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        166 API jobs in Hayes End + 20 miles

        623 exact matches jobs are outside your preferred location

        Systems Engineer, FL

        Cloudflare
        London
        Competitive
        The platform is a Rust based application and our API is mostly built on Workers or Golang.
        The platform is a Rust based application and our API is mostly built on Workers or Golang.
        To be right for this role, you should have extensive mobile and API automation experience and the ability to self-serve by building the tooling required to support your automation efforts. * Lead an automation team to build pipelines and tooling for mobile app automation, e2e testing suites, and API testing
        To be right for this role, you should have extensive mobile and API automation experience and the ability to self-serve by building the tooling required to support your automation efforts. * Lead an automation team to build pipelines and tooling for mobile app automation, e2e testing suites, and API testing
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        NEW
        Job Introduction - At SCS Railways, were delivering one of the most transformative rail projects in the UK and our IT team is at the heart of making it happen. We manage cloud-based and on-site services for over 2,000 users, ensuring seamless collaboration, secure data management, and cutting-edge digital solutions across our business. Were now looking for a Solutions Architect (Information Management) a technically skilled, forward-thinking professional who will play a leading role in developing and enhancing our information management systems. If youre passionate about modern cloud technologies, integration architecture, and building scalable, high-performance solutions, this is your opportunity to make a lasting impact. Working arrangements: This role will be based in the office for a minimum of 3 days per week. Main Responsibilities
        Job Introduction - At SCS Railways, were delivering one of the most transformative rail projects in the UK and our IT team is at the heart of making it happen. We manage cloud-based and on-site services for over 2,000 users, ensuring seamless collaboration, secure data management, and cutting-edge digital solutions across our business. Were now looking for a Solutions Architect (Information Management) a technically skilled, forward-thinking professional who will play a leading role in developing and enhancing our information management systems. If youre passionate about modern cloud technologies, integration architecture, and building scalable, high-performance solutions, this is your opportunity to make a lasting impact. Working arrangements: This role will be based in the office for a minimum of 3 days per week. Main Responsibilities
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        We are seeking a proactive and growth-driven CRM Architect to support our VIP and Growth teams by managing the implementation, configuration, and ongoing support of a dedicated CRM platform. The ideal candidate will possess expertise in CRM solutions (e.g., Salesforce), have a strategic mindset for solving business challenges, and act as a thought partner in scaling the VIP program and growth-focused initiatives. This role will play a critical part in delivering a best-in-class experience for our relationship managers, our high-value clients and enabling business growth through the CRM system. Responsibilities * Serve as the primary architect for the CRM platform, overseeing day-to-day configuration, user support, and system optimization. * Design and customize CRM objects, fields, workflows, reports, dashboards, and page layouts to address evolving business needs.
        We are seeking a proactive and growth-driven CRM Architect to support our VIP and Growth teams by managing the implementation, configuration, and ongoing support of a dedicated CRM platform. The ideal candidate will possess expertise in CRM solutions (e.g., Salesforce), have a strategic mindset for solving business challenges, and act as a thought partner in scaling the VIP program and growth-focused initiatives. This role will play a critical part in delivering a best-in-class experience for our relationship managers, our high-value clients and enabling business growth through the CRM system. Responsibilities * Serve as the primary architect for the CRM platform, overseeing day-to-day configuration, user support, and system optimization. * Design and customize CRM objects, fields, workflows, reports, dashboards, and page layouts to address evolving business needs.
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        Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
        Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
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        This includes developing our public GraphQL API, building robust log delivery solutions and integrations with customer destinations, and contributing to our alerting products, which empower users to configure and receive near real-time alerts based on the logs and metrics observed by our data platform.
        This includes developing our public GraphQL API, building robust log delivery solutions and integrations with customer destinations, and contributing to our alerting products, which empower users to configure and receive near real-time alerts based on the logs and metrics observed by our data platform.
        more
        Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
        Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
        more
        NEW
        lastupdated - 10/21/2025 - jobtitle - Job Description - Role - Sr. Technology Architect - Technology - Data Modelling, ERWIN Modelling, Azure Architect, PySpark - Location - UK(London) Data Architect should have key understanding of building Data Models, Experience in Data Architecting and Engineering space on Spark, Pyspark, ADF, Azure Synapse and Data Lake. Your role - In the role of a Sr Technology Architect, you will primarily be responsible for identifying best-fit architectural solutions for one or more projects; develop design of application, provide regular support/guidance to project teams on complex coding, issue resolution and execution - As a thought and solution leader, you will be the key advisor to architecture and design reviews. You will anchor business pursuit initiatives, client discussions, in-house capability building.
        lastupdated - 10/21/2025 - jobtitle - Job Description - Role - Sr. Technology Architect - Technology - Data Modelling, ERWIN Modelling, Azure Architect, PySpark - Location - UK(London) Data Architect should have key understanding of building Data Models, Experience in Data Architecting and Engineering space on Spark, Pyspark, ADF, Azure Synapse and Data Lake. Your role - In the role of a Sr Technology Architect, you will primarily be responsible for identifying best-fit architectural solutions for one or more projects; develop design of application, provide regular support/guidance to project teams on complex coding, issue resolution and execution - As a thought and solution leader, you will be the key advisor to architecture and design reviews. You will anchor business pursuit initiatives, client discussions, in-house capability building.
        more
        Role Sr. Technology Architect - Technology Data Modelling, ERWIN Modelling, Azure Architect, PySpark - Location UK(London) Job Description - Data Architect should have key understanding of building Data Models, Experience in Data Architecting and Engineering space on Spark, Pyspark, ADF, Azure Synapse and Data Lake. Your role - In the role of a Sr Technology Architect, you will primarily be responsible for identifying best-fit architectural solutions for one or more projects; develop design of application, provide regular support/guidance to project teams on complex coding, issue resolution and execution - As a thought and solution leader, you will be the key advisor to architecture and design reviews. You will anchor business pursuit initiatives, client discussions, in-house capability building. You will have the opportunity to shape value-adding solutions that enabl
        Role Sr. Technology Architect - Technology Data Modelling, ERWIN Modelling, Azure Architect, PySpark - Location UK(London) Job Description - Data Architect should have key understanding of building Data Models, Experience in Data Architecting and Engineering space on Spark, Pyspark, ADF, Azure Synapse and Data Lake. Your role - In the role of a Sr Technology Architect, you will primarily be responsible for identifying best-fit architectural solutions for one or more projects; develop design of application, provide regular support/guidance to project teams on complex coding, issue resolution and execution - As a thought and solution leader, you will be the key advisor to architecture and design reviews. You will anchor business pursuit initiatives, client discussions, in-house capability building. You will have the opportunity to shape value-adding solutions that enabl
        more
        Role Senior Consultant - Technology Inrule BRMS & .Net - Business Unit INS-ADM - Compensation Competitive (including bonus) We are seeking a highly skilled senior developer with expertise in InRule Business Rules Management System (BRMS) and .NET technologies . The ideal candidate will have 7+ years of overall IT experience, including 23 years of hands-on experience with InRule , and will be responsible for leading the design, development, and integration of rule-based solutions within enterprise applications. Your role * Lead the design and implementation of business rule solutions using InRule BRMS. * Collaborate with business analysts and stakeholders to gather rule requirements and translate them into technical specifications. * Integrate InRule with enterprise applications and APIs, including .NET, RESTful services, and cloud platforms.
        Role Senior Consultant - Technology Inrule BRMS & .Net - Business Unit INS-ADM - Compensation Competitive (including bonus) We are seeking a highly skilled senior developer with expertise in InRule Business Rules Management System (BRMS) and .NET technologies . The ideal candidate will have 7+ years of overall IT experience, including 23 years of hands-on experience with InRule , and will be responsible for leading the design, development, and integration of rule-based solutions within enterprise applications. Your role * Lead the design and implementation of business rule solutions using InRule BRMS. * Collaborate with business analysts and stakeholders to gather rule requirements and translate them into technical specifications. * Integrate InRule with enterprise applications and APIs, including .NET, RESTful services, and cloud platforms.
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        Senior Test Engineer

        Department for Energy Security & Net Zero
        London
        £42,385 - £51,540 a year
        Lead the design and implementation of comprehensive quality strategies across platforms like Salesforce, Azure, and AWS, including test approaches (unit, integration, API, UI, performance, security, accessibility) and automation frameworks using C#, Python, Apex, and TypeScript. Proven test automation skills using tools like Selenium, Playwright, Cypress, pytest, xUnit/NUnit, or Jest for functional, integration, API, and end-to-end testing.
        Lead the design and implementation of comprehensive quality strategies across platforms like Salesforce, Azure, and AWS, including test approaches (unit, integration, API, UI, performance, security, accessibility) and automation frameworks using C#, Python, Apex, and TypeScript. Proven test automation skills using tools like Selenium, Playwright, Cypress, pytest, xUnit/NUnit, or Jest for functional, integration, API, and end-to-end testing.
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        Lead Developer

        Department for Energy Security & Net Zero
        London
        £60,620 - £67,565 a year
        Architecture and security-by-design, translating business needs into scalable, API-first solutions, applying OWASP principles, OAuth2/OIDC, and secure coding practices.
        Architecture and security-by-design, translating business needs into scalable, API-first solutions, applying OWASP principles, OAuth2/OIDC, and secure coding practices.
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        Cloud Architect

        PA Consulting Group Holdings Limited
        London
        Competitive
        We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our diverse teams of experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Job Description * Architect and Design Cloud Solutions: Design and implement end-to-end cloud solutions on Azur
        We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our diverse teams of experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Job Description * Architect and Design Cloud Solutions: Design and implement end-to-end cloud solutions on Azur
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        At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. Youll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life - The Digital Technologies Business Unit (DTBU) at Medtronic is implementing cutting-edge AI technology, computer vision, and augmented reality in the operating room (OR) to augment surgical coaching, and eventually, performance. Our goal is to deliver safer surgery around the world. Our Touch SurgeryTM Video solution is an innovative video management and data analytics platform for hospitals that includes the DS1 Computer, our first OR device, allowing surgeons, OR team members, and trainees to securely access videos of their procedures shortly after surgery.
        At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. Youll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life - The Digital Technologies Business Unit (DTBU) at Medtronic is implementing cutting-edge AI technology, computer vision, and augmented reality in the operating room (OR) to augment surgical coaching, and eventually, performance. Our goal is to deliver safer surgery around the world. Our Touch SurgeryTM Video solution is an innovative video management and data analytics platform for hospitals that includes the DS1 Computer, our first OR device, allowing surgeons, OR team members, and trainees to securely access videos of their procedures shortly after surgery.
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        About Us - Do you want to work on the most pressing problem of our generation? Do you have experience building great products and know what it's like to roll up your sleeves and execute well, while building a company around you for the long term? If you truly know what it feels like to fly the plane while trying to build it, we want to hear from you. We're looking for the best software engineers in the world to join a growing series A startup. At CarbonChain we see the climate crisis as a transformative opportunity for the global economy, and a rewarding career opportunity for those excited to take on the challenge in a rapidly growing market. Decarbonizing the economy requires a granular, real-time view of where emissions come from and how they might be reduced. We've built software to automate the carbon footprinting of supply chains so their emissions can be measur
        About Us - Do you want to work on the most pressing problem of our generation? Do you have experience building great products and know what it's like to roll up your sleeves and execute well, while building a company around you for the long term? If you truly know what it feels like to fly the plane while trying to build it, we want to hear from you. We're looking for the best software engineers in the world to join a growing series A startup. At CarbonChain we see the climate crisis as a transformative opportunity for the global economy, and a rewarding career opportunity for those excited to take on the challenge in a rapidly growing market. Decarbonizing the economy requires a granular, real-time view of where emissions come from and how they might be reduced. We've built software to automate the carbon footprinting of supply chains so their emissions can be measur
        more
        At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. Youll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life - The Digital Technologies Business Unit (DTBU) at Medtronic is implementing cutting-edge AI technology, computer vision, and augmented reality in the operating room (OR) to augment surgical coaching, and eventually, performance. Our goal is to deliver safer surgery around the world. Our Touch SurgeryTM Video solution is an innovative video management and data analytics platform for hospitals that includes the DS1 Computer, our first OR device, allowing surgeons, OR team members, and trainees to securely access videos of their procedures shortly after surgery.
        At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. Youll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life - The Digital Technologies Business Unit (DTBU) at Medtronic is implementing cutting-edge AI technology, computer vision, and augmented reality in the operating room (OR) to augment surgical coaching, and eventually, performance. Our goal is to deliver safer surgery around the world. Our Touch SurgeryTM Video solution is an innovative video management and data analytics platform for hospitals that includes the DS1 Computer, our first OR device, allowing surgeons, OR team members, and trainees to securely access videos of their procedures shortly after surgery.
        more
        We are a fast-growing, research-driven company building an artificial intelligence that helps online publishers overcome the challenges they face every day. Using novel AI, we are revolutionising the publishing industry and have a track record of building things that others have ruled out as impossible. Leading names from around the world rely on our product every day, including The Times, Le Monde, The Guardian, Vogue and many more. About the Role: You will work closely with our Product team and Data Scientists to define and execute on the future path for our products. * Work closely with senior engineers to design, build, and maintain back-end services and systems that support our AI-powered products, all whilst meeting launch deadlines. * Assist in the development and optimization of scalable, high-performance systems to support large volumes of data and machine ..
        We are a fast-growing, research-driven company building an artificial intelligence that helps online publishers overcome the challenges they face every day. Using novel AI, we are revolutionising the publishing industry and have a track record of building things that others have ruled out as impossible. Leading names from around the world rely on our product every day, including The Times, Le Monde, The Guardian, Vogue and many more. About the Role: You will work closely with our Product team and Data Scientists to define and execute on the future path for our products. * Work closely with senior engineers to design, build, and maintain back-end services and systems that support our AI-powered products, all whilst meeting launch deadlines. * Assist in the development and optimization of scalable, high-performance systems to support large volumes of data and machine ..
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        Were a specialist financial technology company transforming B2B credit (website) * Were backed by top European and American VCs including Dawn Capital, Octopus Ventures, Talis and Expa * Founded in 2020, we are licensed and operating across the UK, Europe, US and Canada with offices in London, New York and Dallas * Since our commercial launch in March 2022, we are already serving some of the worlds largest companies, providing them with superior credit protection and innovative risk management technology - Were looking for a Full Stack / Back End Engineer whos excited to build reliable systems and experiment with new technologies. Youll help design, build, and maintain the APIs and services behind our platform, working across the stack from infrastructure to UI. Youll be closely involved in technical decisions, architecture, and best practices, while contributing dire
        Were a specialist financial technology company transforming B2B credit (website) * Were backed by top European and American VCs including Dawn Capital, Octopus Ventures, Talis and Expa * Founded in 2020, we are licensed and operating across the UK, Europe, US and Canada with offices in London, New York and Dallas * Since our commercial launch in March 2022, we are already serving some of the worlds largest companies, providing them with superior credit protection and innovative risk management technology - Were looking for a Full Stack / Back End Engineer whos excited to build reliable systems and experiment with new technologies. Youll help design, build, and maintain the APIs and services behind our platform, working across the stack from infrastructure to UI. Youll be closely involved in technical decisions, architecture, and best practices, while contributing dire
        more
        Senior Software Developer - Remote with ad-hoc travel to Manchester || Experience within UK central government required - The Company - At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role, work together to minimise risk and shorten delivery times. Our team consists of highly skilled cross-functional consultants, analysts, and support staff. About the Role - We're looking for a Senior Software Developer with strong expertise in Node.js (preferably), alongside Java or JavaScript, to join our growing team. * Be eligible for BPSS clearance . * Have proven experience delivering projects within UK central governm
        Senior Software Developer - Remote with ad-hoc travel to Manchester || Experience within UK central government required - The Company - At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role, work together to minimise risk and shorten delivery times. Our team consists of highly skilled cross-functional consultants, analysts, and support staff. About the Role - We're looking for a Senior Software Developer with strong expertise in Node.js (preferably), alongside Java or JavaScript, to join our growing team. * Be eligible for BPSS clearance . * Have proven experience delivering projects within UK central governm
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        Location London Embassy Gardens - Type: Full-time - Department: Technology - Job Summary * To assist in the ongoing work relating to the integration and updates between Iterable (CRM) and WordPress (Headless and monolithic) * Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth * Assist in formulating effective, responsive designs and turning them into working Gutenberg blocks and front-end components * Designing and implementing new features and functionality * Ensuring high-performance and availability, and managing all technical aspects of the CMS (WordPress) * Contributing to best practices relating to site builds, application security, regular patching and coding standards. Responsibilities * Assist with the implementation of new features and updates to the new email market
        Location London Embassy Gardens - Type: Full-time - Department: Technology - Job Summary * To assist in the ongoing work relating to the integration and updates between Iterable (CRM) and WordPress (Headless and monolithic) * Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth * Assist in formulating effective, responsive designs and turning them into working Gutenberg blocks and front-end components * Designing and implementing new features and functionality * Ensuring high-performance and availability, and managing all technical aspects of the CMS (WordPress) * Contributing to best practices relating to site builds, application security, regular patching and coding standards. Responsibilities * Assist with the implementation of new features and updates to the new email market
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        Frequently Asked Questions

        How many API jobs are there in Hayes End?
        There are 166 API jobs within 20 miles of Hayes End available on CWJobs right now.

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