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        314 API jobs in London + 20 miles

        Senior Integration Engineer

        Anson Mccade
        London
        £550 per day
        Integration Factory & AI Delivery: Build reusable system wrappers (Python) to encapsulate auth and API interactions.
        Integration Factory & AI Delivery: Build reusable system wrappers (Python) to encapsulate auth and API interactions.
        more
        PREMIUM
        Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core - Proficiency in at least one major API testing framework - Experience with API testing (REST, Postman)
        Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core - Proficiency in at least one major API testing framework - Experience with API testing (REST, Postman)
        more
        Design, build, and maintain scalable, production-grade software across web, API, and data layers * Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred)
        Design, build, and maintain scalable, production-grade software across web, API, and data layers * Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred)
        more
        FEATURED
        Execute functional, integration, regression, and non-functional testing across client, web-based, mobile, and API-driven applications. * Perform RESTful API testing and validation.
        Execute functional, integration, regression, and non-functional testing across client, web-based, mobile, and API-driven applications. * Perform RESTful API testing and validation.
        more
        FEATURED

        QA Engineering Lead SaaS

        Client Server
        Underhill Park, Reigate (RH2), RH2
        £100000 - £130000 per annum + bonus + benefits
        You have experience with C# test automation frameworks at all levels (unit, integration, API/system)
        You have experience with C# test automation frameworks at all levels (unit, integration, API/system)
        NEWPREMIUM

        Lead Software Engineer

        MARSH CORPORATE SERVICES LIMITED
        City of London (EC3)
        Pension, Medical, Life Insurance and much more
        Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.
        Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.
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        PREMIUM

        AWS Engineer

        Anson Mccade
        City of London (EC2), EC2V 6AA
        50,000 to 80,000 Annual
        Designing and developing serverless applications using AWS services including Lambda, API Gateway, DynamoDB, S3, SQS, and SNS
        Designing and developing serverless applications using AWS services including Lambda, API Gateway, DynamoDB, S3, SQS, and SNS
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        PREMIUM

        Principal Technical Lead

        RSSB
        The City, City of London (EC3), EC3M 5AD
        Competitive salary aligned to public-interest and not-for-profit secto
        Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
        Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
        more
        FEATURED

        Solution Architect

        Morson Edge
        City of London, London, EC1A 1AA
        £650 per day
        We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
        We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
        more
        PREMIUM
        Position Overview - Job Title ServiceNow Platform Architect - Location London - Corporate Title Director - You will shape and support the ServiceNow platform as a ServiceNow Platform Architect, helping to connect teams, simplify workflows, and deliver meaningful technology outcomes across a global banking environment. Working closely with engineering, operations, and business teams, you will guide platform design, support innovation, and enable scalable, secure solutions. This is a highly visible role where your expertise will help strengthen collaboration, improve platform consistency, and support transformation across enterprise workflow capabilities. You will contribute to a collaborative and inclusive environment where ideas are shared, and solutions are built together to meet both business and regulatory needs. What well offer you
        Position Overview - Job Title ServiceNow Platform Architect - Location London - Corporate Title Director - You will shape and support the ServiceNow platform as a ServiceNow Platform Architect, helping to connect teams, simplify workflows, and deliver meaningful technology outcomes across a global banking environment. Working closely with engineering, operations, and business teams, you will guide platform design, support innovation, and enable scalable, secure solutions. This is a highly visible role where your expertise will help strengthen collaboration, improve platform consistency, and support transformation across enterprise workflow capabilities. You will contribute to a collaborative and inclusive environment where ideas are shared, and solutions are built together to meet both business and regulatory needs. What well offer you
        more
        Role Overview - We are seeking a Solution Architect to partner closely with Sales, Product, and Delivery teams to design and articulate compelling, end-to-end solutions for prospective and existing clients. This role sits at the intersection of business needs and technical execution, translating client requirements into scalable, secure, and differentiated solutions that drive sales success. The ideal candidate is client-facing, technically credible, commercially aware, and thrives in fast-paced, consultative sales environments. Key Responsibilities - Pre-Sales & Client Engagement * Partner with Sales to support the full sales lifecycle, from discovery through deal close * Lead technical discovery sessions to understand client business goals, workflows, and constraints * Design and present solution architectures, demos, and proof-of-concepts aligned to client needs
        Role Overview - We are seeking a Solution Architect to partner closely with Sales, Product, and Delivery teams to design and articulate compelling, end-to-end solutions for prospective and existing clients. This role sits at the intersection of business needs and technical execution, translating client requirements into scalable, secure, and differentiated solutions that drive sales success. The ideal candidate is client-facing, technically credible, commercially aware, and thrives in fast-paced, consultative sales environments. Key Responsibilities - Pre-Sales & Client Engagement * Partner with Sales to support the full sales lifecycle, from discovery through deal close * Lead technical discovery sessions to understand client business goals, workflows, and constraints * Design and present solution architectures, demos, and proof-of-concepts aligned to client needs
        more
        To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category - Sales - Job Details - About Salesforce - Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce. Overview of the Role
        To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category - Sales - Job Details - About Salesforce - Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce. Overview of the Role
        more

        Solution Architect - AI Delivery in Retail

        Smart Sourcer Limited
        South West London (SW1A)
        From £85,000 to £100,000 per annum + package
        Solution Architect / Agile Architect AI Delivery in Retail - Were looking for a hands-on Solution Architect with deep RetailSector experience and a proven track record in designing and delivering AI-driven initiatives at scale. This is a role for someone who has actually taken AI products from concept through to production, not just strategy decks, but real delivery alongside engineers, BAs and Product Owners. Youll lead delivery squads working on high-value AI programmes across enterprise retail clients, acting as the Solution Architect /Technical Lead / Agile Architect guiding design decisions, shaping solutions and ensuring engineering teams can execute effectively. * Contact centre automation and intelligent chatbots * Front-end customer personalisation * In-store product recognition and computer vision * Supply chain optimisation using AI/ML
        Solution Architect / Agile Architect AI Delivery in Retail - Were looking for a hands-on Solution Architect with deep RetailSector experience and a proven track record in designing and delivering AI-driven initiatives at scale. This is a role for someone who has actually taken AI products from concept through to production, not just strategy decks, but real delivery alongside engineers, BAs and Product Owners. Youll lead delivery squads working on high-value AI programmes across enterprise retail clients, acting as the Solution Architect /Technical Lead / Agile Architect guiding design decisions, shaping solutions and ensuring engineering teams can execute effectively. * Contact centre automation and intelligent chatbots * Front-end customer personalisation * In-store product recognition and computer vision * Supply chain optimisation using AI/ML
        more
        Lead Solution Architect | Contract (6-12 Months) Hybrid UK | Strong Day Rate - 1-2 days onsite in Luton. Working for Airline client. Were looking for an experienced Lead Solution Architect to drive end-to-end solution design across large-scale, mission-critical programmes. You'll work closely with Product, Engineering and Delivery teams, ensuring multiple workstreams align to a single architecture vision while balancing business outcomes, scalability and technical excellence. Key Responsibilities - Define and own solution architecture across complex programmes and multiple product teams - Create architecture roadmaps, standards, guardrails and reusable design patterns - Lead cross-team integration design, data flows and platform alignment - Ensure solutions are scalable, secure, resilient and aligned to enterprise strategy
        Lead Solution Architect | Contract (6-12 Months) Hybrid UK | Strong Day Rate - 1-2 days onsite in Luton. Working for Airline client. Were looking for an experienced Lead Solution Architect to drive end-to-end solution design across large-scale, mission-critical programmes. You'll work closely with Product, Engineering and Delivery teams, ensuring multiple workstreams align to a single architecture vision while balancing business outcomes, scalability and technical excellence. Key Responsibilities - Define and own solution architecture across complex programmes and multiple product teams - Create architecture roadmaps, standards, guardrails and reusable design patterns - Lead cross-team integration design, data flows and platform alignment - Ensure solutions are scalable, secure, resilient and aligned to enterprise strategy
        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 314 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.