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        58 API jobs in Mayfair + 20 miles

        228 exact matches jobs are outside your preferred location

        Internal Penetration Tester

        Stott & May Professional Search Limited
        London
        £450 - £600 per day
        Strong application security knowledge (OWASP Top 10, API security). Hands-on experience in end-to-end pentests (internal, external, cloud, AD, web app, API).
        Strong application security knowledge (OWASP Top 10, API security). Hands-on experience in end-to-end pentests (internal, external, cloud, AD, web app, API).
        more
        NEW

        10250545 - Internal Pen Tester

        Stott & May Professional Search Limited
        London
        £400 - £450 per day
        Strong application security knowledge (OWASP Top 10, API security). Hands-on experience in end-to-end pentests (internal, external, cloud, AD, web app, API).
        Strong application security knowledge (OWASP Top 10, API security). Hands-on experience in end-to-end pentests (internal, external, cloud, AD, web app, API).
        more
        NEW
        Strong application security knowledge (OWASP Top 10, API security). Hands-on experience in end-to-end pentests (internal, external, cloud, AD, web app, API).
        Strong application security knowledge (OWASP Top 10, API security). Hands-on experience in end-to-end pentests (internal, external, cloud, AD, web app, API).
        more

        DevSecOps Pentester

        Stott & May Professional Search Limited
        London
        £500 - £550 per day
        Perform penetration testing and security reviews on CI/CD pipelines, cloud, containers, and web/API applications. Strong application security knowledge (OWASP Top 10, API security).
        Perform penetration testing and security reviews on CI/CD pipelines, cloud, containers, and web/API applications. Strong application security knowledge (OWASP Top 10, API security).
        more
        NEW
        The Azure DevOps Engineer will design, build, and maintain CI/CD pipelines to support the API backbone and other digital initiatives. * Contribute to the ongoing development of a scalable, resilient digital API infrastructure. * Familiarity with API-driven architectures, microservices, and integration patterns.
        The Azure DevOps Engineer will design, build, and maintain CI/CD pipelines to support the API backbone and other digital initiatives. * Contribute to the ongoing development of a scalable, resilient digital API infrastructure. * Familiarity with API-driven architectures, microservices, and integration patterns.
        more
        NEW
        Perform penetration testing and security reviews on CI/CD pipelines, cloud, containers, and web/API applications. Strong application security knowledge (OWASP Top 10, API security).
        Perform penetration testing and security reviews on CI/CD pipelines, cloud, containers, and web/API applications. Strong application security knowledge (OWASP Top 10, API security).
        more
        You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL / Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. * Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations.
        You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL / Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. * Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations.
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        PREMIUM
        We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
        We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
        more
        NEW
        Backend & Data Proficiency: Skilled in Python, Node.js, PostgreSQL, MongoDB, and API security. * Security & Compliance: Strong understanding of GDPR, API authentication, and observability.
        Backend & Data Proficiency: Skilled in Python, Node.js, PostgreSQL, MongoDB, and API security. * Security & Compliance: Strong understanding of GDPR, API authentication, and observability.
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        NEW

        Lead .Net Software Developer

        Hireful
        Milton Keynes, Buckinghamshire
        £65k - £75k base + Bonus
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
        more
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        Frequently Asked Questions

        How many API jobs are there in Mayfair?
        There are 58 API jobs within 20 miles of Mayfair available on CWJobs right now.

        Where in Mayfair are these jobs?
        You can find jobs in Shadwell, Frimley, Millwall.

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