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        Last 14 days
        165

        19 Contract API jobs in Henley-On-Thames + 20 miles

        Data Engineer

        Infoplus Technologies UK Ltd
        Harmondsworth, West Drayton (UB7)
        From £450 to £500 per day
        Strong knowledge of data modeling and API integration.
        Strong knowledge of data modeling and API integration.
        Support customers with issue resolution across API and manual dispatch services
        Support customers with issue resolution across API and manual dispatch services
        FEATURED
        Position Overview - TheEnterprise Architectacts as a key advisor to the Business Unit or Functional leadership team and as a major contributor to McCormicksEnterprise Architecture (EA)strategy. This role engages collaboratively with business and technology leaders to understand strategic business needs and roadmaps, solve complex technology and architecture challenges, and shape the technology strategy that enables McCormicks growth and transformation. The position leads architecture strategy development defines technology roadmaps and guardrails and ensures alignment with enterprise standards and guiding principles. The Enterprise Architect represents the domains needs within the broader EA framework, tracks emerging technologies, and assesses their potential to create business value. This role influences EA and Global IT strategic goals by maintaining awareness of value ...
        Position Overview - TheEnterprise Architectacts as a key advisor to the Business Unit or Functional leadership team and as a major contributor to McCormicksEnterprise Architecture (EA)strategy. This role engages collaboratively with business and technology leaders to understand strategic business needs and roadmaps, solve complex technology and architecture challenges, and shape the technology strategy that enables McCormicks growth and transformation. The position leads architecture strategy development defines technology roadmaps and guardrails and ensures alignment with enterprise standards and guiding principles. The Enterprise Architect represents the domains needs within the broader EA framework, tracks emerging technologies, and assesses their potential to create business value. This role influences EA and Global IT strategic goals by maintaining awareness of value ...
        more

        Full Stack Engineer

        Halian Technology Limited
        Reading (RG1)
        Up to £100,000 per annum
        Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
        Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
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        AI Solutions Consultant

        83zero Limited
        Reading (RG1)
        £55000 - £65000 per annum + + £5k car, 9 day fortnight + much more!
        £55,000 - £65,000 + Exceptional Benefits (DOE) Full-Time | Remote (UK) | Microsoft Solutions Partner? What's on Offer * £55,000-£65,000 base salary (DOE) * £5k cash car allowance per annum * 9-day fortnight (every other Friday off) * Remote-first with access to Reading office & regional hubs * Private Medical (Vitality) + Medical Cash Plan * Income Protection & Life Assurance * 25-28 days holiday + birthday off * Buy/sell up to 10 days holiday * Pension (5.5% employer / 4% employee) * EV car scheme, Cycle to Work, Gym discounts * Dedicated training budget (including AI certifications) * Structured career path into AI & Copilot technologies * Quarterly reviews & progression support * Recognition schemes, bonuses & awards * Award-winning culture (Great Place to Work)?? The Role - This is a career-defining opportunity for a Power Platform professional looking to move into AI consulting.
        £55,000 - £65,000 + Exceptional Benefits (DOE) Full-Time | Remote (UK) | Microsoft Solutions Partner? What's on Offer * £55,000-£65,000 base salary (DOE) * £5k cash car allowance per annum * 9-day fortnight (every other Friday off) * Remote-first with access to Reading office & regional hubs * Private Medical (Vitality) + Medical Cash Plan * Income Protection & Life Assurance * 25-28 days holiday + birthday off * Buy/sell up to 10 days holiday * Pension (5.5% employer / 4% employee) * EV car scheme, Cycle to Work, Gym discounts * Dedicated training budget (including AI certifications) * Structured career path into AI & Copilot technologies * Quarterly reviews & progression support * Recognition schemes, bonuses & awards * Award-winning culture (Great Place to Work)?? The Role - This is a career-defining opportunity for a Power Platform professional looking to move into AI consulting.
        more
        NEW

        AI Solutions Consultant

        83zero Limited
        Reading (RG1)
        £60000 - £75000 per annum + + £5k car, 9 day fortnight + much more!
        Power Platform AI Solutions Consultant (Power Platform ? £60,000 - £75,000 + Exceptional Benefits (DOE) Full-Time | Remote (UK) | Microsoft Solutions Partner? What's on Offer * £60,000 - £75,000 base salary (DOE) * 9-day fortnight (every other Friday off) * Remote-first with access to Reading office & regional hubs * Private Medical (Vitality) + Medical Cash Plan * Income Protection & Life Assurance * 25-28 days holiday + birthday off * Buy/sell up to 10 days holiday * Pension (5.5% employer / 4% employee) * EV car scheme, Cycle to Work, Gym discounts * Dedicated training budget (including AI certifications) * Structured career path into AI & Copilot technologies * Quarterly reviews & progression support * Recognition schemes, bonuses & awards * Award-winning culture (Great Place to Work)?? The Role - This is a career-defining opportunity for a Power Platform professional looking to move ...
        Power Platform AI Solutions Consultant (Power Platform ? £60,000 - £75,000 + Exceptional Benefits (DOE) Full-Time | Remote (UK) | Microsoft Solutions Partner? What's on Offer * £60,000 - £75,000 base salary (DOE) * 9-day fortnight (every other Friday off) * Remote-first with access to Reading office & regional hubs * Private Medical (Vitality) + Medical Cash Plan * Income Protection & Life Assurance * 25-28 days holiday + birthday off * Buy/sell up to 10 days holiday * Pension (5.5% employer / 4% employee) * EV car scheme, Cycle to Work, Gym discounts * Dedicated training budget (including AI certifications) * Structured career path into AI & Copilot technologies * Quarterly reviews & progression support * Recognition schemes, bonuses & awards * Award-winning culture (Great Place to Work)?? The Role - This is a career-defining opportunity for a Power Platform professional looking to move ...
        more
        NEW

        Python Developer

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £300 to £340 per day
        Role Details - Role / Job Title:Python Developer - Work Location:Wokingham, UK - Mode of Working:Office - The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Python's core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Your Responsibilities - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code.
        Role Details - Role / Job Title:Python Developer - Work Location:Wokingham, UK - Mode of Working:Office - The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Python's core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Your Responsibilities - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code.
        more
        Job Title: Retailer Systems Project Consultant - Location: Hybrid, 2 days in the office (Farnborough) Salary: Competitive + Performance Bonus - Job type: Full time, Permanent - Working Hours: 40 Hours Per Week - Application Deadline: 3rd April 2026 - The Retailer Systems Project Consultant is responsible for supporting, coordinating, and delivering sales and CRM projects within our client's Network Digitalisation department. These projects will primarily focus on providing state of the art systems for the wider Retailer Network. This role ensures that initiatives are completed on time, within budget, and to the desired quality standards, whilst aligning with strategic business objectives. The Project Consultant will be actively involved in the planning, testing, execution and deployment of new retailer systems, upgrades, and technology rollouts, working collaboratively with ...
        Job Title: Retailer Systems Project Consultant - Location: Hybrid, 2 days in the office (Farnborough) Salary: Competitive + Performance Bonus - Job type: Full time, Permanent - Working Hours: 40 Hours Per Week - Application Deadline: 3rd April 2026 - The Retailer Systems Project Consultant is responsible for supporting, coordinating, and delivering sales and CRM projects within our client's Network Digitalisation department. These projects will primarily focus on providing state of the art systems for the wider Retailer Network. This role ensures that initiatives are completed on time, within budget, and to the desired quality standards, whilst aligning with strategic business objectives. The Project Consultant will be actively involved in the planning, testing, execution and deployment of new retailer systems, upgrades, and technology rollouts, working collaboratively with ...
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        PREMIUM
        Company description - At Circana, we are fueled by our passion for continuous learning and growth, we seek and share feedback freely, and we celebrate victories both big and small in an environment that is flexible and accommodating to our work and personal lives. Job description - The Client Technical Customer Support role involves providing expert assistance to internal and external clients by troubleshooting AI technical issues and ensuring seamless operation of Circana products and services. This position requires strong problem-solving skills, excellent communication, and a deep understanding of the company's offerings. By addressing client concerns promptly and effectively, the role helps maintain high levels of customer satisfaction and loyalty. Additionally, it involves collaborating with other teams to improve overall service quality and client experience.
        Company description - At Circana, we are fueled by our passion for continuous learning and growth, we seek and share feedback freely, and we celebrate victories both big and small in an environment that is flexible and accommodating to our work and personal lives. Job description - The Client Technical Customer Support role involves providing expert assistance to internal and external clients by troubleshooting AI technical issues and ensuring seamless operation of Circana products and services. This position requires strong problem-solving skills, excellent communication, and a deep understanding of the company's offerings. By addressing client concerns promptly and effectively, the role helps maintain high levels of customer satisfaction and loyalty. Additionally, it involves collaborating with other teams to improve overall service quality and client experience.
        more

        Python Developer

        Infoplus Technologies UK Ltd
        Wokingham, Berkshire
        From £320 to £380 per day
        The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Pythons core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Work from Office - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code. Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI.
        The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Pythons core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Work from Office - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code. Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI.
        more

        Machine Learning Engineer

        Halian Technology Limited
        New Town, Reading (RG1), RG1
        From £60,000 to £90,000 per annum
        JOB- Machine Learning Engineer - LOCATION- Reading - TERM- Permanent - SALARY- £60,000 to £90,000 per annum (plus benefits) My client is a technology-focused organisation developing advanced AI and data-driven solutions across a range of industries. They are looking to expand their technical team by hiring a Machine Learning Engineer to support the development and deployment of intelligent systems from their offices in Reading. Knowledge / experience in Machine Learning, Artificial Intelligence, or Data Science - A degree qualification (BSc, MSc, PhD etc.) in Computer Science, Data Science, Mathematics, Statistics, Artificial Intelligence or similar - Strong programming skills in Python - Experience with machine learning libraries such as TensorFlow, PyTorch, or Scikit-learn - Experience working with large datasets and building data pipelines
        JOB- Machine Learning Engineer - LOCATION- Reading - TERM- Permanent - SALARY- £60,000 to £90,000 per annum (plus benefits) My client is a technology-focused organisation developing advanced AI and data-driven solutions across a range of industries. They are looking to expand their technical team by hiring a Machine Learning Engineer to support the development and deployment of intelligent systems from their offices in Reading. Knowledge / experience in Machine Learning, Artificial Intelligence, or Data Science - A degree qualification (BSc, MSc, PhD etc.) in Computer Science, Data Science, Mathematics, Statistics, Artificial Intelligence or similar - Strong programming skills in Python - Experience with machine learning libraries such as TensorFlow, PyTorch, or Scikit-learn - Experience working with large datasets and building data pipelines
        more

        DevOps Engineer, Azure, Terraform, COR7485A

        Corriculo Ltd
        Littlemore, Oxford (OX4), OX4
        £60k - 75k per year + Benefits
        Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
        Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
        more
        NEW
        Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
        Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
        more
        NEW
        You'll be involved in API design, PostgreSQL performance optimisation, frontend state management, CI/CD pipelines, and cloud infrastructure, while collaborating closely with Product, Data, and commercial stakeholders.
        You'll be involved in API design, PostgreSQL performance optimisation, frontend state management, CI/CD pipelines, and cloud infrastructure, while collaborating closely with Product, Data, and commercial stakeholders.
        more
        Proven track record in consultative selling within enterprise software, preferably in iPaaS, integration, API management, or cloud domains * Engage with the latest in AI-powered integration, API management, and intelligent automation through DXC's strategic alliance with Boomi
        Proven track record in consultative selling within enterprise software, preferably in iPaaS, integration, API management, or cloud domains * Engage with the latest in AI-powered integration, API management, and intelligent automation through DXC's strategic alliance with Boomi
        more
        PREMIUM

        ERP Developer

        Bremont Watch Company Limited
        Henley-On-Thames, Oxfordshire
        Competitive
        This role is focused on the development, optimisation, and ongoing enhancement of our Priority ERP system. As a key member of the Business Systems team, you will take ownership of ERP-related projects and deliver solutions that improve business processes, data integrity, and operational efficiency. Working closely with Business Systems, Finance, Operations, Supply Chain, and other departments, you will be responsible for designing, developing, testing, and maintaining customisations, reports, workflows, and integrations within Priority ERP to support business growth and continuous improvement. * Design, develop, and implement enhancements within the Priority ERP system - o Form Triggers - o Procedures - o Reports - o Documents (HTML and Word formats) o Form Interfaces - o Additional fields within tables and forms
        This role is focused on the development, optimisation, and ongoing enhancement of our Priority ERP system. As a key member of the Business Systems team, you will take ownership of ERP-related projects and deliver solutions that improve business processes, data integrity, and operational efficiency. Working closely with Business Systems, Finance, Operations, Supply Chain, and other departments, you will be responsible for designing, developing, testing, and maintaining customisations, reports, workflows, and integrations within Priority ERP to support business growth and continuous improvement. * Design, develop, and implement enhancements within the Priority ERP system - o Form Triggers - o Procedures - o Reports - o Documents (HTML and Word formats) o Form Interfaces - o Additional fields within tables and forms
        more

        146 exact matches jobs are outside your preferred location

        Technical Product Manager API SaaS

        Client Server
        Shoreditch, East London (E1), EC2A
        £95000 - £120000 per annum + benefits
        You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
        You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
        more
        NEWPREMIUM
        We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
        We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
        more
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        more
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        more
        This is an excellent opportunity for a senior engineer with strong scripting and API skills who wants to design intelligent solutions, streamline operations, and help create reusable automation packages that can later be rolled out to customers. * Designing and implementing automation workflows using Python, REST API integrations, Microsoft Graph API, Power Automate, JavaScript, and PowerShell. * Working on API-driven solutions and integrations with emerging technologies, including links into OpenAI and other modern automation capabilities. * Strong practical understanding of API integrations and how to connect multiple systems in a secure, stable way. * Working knowledge of Microsoft Graph API, Power Automate, JavaScript and/or PowerShell.
        This is an excellent opportunity for a senior engineer with strong scripting and API skills who wants to design intelligent solutions, streamline operations, and help create reusable automation packages that can later be rolled out to customers. * Designing and implementing automation workflows using Python, REST API integrations, Microsoft Graph API, Power Automate, JavaScript, and PowerShell. * Working on API-driven solutions and integrations with emerging technologies, including links into OpenAI and other modern automation capabilities. * Strong practical understanding of API integrations and how to connect multiple systems in a secure, stable way. * Working knowledge of Microsoft Graph API, Power Automate, JavaScript and/or PowerShell.
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        NEW

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        Frequently Asked Questions

        How many contract API jobs are there in Henley-On-Thames?
        There are 19 contract API jobs within 20 miles of Henley-On-Thames available on CWJobs right now.

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