k/year - 50k/year
        C# / .NET Developer (mid-Snr) Location Milton Keynes (Hybrid 3 days office) Salary £40-50k Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity One of S-SA Digitals favouriteDevelopment houses are building aout their team for 2025, And we kick off with 2 .Net Developer roles (Mid / Snr) based in Milton Keynes but offering Hybrid (2 days WFH) as they still like to get together and collaborate. This is a superb opportunity for any developer who is passionate about .Net Development and has chosen .Net /.NET Core as the weapon of choice then this is a great opportunity to join one of the Midlands leading and award winning C# / .NET development Houses developing Cutting edge web applications .
        C# / .NET Developer (mid-Snr) Location Milton Keynes (Hybrid 3 days office) Salary £40-50k Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity One of S-SA Digitals favouriteDevelopment houses are building aout their team for 2025, And we kick off with 2 .Net Developer roles (Mid / Snr) based in Milton Keynes but offering Hybrid (2 days WFH) as they still like to get together and collaborate. This is a superb opportunity for any developer who is passionate about .Net Development and has chosen .Net /.NET Core as the weapon of choice then this is a great opportunity to join one of the Midlands leading and award winning C# / .NET development Houses developing Cutting edge web applications .
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        Are you a Software Developer in Test or an experienced QA skilled in automation? Knowledgeable in the Microsoft stack, especially Azure and .NET? If you're passionate about delivering top-tier quality and thrive in a fast-paced environment, we want you on board! We are Preservica and our active digital preservation solutions are at the razor's edge of commercial software solutions, addressing the need for smart digital preservation technology. Our award-winning software is used by leading businesses, archives, libraries, museums and government organisations across the globe. We are world leaders and proud of our achievements - but to stay ahead we need the brightest and most talented innovators to join our development team. This will be a hybrid role, with time split between home working and regular office days. The Role
        Are you a Software Developer in Test or an experienced QA skilled in automation? Knowledgeable in the Microsoft stack, especially Azure and .NET? If you're passionate about delivering top-tier quality and thrive in a fast-paced environment, we want you on board! We are Preservica and our active digital preservation solutions are at the razor's edge of commercial software solutions, addressing the need for smart digital preservation technology. Our award-winning software is used by leading businesses, archives, libraries, museums and government organisations across the globe. We are world leaders and proud of our achievements - but to stay ahead we need the brightest and most talented innovators to join our development team. This will be a hybrid role, with time split between home working and regular office days. The Role
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        Professional Services within Fortinet is an integral part of the support and services organization. As a result, the Consultant will collaborate effectively with peers to drive customer success. The Consultant is a member of the Telco practice team, which is focused on the telecommunications market. The Professional Services Consultant works with clients and partners remotely and/or onsite on engagements of high complexity. The consultant can demonstrate his/her ability to participate in customer success from the pre-sales/scoping phase to project closure. He/she focuses on design as well as implementation aspects of project delivery, such as requirements analysis & design, firewall and enhanced security products implementation and optimization, with all related documentation.
        Professional Services within Fortinet is an integral part of the support and services organization. As a result, the Consultant will collaborate effectively with peers to drive customer success. The Consultant is a member of the Telco practice team, which is focused on the telecommunications market. The Professional Services Consultant works with clients and partners remotely and/or onsite on engagements of high complexity. The consultant can demonstrate his/her ability to participate in customer success from the pre-sales/scoping phase to project closure. He/she focuses on design as well as implementation aspects of project delivery, such as requirements analysis & design, firewall and enhanced security products implementation and optimization, with all related documentation.
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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 temporary API jobs are there in Oxfordshire?
        There are 37 temporary API jobs within 20 miles of Oxfordshire available on Jobsite right now.

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