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        Last 14 days
        417

        21 Contract API jobs in Slough + 20 miles

        Full Stack Engineer - Equity

        Dental startup
        Central London (W1)
        Up to £60,000 per annum Equity - Founding Engineer
        You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
        You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
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        GIS Technician

        Morson Edge
        Euston, North West London (NW1), NW1 3SA
        Market related
        API integration
        API integration
        PREMIUM

        Enterprise Architect – Corporate Technology

        Ventula Consulting Limited
        South West London (SW1)
        From £850 to £900 per day
        One of the worlds great FMCGs (FTSE 100) requires an Enterprise Architect in its Corporate Tech function. This role is anchored in Enterprise Architecture and is focused on building and maturing EA capability in an evolving Corporate Functions environment. It combines strong architectural judgement with the ability to partner, influence, and drive pragmatic, outcome-led change in a landscape with emerging maturity and legacy complexity. As an Enterprise Architect with deep expertise in Finance and Corporate Technologies, you will bridge the gap between enterprise technology and key business objectives across corporate functions. You will design and govern architectures that enable enterprise-wide transformation, ensuring alignment with CFO, CHRO, CPO, and General Counsel priorities. Your domain knowledge will drive the evolution of systems for core Finance, HR, Legal, and ...
        One of the worlds great FMCGs (FTSE 100) requires an Enterprise Architect in its Corporate Tech function. This role is anchored in Enterprise Architecture and is focused on building and maturing EA capability in an evolving Corporate Functions environment. It combines strong architectural judgement with the ability to partner, influence, and drive pragmatic, outcome-led change in a landscape with emerging maturity and legacy complexity. As an Enterprise Architect with deep expertise in Finance and Corporate Technologies, you will bridge the gap between enterprise technology and key business objectives across corporate functions. You will design and govern architectures that enable enterprise-wide transformation, ensuring alignment with CFO, CHRO, CPO, and General Counsel priorities. Your domain knowledge will drive the evolution of systems for core Finance, HR, Legal, and ...
        more
        FixMyCar is currently working hard to grow the digitalisation of the UK aftermarket in the Automotive sector, by driving growth for Garages through smarter tools to increase efficiency and meet evolving consumer behaviour. With an exciting mission ahead, we are looking for a proactive Mid-Level NodeJS Engineer to build and evolve scalable backend services using Node.js and TypeScript, working closely across our small team to implement features that truly make an impact to our platform and product. The ideal candidate will love problem-solving, learning new tech, and ensuring high code quality standards at all times. In this hands-on role, they will flourish in an Agile environment and enjoy continuously improving how systems are built, deployed, and scaled. They are a key role in how FixMyCars software applications are developed and maintained. Key Responsibilities
        FixMyCar is currently working hard to grow the digitalisation of the UK aftermarket in the Automotive sector, by driving growth for Garages through smarter tools to increase efficiency and meet evolving consumer behaviour. With an exciting mission ahead, we are looking for a proactive Mid-Level NodeJS Engineer to build and evolve scalable backend services using Node.js and TypeScript, working closely across our small team to implement features that truly make an impact to our platform and product. The ideal candidate will love problem-solving, learning new tech, and ensuring high code quality standards at all times. In this hands-on role, they will flourish in an Agile environment and enjoy continuously improving how systems are built, deployed, and scaled. They are a key role in how FixMyCars software applications are developed and maintained. Key Responsibilities
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        Python Software Engineer GCP FastAPI - Start-up

        Client Server
        West End, Central London (W1), W1U
        £90000 - £100000 per annum + benefits
        Python Software Engineer / Developer (GCP FastAPI) London / WFH to £100k - Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up. As a Python Software Engineer you'll join a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots of new projects to get stuck into. You'll be collaboratively problem solving in a hands-on role which could progress to Principal Engineer or Team Lead if desired as the company continues to scale. You'll join colleagues in the Central London office with flexibility to work from home twice a week in a hybrid model. * You're an experienced Software Engineer with a strong knowledge of software ...
        Python Software Engineer / Developer (GCP FastAPI) London / WFH to £100k - Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up. As a Python Software Engineer you'll join a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots of new projects to get stuck into. You'll be collaboratively problem solving in a hands-on role which could progress to Principal Engineer or Team Lead if desired as the company continues to scale. You'll join colleagues in the Central London office with flexibility to work from home twice a week in a hybrid model. * You're an experienced Software Engineer with a strong knowledge of software ...
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        PREMIUM

        Python Developer / Team Lead

        Client Server
        Soho, Central London (W1), W1D
        £90000 - £120000 per annum + benefits
        Are you a skilled Python Developer with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Python Developer / Team Lead you'll head up a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots of new projects to get stuck into. You'll be collaboratively problem solving in a hands-on role with approximately 50/50 split between architecture / design and people management. You'll set the standards and mentor more junior developers, fostering a culture of continuous improvement and self development. You'll join colleagues in the Central London office with flexibility to work from home twice a week in a hybrid model.
        Are you a skilled Python Developer with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Python Developer / Team Lead you'll head up a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots of new projects to get stuck into. You'll be collaboratively problem solving in a hands-on role with approximately 50/50 split between architecture / design and people management. You'll set the standards and mentor more junior developers, fostering a culture of continuous improvement and self development. You'll join colleagues in the Central London office with flexibility to work from home twice a week in a hybrid model.
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        PREMIUM

        Web GIS Developer

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £300 to £340 per day
        Role/Job Title:Web GIS Developer - Work Location:Wokingham - Mode of Working: Onsite - Duration of Assignment:6 months - Role Summary - We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. The candidate will work closely with project teams to build spatial solutions using ESRI technologies, integrate GIS components with enterprise systems, and support geospatial data management and visualization needs. This role requires strong hands on experience in GIS development, spatial databases, web technologies, and ArcGIS Enterprise components. Key Responsibilities - Develop and maintain GIS-based web applications using ESRI technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store.
        Role/Job Title:Web GIS Developer - Work Location:Wokingham - Mode of Working: Onsite - Duration of Assignment:6 months - Role Summary - We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. The candidate will work closely with project teams to build spatial solutions using ESRI technologies, integrate GIS components with enterprise systems, and support geospatial data management and visualization needs. This role requires strong hands on experience in GIS development, spatial databases, web technologies, and ArcGIS Enterprise components. Key Responsibilities - Develop and maintain GIS-based web applications using ESRI technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store.
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        Salesforce Technical Lead

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £470 to £500 per day
        Role Details * Role/Job Title: Salesforce Technical Lead * Work Location: Wokingham/Warwick * Hybrid Requirement: 3 days * Duration of Assignment: 6 months * Other Working Conditions: Work from Office for 3 days must - The Role - Seeking a highly skilled Salesforce Technical Lead to lead the design, development, and delivery of Salesforce solutions. The ideal candidate will have strong hands-on expertise in Salesforce development, proven experience in leading technical teams, and the ability to translate business requirements into robust, scalable technical solutions. Your Responsibilities - Development & Customization * Lead the design, development, and delivery of Salesforce technical solutions * Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce Flows * Design and implement customized solutions across Sales Cloud, Service Cloud, and ...
        Role Details * Role/Job Title: Salesforce Technical Lead * Work Location: Wokingham/Warwick * Hybrid Requirement: 3 days * Duration of Assignment: 6 months * Other Working Conditions: Work from Office for 3 days must - The Role - Seeking a highly skilled Salesforce Technical Lead to lead the design, development, and delivery of Salesforce solutions. The ideal candidate will have strong hands-on expertise in Salesforce development, proven experience in leading technical teams, and the ability to translate business requirements into robust, scalable technical solutions. Your Responsibilities - Development & Customization * Lead the design, development, and delivery of Salesforce technical solutions * Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce Flows * Design and implement customized solutions across Sales Cloud, Service Cloud, and ...
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        Salesforce Solution Architect

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £500 to £525 per day
        Role Details * Role/Job Title: Salesforce Solution Architect * Work Location: Warwick/Wokingham * Mode of Working: Hybrid * Hybrid Requirement: 3 days * Duration of Assignment: 6 months - The Role - Seeking a highly skilled Salesforce Architect with deep expertise in enterprise-scale Salesforce architecture, complex integrations, and large digital transformation programs. The Salesforce Architect will be responsible for defining end-to-end solution architecture, guiding delivery teams, and partnering with senior business and IT stakeholders to deliver scalable, secure, and business-aligned Salesforce solutions. This role requires strong technical depth, architectural vision, hands-on guidance, and excellent communication and leadership skills. Your Responsibilities - Architecture & Technical Leadership * Define and own the end-to-end Salesforce architecture across enterprise programs
        Role Details * Role/Job Title: Salesforce Solution Architect * Work Location: Warwick/Wokingham * Mode of Working: Hybrid * Hybrid Requirement: 3 days * Duration of Assignment: 6 months - The Role - Seeking a highly skilled Salesforce Architect with deep expertise in enterprise-scale Salesforce architecture, complex integrations, and large digital transformation programs. The Salesforce Architect will be responsible for defining end-to-end solution architecture, guiding delivery teams, and partnering with senior business and IT stakeholders to deliver scalable, secure, and business-aligned Salesforce solutions. This role requires strong technical depth, architectural vision, hands-on guidance, and excellent communication and leadership skills. Your Responsibilities - Architecture & Technical Leadership * Define and own the end-to-end Salesforce architecture across enterprise programs
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        Interim Power Platform Consultant

        Resourgenix Ltd
        Englefield Green, Egham (TW20), TW20 0EX
        From £461 to £461 per day
        Working as part of a small technical team and reporting to the Head of Digital Design and Delivery, this role is responsible for the design and implementation of solutions to provide operational efficiency using the Microsoft Power Platform. The role will support the needs of Professional Services and student-facing teams across the University by delivering practical, value-driven automation that enhances operational efficiency, service quality and user experience. The role will work closely with business stakeholders to co-design Power Platform based solutions, define requirements, and translate these into robust, scalable implementations. This includes building workflows using Power Automate and integrating with other APIs or Microsoft tools to meet specific operational challenges across various professional services teams.
        Working as part of a small technical team and reporting to the Head of Digital Design and Delivery, this role is responsible for the design and implementation of solutions to provide operational efficiency using the Microsoft Power Platform. The role will support the needs of Professional Services and student-facing teams across the University by delivering practical, value-driven automation that enhances operational efficiency, service quality and user experience. The role will work closely with business stakeholders to co-design Power Platform based solutions, define requirements, and translate these into robust, scalable implementations. This includes building workflows using Power Automate and integrating with other APIs or Microsoft tools to meet specific operational challenges across various professional services teams.
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        Power Platform Developer

        Informed Recruitment Limited
        Hemel Hempstead (HP1)
        £50000 - £55000 per annum
        Are you a talented Power Platform Developer? Do you want to work for an emerging, cutting-edge consultancy providing digital transformation solutions and offering you autonomy and opportunity for growth? If this describes you, then let Informed Recruitment help you achieve your potential with an exciting Development opportunity. As a specialist provider of resources to the Property & Associated Technology markets, we are partnering with a niche, cutting edge, and award-winning digital consultancy developing bespoke solutions for customers within the Property Services, Facilities Management and Real Estate marketplaces. The purpose of the role will be to work within an agile framework to develop, test, support, and maintain bespoke Power Platform and Microsoft Dynamics applications for customers.
        Are you a talented Power Platform Developer? Do you want to work for an emerging, cutting-edge consultancy providing digital transformation solutions and offering you autonomy and opportunity for growth? If this describes you, then let Informed Recruitment help you achieve your potential with an exciting Development opportunity. As a specialist provider of resources to the Property & Associated Technology markets, we are partnering with a niche, cutting edge, and award-winning digital consultancy developing bespoke solutions for customers within the Property Services, Facilities Management and Real Estate marketplaces. The purpose of the role will be to work within an agile framework to develop, test, support, and maintain bespoke Power Platform and Microsoft Dynamics applications for customers.
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        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
        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.
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        We are proud of our market leading integrations estate, and our Open API capabilities, and continue to build on these with our * Open API for customers, ecosystem partners and Advice firms * Propose and lead on business and partnership models (license, tiered API, embedded UX, or per-event pricing)
        We are proud of our market leading integrations estate, and our Open API capabilities, and continue to build on these with our * Open API for customers, ecosystem partners and Advice firms * Propose and lead on business and partnership models (license, tiered API, embedded UX, or per-event pricing)
        more
        2026-03-16 - United Kingdom - Winnersh, Wokingham - Hybrid - Collins Aerospace, an RTX company, is recruiting an experienced Unmanned Systems Modelling & Control Engineer to lead and mentor a growing team working on autonomy and unmanned systems across air, land and maritime domains. Based at our Winnersh site near Reading with flexible/hybrid working, youll take systems from first principles through to detailed requirements, test and validation, using Model-Based Systems Engineering and Agile methods. Youll collaborate with Collins and Raytheon teams in the UK and internationally, with regular overseas travel for trials and demonstrations, and see your work turn into real-world capability that enhances safety and security. * Lead the modelling & control discipline for unmanned systems, acting as technical leader and mentor for a growing team.
        2026-03-16 - United Kingdom - Winnersh, Wokingham - Hybrid - Collins Aerospace, an RTX company, is recruiting an experienced Unmanned Systems Modelling & Control Engineer to lead and mentor a growing team working on autonomy and unmanned systems across air, land and maritime domains. Based at our Winnersh site near Reading with flexible/hybrid working, youll take systems from first principles through to detailed requirements, test and validation, using Model-Based Systems Engineering and Agile methods. Youll collaborate with Collins and Raytheon teams in the UK and internationally, with regular overseas travel for trials and demonstrations, and see your work turn into real-world capability that enhances safety and security. * Lead the modelling & control discipline for unmanned systems, acting as technical leader and mentor for a growing team.
        more

        396 exact matches jobs are outside your preferred location

        We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
        We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
        more
        PREMIUM
        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.
        more

        Senior Full Stack Engineer

        RSMB
        Covent Garden, Central London (WC2), WC2B
        Up to £85k, based on experience
        RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hybrid – 2 days per week in the office). Youwill join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007.
        RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hybrid – 2 days per week in the office). Youwill join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007.
        more
        PREMIUM

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        Frequently Asked Questions

        How many contract API jobs are there in Slough?
        There are 21 contract API jobs within 20 miles of Slough available on CWJobs right now.

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