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        125 Contract API jobs in Watford + 20 miles

        613 exact matches jobs are outside your preferred location

        Backend Software Engineer (Python)

        Gorilla
        London
        Competitive
        As a software engineer in platform development you will be part of a team responsible for the development of the API and database layer, effectively doing the bookkeeping for the entire Gorilla product, thereby enabling our pricing, forecasting and portfolio analytics applications to provide the insights necessary to enable customer decisions at scale.
        As a software engineer in platform development you will be part of a team responsible for the development of the API and database layer, effectively doing the bookkeeping for the entire Gorilla product, thereby enabling our pricing, forecasting and portfolio analytics applications to provide the insights necessary to enable customer decisions at scale.
        more
        API and third-party integrations experience is essential, including writing ICDs. * Integration with REST Api, ActiveMQ, Kafka, SOAP, IBM WebSphere, MSMQ and more.
        API and third-party integrations experience is essential, including writing ICDs. * Integration with REST Api, ActiveMQ, Kafka, SOAP, IBM WebSphere, MSMQ and more.
        more

        Product Owner

        GLOBAL MEDIA GROUP SERVICES LIMITED
        London
        Competitive
        Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
        Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
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        Company Description - Founded by experienced entrepreneurs and engineers in 2016, Pismo is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo joined Visa in 2024. Leveraging Visas solutions, our core platform, and an expanding suite of capabilities, Pismo addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Pismos cloud-based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards. Pismos 500+ employees are located in more than 10 countries around the wor
        Company Description - Founded by experienced entrepreneurs and engineers in 2016, Pismo is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo joined Visa in 2024. Leveraging Visas solutions, our core platform, and an expanding suite of capabilities, Pismo addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Pismos cloud-based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards. Pismos 500+ employees are located in more than 10 countries around the wor
        more
        Oversee API integration strategy, including duplication checks, system alignment, and end-to-end flow * Strong business acumen with a clear understanding of technical API integration principles and tools
        Oversee API integration strategy, including duplication checks, system alignment, and end-to-end flow * Strong business acumen with a clear understanding of technical API integration principles and tools
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        Iterable or similar ESP (Advantageous): Strong knowledge of data feeds, journey building, custom events, API integrations, and dynamic content blocks.
        Iterable or similar ESP (Advantageous): Strong knowledge of data feeds, journey building, custom events, API integrations, and dynamic content blocks.
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        At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
        At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
        more
        Integrate messaging campaigns into our existing lifecycle stack (e.g., Braze, WhatsApp Business API). * Technical fluency with tools such as Braze, Twilio, or WhatsApp Business API, and a working knowledge of customer data flows.
        Integrate messaging campaigns into our existing lifecycle stack (e.g., Braze, WhatsApp Business API). * Technical fluency with tools such as Braze, Twilio, or WhatsApp Business API, and a working knowledge of customer data flows.
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        Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
        Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
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        Senior Data Test Automation Engineer

        Hawk-Eye Innovations Ltd
        Basingstoke, Hampshire
        £58,810 - £80,910 a year
        Proven ability to build and maintain scalable test automation frameworks, with a focus on backend, API, and data systems using tools like Pytest and Postman. * Advanced skills in automating API and backend testing workflows, ensuring robust and reliable system interactions.
        Proven ability to build and maintain scalable test automation frameworks, with a focus on backend, API, and data systems using tools like Pytest and Postman. * Advanced skills in automating API and backend testing workflows, ensuring robust and reliable system interactions.
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        Design, implement and test mission-critical API's in a PaaS eCommerce Scala backend * Experience in developing REST API's and knowledge of scalable architectures
        Design, implement and test mission-critical API's in a PaaS eCommerce Scala backend * Experience in developing REST API's and knowledge of scalable architectures
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        Frequently Asked Questions

        How many contract API jobs are there in Watford?
        There are 125 contract API jobs within 20 miles of Watford available on CWJobs right now.

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