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        84 Contract API jobs in Hounslow + 20 miles

        471 exact matches jobs are outside your preferred location

        Lead Frontend Engineer

        Fruition Group
        London
        £85000.00 - £100000.00 per annum
        London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
        London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
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        Senior Backend Engineer - London - Hybrid (1x day a week) Salary: Up to £80k DOE - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focused Senior engineer looking to start an ambitious business. The Role - We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do * Design, build, and maintain Python microservices (FastAPI) in production * Own features end-to-end: design, build, test, deploy, monit
        Senior Backend Engineer - London - Hybrid (1x day a week) Salary: Up to £80k DOE - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focused Senior engineer looking to start an ambitious business. The Role - We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do * Design, build, and maintain Python microservices (FastAPI) in production * Own features end-to-end: design, build, test, deploy, monit
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        DevOps/Automation Engineer?? Location: Central London (On-Site - 5 Days/Week)?? Rate: Up to £600 per day (Inside IR35)?? Contract Type: Contract?? Start Date: ASAP?? Duration: 6 months - We're looking for a skilled DevOps/Automation Engineer with strong experience in storage automation to join a high-performing infrastructure team within a major enterprise environment in Central London. This is a hands-on role focused on building automated workflows, implementing Infrastructure-as-Code (IaC), and delivering end-to-end storage provisioning, monitoring, and policy enforcement solutions. * Design, develop, and maintain automated workflows for storage provisioning and deprovisioning. * Implement policy enforcement mechanisms for storage utilisation, access, and compliance. * Build and maintain CI/CD pipelines for storage infrastructure configuration and deployment.
        DevOps/Automation Engineer?? Location: Central London (On-Site - 5 Days/Week)?? Rate: Up to £600 per day (Inside IR35)?? Contract Type: Contract?? Start Date: ASAP?? Duration: 6 months - We're looking for a skilled DevOps/Automation Engineer with strong experience in storage automation to join a high-performing infrastructure team within a major enterprise environment in Central London. This is a hands-on role focused on building automated workflows, implementing Infrastructure-as-Code (IaC), and delivering end-to-end storage provisioning, monitoring, and policy enforcement solutions. * Design, develop, and maintain automated workflows for storage provisioning and deprovisioning. * Implement policy enforcement mechanisms for storage utilisation, access, and compliance. * Build and maintain CI/CD pipelines for storage infrastructure configuration and deployment.
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        FEATURED
        London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
        London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
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        Robert Half Technology are assisting a market leading financial services (fintech) organisation to recruit a AI Engineer on a contract basis - Hybrid working - London based - The AI Engineer will join a cross-functional data team to design, develop, and deploy AI/ML models that tackle real business problems - from prediction and automation to customer personalisation and decision intelligence. You'll play a hands-on role in taking models from concept to production and shaping best practices across the AI lifecycle. Role * The AI Engineer will build and deploy scalable machine learning models in a cloud-native environment (AWS, GCP or Azure) * Collaborate with data engineers, analysts, and product teams to translate business needs into AI-driven solutions * Contribute to the development of data pipelines and feature engineering workflows
        Robert Half Technology are assisting a market leading financial services (fintech) organisation to recruit a AI Engineer on a contract basis - Hybrid working - London based - The AI Engineer will join a cross-functional data team to design, develop, and deploy AI/ML models that tackle real business problems - from prediction and automation to customer personalisation and decision intelligence. You'll play a hands-on role in taking models from concept to production and shaping best practices across the AI lifecycle. Role * The AI Engineer will build and deploy scalable machine learning models in a cloud-native environment (AWS, GCP or Azure) * Collaborate with data engineers, analysts, and product teams to translate business needs into AI-driven solutions * Contribute to the development of data pipelines and feature engineering workflows
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        BI Analyst

        Oscar Associates (UK) Limited
        MK1, Milton Keynes
        £35000 - £50000 per annum + benefits
        Job Title: Business Intelligence (BI) Analyst - Location: Milton Keynes (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand
        Job Title: Business Intelligence (BI) Analyst - Location: Milton Keynes (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand
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        FEATURED

        BI Analyst

        Oscar Associates (UK) Limited
        OX1, Oxford
        £35000 - £50000 per annum + benefits
        Job Title: Business Intelligence (BI) Analyst - Location: Oxford (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand and opt
        Job Title: Business Intelligence (BI) Analyst - Location: Oxford (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand and opt
        more
        FEATURED

        Salesforce Developer

        BluetownOnline Ltd
        RG1, Reading
        £45000 - £65000 per annum
        Job Title: Salesforce Developer - Location: 2 - 3 days per week in the Reading Office - Salary: £45,000 - £65,000 per annum Depending on experience - Job Type: Full Time / Permanent - The Company is a UK-based Independent Software Vendor (ISV) partner of Salesforce. We specialise in developing award-winning applications that enhance data management and integration within the Salesforce ecosystem. Our commitment to innovation and customer satisfaction has positioned us as a trusted provider in the Salesforce community. We continue to be early adopters of new and emerging technologies, and we are looking for a like-minded individual to join our team and help us push boundaries. We continue to experiment with using AI tools to optimise our business as well incorporating it in to our product for the first time.
        Job Title: Salesforce Developer - Location: 2 - 3 days per week in the Reading Office - Salary: £45,000 - £65,000 per annum Depending on experience - Job Type: Full Time / Permanent - The Company is a UK-based Independent Software Vendor (ISV) partner of Salesforce. We specialise in developing award-winning applications that enhance data management and integration within the Salesforce ecosystem. Our commitment to innovation and customer satisfaction has positioned us as a trusted provider in the Salesforce community. We continue to be early adopters of new and emerging technologies, and we are looking for a like-minded individual to join our team and help us push boundaries. We continue to experiment with using AI tools to optimise our business as well incorporating it in to our product for the first time.
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        PREMIUM
        My client is looking for a talentedMagento Developerwith strong backend experience to join their dynamic dev team. If you enjoy building custom ecommerce solutions, integrating complex systems, and collaborating in a supportive tech environment, this could be the role for you. This role is predominately remote, although the team meet up onsite once a month near Farringdon. There is no specific requirement to attend every month, however some flexibility would be beneficial. The Role - Youll be responsible for delivering tailored features and functionality across a variety of ecommerce projects. * Developing and maintaining bespoke Magento functionality. * Working with the development team to ensure new code aligns with the Magento framework and delivers great performance. * Reviewing code, pull requests, and supporting peer development.
        My client is looking for a talentedMagento Developerwith strong backend experience to join their dynamic dev team. If you enjoy building custom ecommerce solutions, integrating complex systems, and collaborating in a supportive tech environment, this could be the role for you. This role is predominately remote, although the team meet up onsite once a month near Farringdon. There is no specific requirement to attend every month, however some flexibility would be beneficial. The Role - Youll be responsible for delivering tailored features and functionality across a variety of ecommerce projects. * Developing and maintaining bespoke Magento functionality. * Working with the development team to ensure new code aligns with the Magento framework and delivers great performance. * Reviewing code, pull requests, and supporting peer development.
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        Implement schema registries, data contracts, and API-first data governance.
        Implement schema registries, data contracts, and API-first data governance.
        NEWFEATURED

        Software Developer

        S-SA Digital Recruitment Ltd
        MK12, Milton Keynes
        40k/year - 50k/year
        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
        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
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        We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
        We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
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        NEW
        Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
        Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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        NEW
        Be the go-to technical authority for the backend API, from architecture through to delivery. Ensure our API meets the needs of both our smallest and largest enterprise clients.
        Be the go-to technical authority for the backend API, from architecture through to delivery. Ensure our API meets the needs of both our smallest and largest enterprise clients.
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        We are now looking for a Technical Product Marketing Manager to lead go-to-market (GTM) strategies for our API product. You'll work at the intersection of product, marketing, sales, and customer success to drive adoption, awareness, and customer understanding of our API innovations and roadmap. * Own GTM strategy for new API product features and launches, from positioning and messaging to enablement and campaign planning * 8 years of experience in product marketing, ideally with developer tools or API-based products
        We are now looking for a Technical Product Marketing Manager to lead go-to-market (GTM) strategies for our API product. You'll work at the intersection of product, marketing, sales, and customer success to drive adoption, awareness, and customer understanding of our API innovations and roadmap. * Own GTM strategy for new API product features and launches, from positioning and messaging to enablement and campaign planning * 8 years of experience in product marketing, ideally with developer tools or API-based products
        more

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        Frequently Asked Questions

        How many contract API jobs are there in Hounslow?
        There are 84 contract API jobs within 20 miles of Hounslow available on CWJobs right now.

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