Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations

Filters

Last 24 hours
Sort byRelevance
Commute time
Locations
Salaries
Date posted
1 selected
    Type of Company
      Job types

        Related Jobs

        • IT
        • Software Development
        • Architecture
        • Infrastructure
        • Design
        • Communication
        • Practicality
        • Technology
        • Service
        • Software Engineer
        • Senior Backend Engineer
        • AI Engineer
        • Backend Software Engineer
        • Full Stack Engineer
        • Senior Developer

        show more
        Last 24 hours
        Remove all filters

        Commute time

        Locations

        Popular locations


        The City, City (EC4)
        5
































        See all jobs in Mayfair

        Salaries

        Date posted

        Last 24 hours
        331




        68 API jobs in Mayfair + 20 miles

        263 exact matches jobs are outside your preferred location

        Senior Test Analyst

        RSPB
        UK
        From £39,205 to £41,865 per annum
        Familiarity with API testing, SQL queries, and data migration testing.
        Familiarity with API testing, SQL queries, and data migration testing.
        Architect modern EDI, API, and event-driven integration frameworks that leverage AI, LLMs, and automation for intelligent partner connectivity. * Lead solution design and implementation for B2B messaging, EDI, and API-based integrations, supporting business functions such as Procurement, Order Management, Supply Chain, and Finance.
        Architect modern EDI, API, and event-driven integration frameworks that leverage AI, LLMs, and automation for intelligent partner connectivity. * Lead solution design and implementation for B2B messaging, EDI, and API-based integrations, supporting business functions such as Procurement, Order Management, Supply Chain, and Finance.
        more
        Expert knowledge of HTML, CSS, JavaScript Experience developing Frontend Application using Modern Javascript frameworks like React/Vue/Svelte/Angular Writing unit tests with modern front end testing frameworks like Jest Experience of consuming and modifying CI/CD pipelines Experience working with API of varying types and integrating with backend data Experience of working with cloud technologies (Azure/AWS) Capable of teaching/mentoring/pair-programming with other members of the team - Experience of Docker Experience of working in a Continuous Delivery or Deployment environment Experience of developing any backend API frameworks * Experience working with API of varying types and integrating with backend data * Experience of developing any backend API frameworks
        Expert knowledge of HTML, CSS, JavaScript Experience developing Frontend Application using Modern Javascript frameworks like React/Vue/Svelte/Angular Writing unit tests with modern front end testing frameworks like Jest Experience of consuming and modifying CI/CD pipelines Experience working with API of varying types and integrating with backend data Experience of working with cloud technologies (Azure/AWS) Capable of teaching/mentoring/pair-programming with other members of the team - Experience of Docker Experience of working in a Continuous Delivery or Deployment environment Experience of developing any backend API frameworks * Experience working with API of varying types and integrating with backend data * Experience of developing any backend API frameworks
        more
        Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
        Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
        more
        NEW
        The development of C# .NET Core, Web API, Angular 9+, HTML, Responsive CSS, web applications, Microservices, web portals and service APIs, windows, and web services. * Hands-on experience designing and consuming RESTful APIs , working with Web API technologies, and integrating with legacy SOAP-based services.
        The development of C# .NET Core, Web API, Angular 9+, HTML, Responsive CSS, web applications, Microservices, web portals and service APIs, windows, and web services. * Hands-on experience designing and consuming RESTful APIs , working with Web API technologies, and integrating with legacy SOAP-based services.
        more
        NEW
        Implement best-in-class API security (OAuth2, JWT). * Proven experience in API development with .NET Core or similar frameworks. * Proficiency in API security protocols and documentation tools (Swagger/OpenAPI).
        Implement best-in-class API security (OAuth2, JWT). * Proven experience in API development with .NET Core or similar frameworks. * Proficiency in API security protocols and documentation tools (Swagger/OpenAPI).
        more
        NEW
        Can you transform complex API requirements into scalable & maintainable PL/SQL procedures? This includes: Oracle, PL/SQL, ETL, Toad, Git, Jira, BitBucket, Agile, UT PL/SQL (Unit testing framework), Azure DevOps, API first, MongoDB, PostGres, Python
        Can you transform complex API requirements into scalable & maintainable PL/SQL procedures? This includes: Oracle, PL/SQL, ETL, Toad, Git, Jira, BitBucket, Agile, UT PL/SQL (Unit testing framework), Azure DevOps, API first, MongoDB, PostGres, Python
        more
        NEW
        You would be working on a variety of projects from Cloud Payment Gateways, API's, JSON and REST, New cloud microservices developments - there's a lot here to keep you busy. This includes: C#, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, SQL server, Oracle (SQL PL/SQL), AWS & Azure.
        You would be working on a variety of projects from Cloud Payment Gateways, API's, JSON and REST, New cloud microservices developments - there's a lot here to keep you busy. This includes: C#, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, SQL server, Oracle (SQL PL/SQL), AWS & Azure.
        more
        NEW
        As part of the strategy around GoCompare's acquisition by Future, we're putting in a technology roadmap for re-platforming our domain around an API-first, cloud-based serverless architecture to become the leading PCW service. * Integration Expertise: Experience with integrating SFMC (Marketing cloud connect) with other Salesforce clouds (like Sales Cloud and Service Cloud) and external systems via API and SFTP protocols.
        As part of the strategy around GoCompare's acquisition by Future, we're putting in a technology roadmap for re-platforming our domain around an API-first, cloud-based serverless architecture to become the leading PCW service. * Integration Expertise: Experience with integrating SFMC (Marketing cloud connect) with other Salesforce clouds (like Sales Cloud and Service Cloud) and external systems via API and SFTP protocols.
        more
        NEW

        Integration Developer

        Northumbria Healthcare Nhs Foundation Trust
        UK
        £38,682 - £46,580 a year
        Technical Expertise: Advanced experience with Rhapsody Integration Engine (filters, translators, communication points). In-depth knowledge of HL7 v2.x, FHIR, and NHS messaging frameworks; scripting with JavaScript, XPath, and transformation logic. Proficiency in any one of SQL Server, PostgreSQL, Oracle for data querying/auditing. Experience with RESTful APIs (JSON/XML) and web services integration. Methodologies: Experience in Agile/DevOps environments, version control, and interface lifecycle management. Communication & Analysis: Excellent verbal and written skills for translating complex technical issues to non-technical stakeholders; ability to perform root-cause analysis and statistical/technical problem solving Act as the technical contact for integration activities, influencing long-term strategies in collaboration with Senior Developers.
        Technical Expertise: Advanced experience with Rhapsody Integration Engine (filters, translators, communication points). In-depth knowledge of HL7 v2.x, FHIR, and NHS messaging frameworks; scripting with JavaScript, XPath, and transformation logic. Proficiency in any one of SQL Server, PostgreSQL, Oracle for data querying/auditing. Experience with RESTful APIs (JSON/XML) and web services integration. Methodologies: Experience in Agile/DevOps environments, version control, and interface lifecycle management. Communication & Analysis: Excellent verbal and written skills for translating complex technical issues to non-technical stakeholders; ability to perform root-cause analysis and statistical/technical problem solving Act as the technical contact for integration activities, influencing long-term strategies in collaboration with Senior Developers.
        more
        NEW
        Location: Remote with the UK or Europe - Salary range: £50,000 - £60,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for a Backend Engineer to join our backend engineering team. Youll be working closely with our Frontend, Product Management, Design and Digital Marketing teams, directly contributing to the backend systems that drive growth, user retention and premium conversions across Nexus Mods. Youll help build and improve the services that underpin our commercial and growth initiatives, such as, premium features, subscription flows, creator monetisation, account value, and engagement systems, all at a massive scale. This is a highly collaborative role where youll work cross-functionally to experiment, iterate, and deliver features that meaningfully impact the
        Location: Remote with the UK or Europe - Salary range: £50,000 - £60,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for a Backend Engineer to join our backend engineering team. Youll be working closely with our Frontend, Product Management, Design and Digital Marketing teams, directly contributing to the backend systems that drive growth, user retention and premium conversions across Nexus Mods. Youll help build and improve the services that underpin our commercial and growth initiatives, such as, premium features, subscription flows, creator monetisation, account value, and engagement systems, all at a massive scale. This is a highly collaborative role where youll work cross-functionally to experiment, iterate, and deliver features that meaningfully impact the
        more
        NEW
        Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Specialty Camera Engineering team based in Ware, UK is responsible for developing cameras for long range surveillance applications, such as border or coastal security. The products are aimed at public and commercial safety. The team is responsible for the development of the complete products, including hardware, firmware and mechanics
        Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Specialty Camera Engineering team based in Ware, UK is responsible for developing cameras for long range surveillance applications, such as border or coastal security. The products are aimed at public and commercial safety. The team is responsible for the development of the complete products, including hardware, firmware and mechanics
        more
        NEW
        At Iconology Ltd, we are a forward-thinking Managed Service Provider (MSP) based in Kent, delivering outstanding IT, automation, and AI-driven solutions to clients across diverse industries. At Iconology, dedication and initiative are recognised and rewarded. As our business continues to grow, so do the opportunities for career progression and personal development. If youre passionate about technology, automation, and innovation and youre eager to learn in a fast-paced, team-driven environment, apply today! You will work closely with the IT Tech team and management, gaining the skills and experience to progress into an Apprentice Automation Engineer or IT Systems Technician role - Upon successful completion of the apprenticeship, there may be an opportunity to secure a full-time position if available at the time with continued professional development, vendor ...
        At Iconology Ltd, we are a forward-thinking Managed Service Provider (MSP) based in Kent, delivering outstanding IT, automation, and AI-driven solutions to clients across diverse industries. At Iconology, dedication and initiative are recognised and rewarded. As our business continues to grow, so do the opportunities for career progression and personal development. If youre passionate about technology, automation, and innovation and youre eager to learn in a fast-paced, team-driven environment, apply today! You will work closely with the IT Tech team and management, gaining the skills and experience to progress into an Apprentice Automation Engineer or IT Systems Technician role - Upon successful completion of the apprenticeship, there may be an opportunity to secure a full-time position if available at the time with continued professional development, vendor ...
        more
        Intetics Inc., a global technology company providing custom software application development, distributed professional teams, software product quality assessment, and all-things-digital solutions, is looking for a Technical Support Engineer to join our dynamic team. 9:00 - 18:00 in UK time zone - 9:00 - 18:00 in US EAST time zone - What You Will Do * Help customers by answering their toughest technical questions * Provide technical support to customers using email, chat, and Zoom * Handle multiple concurrent issues with varying severity, making sure that they are responded to within the established SLAs * Focus on accelerating investigations and minimizing support ticket resolution times via live Zoom calls * Troubleshoot logs to identify errors/exceptions and their root cause * Act as Incident Commander during service incidents and maintain updates on the Status page
        Intetics Inc., a global technology company providing custom software application development, distributed professional teams, software product quality assessment, and all-things-digital solutions, is looking for a Technical Support Engineer to join our dynamic team. 9:00 - 18:00 in UK time zone - 9:00 - 18:00 in US EAST time zone - What You Will Do * Help customers by answering their toughest technical questions * Provide technical support to customers using email, chat, and Zoom * Handle multiple concurrent issues with varying severity, making sure that they are responded to within the established SLAs * Focus on accelerating investigations and minimizing support ticket resolution times via live Zoom calls * Troubleshoot logs to identify errors/exceptions and their root cause * Act as Incident Commander during service incidents and maintain updates on the Status page
        more
        Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Specialty Camera Engineering team based in Ware, UK is responsible for developing cameras for long range surveillance applications, such as border or coastal security. The products are aimed at public and commercial safety. The team is responsible for the development of the complete products, including hardware, firmware and mechanics
        Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Specialty Camera Engineering team based in Ware, UK is responsible for developing cameras for long range surveillance applications, such as border or coastal security. The products are aimed at public and commercial safety. The team is responsible for the development of the complete products, including hardware, firmware and mechanics
        more
        DataikuComputer Software - United Kingdom , LondonApply Now - Dataiku is The Universal AI Platform, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents. Providing no-, low-, and full-code capabilities, Dataiku meets teams where they are today, allowing them to begin building with AI using their existing skills and knowledge. The role of a Data Scientist at Dataiku is quite unique. Our Data Scientists not only code up solutions to real-world problems, but also participate in client-facing endeavours throughout the customer journey. This includes supporting their discovery of the platform, helping integrate Dataiku with other tools and technologies, some user training, and co-developing data science projects from design to deployment.
        DataikuComputer Software - United Kingdom , LondonApply Now - Dataiku is The Universal AI Platform, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents. Providing no-, low-, and full-code capabilities, Dataiku meets teams where they are today, allowing them to begin building with AI using their existing skills and knowledge. The role of a Data Scientist at Dataiku is quite unique. Our Data Scientists not only code up solutions to real-world problems, but also participate in client-facing endeavours throughout the customer journey. This includes supporting their discovery of the platform, helping integrate Dataiku with other tools and technologies, some user training, and co-developing data science projects from design to deployment.
        more
        NEW
        As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasnt changed were here to stop breaches, and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. Were also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. Were always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our commu
        As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasnt changed were here to stop breaches, and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. Were also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. Were always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our commu
        more
        NEW
        FICO (NYSE: FICO) is a leading global analytics software company, helping businesses in 100+ countries make better decisions. Join our world-class team today and fulfill your career potential! The Opportunity As a Platform Success Manager, you will serve as a strategic advisor and trusted partner to enterprise customers leveraging the FICO Platform. Balancing business acumen with technical understanding, you will ensure customers achieve measurable value through effective platform adoption, operational alignment, and ongoing engagement. Your mission is to drive customer success by aligning platform capabilities with strategic goals, ensuring both business impact and operational excellence. - Customer Success, Senior Director What Youll Contribute * Build and maintain strong, trust-based relationships with business stakeholders, product owners, and executive sponsors.
        FICO (NYSE: FICO) is a leading global analytics software company, helping businesses in 100+ countries make better decisions. Join our world-class team today and fulfill your career potential! The Opportunity As a Platform Success Manager, you will serve as a strategic advisor and trusted partner to enterprise customers leveraging the FICO Platform. Balancing business acumen with technical understanding, you will ensure customers achieve measurable value through effective platform adoption, operational alignment, and ongoing engagement. Your mission is to drive customer success by aligning platform capabilities with strategic goals, ensuring both business impact and operational excellence. - Customer Success, Senior Director What Youll Contribute * Build and maintain strong, trust-based relationships with business stakeholders, product owners, and executive sponsors.
        more
        NEW

        Related Jobs


        show more

        Frequently Asked Questions

        How many API jobs are there in Mayfair?
        There are 68 API jobs within 20 miles of Mayfair available on CWJobs right now.

        Where in Mayfair are these jobs?
        You can find jobs in The City, City (EC4), Shoreditch, Hinxton.

        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.