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        733 API jobs in London + 20 miles

        Middleware Engineer API 2

        Pernod Ricard
        London
        Competitive
        Understanding of security standards and protocols related to API security, such as OAuth, OpenID Connect, and JWT
        Understanding of security standards and protocols related to API security, such as OAuth, OpenID Connect, and JWT
        more
        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

        Automation Engineer – Storage & Platform (Python / CI/CD / APIs)

        Essential Consulting
        South East London (SE1)
        Unspecified Competitive Daily Rate - Inside IR35
        Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) * Hands-on experience with API integration and automation
        Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) * Hands-on experience with API integration and automation
        more
        Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
        Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
        more

        Senior Product Engineer, Full Stack - Energy

        MFK Recruitment Ltd
        Piccadilly, Central London (W1), W1S 4NS
        From £70,000 to £95,000 per annum
        £70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
        £70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
        more

        Senior Solutions Architect

        The Talent Ladder
        St James, South West London (SW1), SW1A
        Up to £125,000 per annum Bonus and travel allowance
        API design & microservices architecture
        API design & microservices architecture
        NEWPREMIUM
        Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
        Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
        more
        We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration.
        We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration.
        more
        FEATURED
        Hands-on experience designing and delivering enterprise integrations using MuleSoft (Anypoint Platform), including API-led connectivity, error handling, and operational monitoring
        Hands-on experience designing and delivering enterprise integrations using MuleSoft (Anypoint Platform), including API-led connectivity, error handling, and operational monitoring
        more
        Good understanding of API-led, integration-centric architectures and data-flow modelling * Experience with API gateways, middleware, or enterprise integration platforms
        Good understanding of API-led, integration-centric architectures and data-flow modelling * Experience with API gateways, middleware, or enterprise integration platforms
        more
        PREMIUM
        You'll design end-to-end GenAI systems from RAG pipelines and agent orchestration to production-grade API integrations and establish the reusable patterns and frameworks that make every subsequent engagement faster. Design production GenAI applications from prototype through scale data pipelines, model orchestration, API integrations, infrastructure.
        You'll design end-to-end GenAI systems from RAG pipelines and agent orchestration to production-grade API integrations and establish the reusable patterns and frameworks that make every subsequent engagement faster. Design production GenAI applications from prototype through scale data pipelines, model orchestration, API integrations, infrastructure.
        more
        Designing, building, testing, and deploying integration flows using SAP Integration Suite, with a focus on Cloud Integration (CPI), API Management, and Event Mesh. * Proven experience in designing and deploying integration flows within SAP BTP, especially CPI, API Management, and Event Mesh.
        Designing, building, testing, and deploying integration flows using SAP Integration Suite, with a focus on Cloud Integration (CPI), API Management, and Event Mesh. * Proven experience in designing and deploying integration flows within SAP BTP, especially CPI, API Management, and Event Mesh.
        more
        FEATURED
        Publish, configure, and manage APIs within an API Management platform * Oversee the full API lifecycle, ensuring strong governance, performance, and security * Proven experience working with API Management platforms and API lifecycle processes * Experience with Azure API Management or comparable platforms
        Publish, configure, and manage APIs within an API Management platform * Oversee the full API lifecycle, ensuring strong governance, performance, and security * Proven experience working with API Management platforms and API lifecycle processes * Experience with Azure API Management or comparable platforms
        more

        Solutions Architect

        MARSH CORPORATE SERVICES LIMITED
        City of London (EC1)
        Pension, Healthcare, Life Insurance and much more
        Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
        Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
        more
        PREMIUM

        Solutions Architect

        Solus Accident Repair Centres
        North London, London
        GBP £50,000.00/Yr. - GBP £65,000.00/Yr.
        Deep knowledge of modern enterprise patterns, SaaS adoption, API and event based integrations and resilience approaches.
        Deep knowledge of modern enterprise patterns, SaaS adoption, API and event based integrations and resilience approaches.
        more

        Senior Python Engineer

        Espire Infolabs Limited
        London
        Unspecified open to discuss
        Build API and integration layers enabling two-way communication * Define and implement structured data input/output flows, replacing a manual Excel-based trigger with a proper API-driven process
        Build API and integration layers enabling two-way communication * Define and implement structured data input/output flows, replacing a manual Excel-based trigger with a proper API-driven process
        more
        FEATURED

        Full Stack Engineer

        FryerMiles Recruitment
        London
        £60k - 75k per year + package
        FryerMiles are delighted to be working with a leading UK Consultancy to assist with their recruitment of a Full Stack Engineer to work on a large financial project within the UK public sector. The successful candidate will be a mid level Full Stack Engineer with hands on experience building robust applications using C#, Python, and JavaScript, supporting the delivery of secure, scalable, automated cloud platforms across the Public Sector. * Design, develop and maintain full-stack web applications using C#, Python and JavaScript * Build and enhance backend services using frameworks including .NET, Flask, and Django * Develop user friendly front end interfaces with React, Angular or similar * Create and maintain RESTful API’s, microservices, and integrations with third party systems * Troubleshoot and debug issues across the stack * Participate in code reviews
        FryerMiles are delighted to be working with a leading UK Consultancy to assist with their recruitment of a Full Stack Engineer to work on a large financial project within the UK public sector. The successful candidate will be a mid level Full Stack Engineer with hands on experience building robust applications using C#, Python, and JavaScript, supporting the delivery of secure, scalable, automated cloud platforms across the Public Sector. * Design, develop and maintain full-stack web applications using C#, Python and JavaScript * Build and enhance backend services using frameworks including .NET, Flask, and Django * Develop user friendly front end interfaces with React, Angular or similar * Create and maintain RESTful API’s, microservices, and integrations with third party systems * Troubleshoot and debug issues across the stack * Participate in code reviews
        more

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        What is the average salary for API in London?

        Average salary per year
        £72,499

        The average salary for a API in London is £72,499. API in London salaries range from £62,499 to £87,499.

        Frequently Asked Questions

        How many API jobs are there in London?
        There are 733 API jobs within 20 miles of London available on CWJobs right now.

        Where in London are these jobs?
        You can find jobs in City of London, Central London, West End.

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