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        157 Contract API jobs in Harmondsworth + 20 miles

        690 exact matches jobs are outside your preferred location

        Senior Engineer

        Hays
        London
        £80000.0 - £85000.0 per annum + £80,000 - £85,000
        Develop API integrations (Appsflyer, Firebase, sGTM)
        Develop API integrations (Appsflyer, Firebase, sGTM)
        As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Provide technical guidance on Apigee OPDK and Apigee X for optimised API management and performance. * Develop and maintain Apigee Developer Portal and Apigee Edge for streamlined API access and lifecycle management. * Implement security protocols
        As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Provide technical guidance on Apigee OPDK and Apigee X for optimised API management and performance. * Develop and maintain Apigee Developer Portal and Apigee Edge for streamlined API access and lifecycle management. * Implement security protocols
        more
        ClearCourse Technical Support Lead (Payments / API / Incident Management) * Analyse API logs, JSON payloads and system behaviour * Confident with API testing, log analysis and monitoring tools
        ClearCourse Technical Support Lead (Payments / API / Incident Management) * Analyse API logs, JSON payloads and system behaviour * Confident with API testing, log analysis and monitoring tools
        more
        PREMIUM
        As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
        As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
        more

        Senior GIS Developer

        Stackstudio Digital Ltd.
        Reading (RG1)
        From £500 to £525 per day
        Build custom web GIS solutions using ArcGIS API for JavaScript, Python, and modern frameworks (React/Angular). * Proficiency in ArcGIS API for JavaScript, Python, and web development technologies (HTML5, CSS3, JavaScript frameworks)
        Build custom web GIS solutions using ArcGIS API for JavaScript, Python, and modern frameworks (React/Angular). * Proficiency in ArcGIS API for JavaScript, Python, and web development technologies (HTML5, CSS3, JavaScript frameworks)
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        NEW

        QA Automation Engineer/Tester, Playwright, Remote

        Sanderson Recruitment
        London
        £45000 - £55000 per annum + Bonus Scheme, Healthcare
        You also will be automating a combination of Performance, UI, API, Accessibility & compatibility test types while also providing insights with the latest approaches to software engineering and be given the opportunity to update and improve the QA stack as appropriate.
        You also will be automating a combination of Performance, UI, API, Accessibility & compatibility test types while also providing insights with the latest approaches to software engineering and be given the opportunity to update and improve the QA stack as appropriate.
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        FEATURED
        Work across core AWS services (e.g., Lambda, DynamoDB, S3, CloudWatch, IAM, API Gateway) to support and extend contact centre functionality. * Hands-on experience with AWS services such as Lambda, S3, IAM, CloudWatch, DynamoDB, API Gateway.
        Work across core AWS services (e.g., Lambda, DynamoDB, S3, CloudWatch, IAM, API Gateway) to support and extend contact centre functionality. * Hands-on experience with AWS services such as Lambda, S3, IAM, CloudWatch, DynamoDB, API Gateway.
        more
        Build APIs using API-led connectivity and established integration patterns * Expertise in MuleSoft Anypoint Platform, Mule 4, and API-led architecture
        Build APIs using API-led connectivity and established integration patterns * Expertise in MuleSoft Anypoint Platform, Mule 4, and API-led architecture
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        FEATURED
        Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
        Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
        more
        Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
        Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
        more
        Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. * Define security standards for all integration points, including OAuth, API key management, encryption, and network segmentation within an Azure environment. * Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. * Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification.
        Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. * Define security standards for all integration points, including OAuth, API key management, encryption, and network segmentation within an Azure environment. * Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. * Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification.
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        Frequently Asked Questions

        How many contract API jobs are there in Harmondsworth?
        There are 157 contract API jobs within 20 miles of Harmondsworth available on CWJobs right now.

        Where in Harmondsworth are these contract jobs?
        You can find contract jobs in The City, City (EC4), Southwark, The City, City (EC3).

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