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        129 Permanent API jobs in Essex + 20 miles

        Senior Software Engineer C#

        McCabe & Barton
        EC2, City of London
        From £350 to £450 per day
        TDD mindset & solid API design skills
        TDD mindset & solid API design skills
        5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
        5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
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        NEW
        There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
        There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
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        NEWPREMIUM

        AI Engineer

        Comtecs
        EC1M, City of London
        From £75,000 to £90,000 per annum +Benefits
        Strong hands-on experience of the Microsoft AI stack, including Microsoft Copilot, Copilot Studio, Azure AI Foundry, Microsoft Graph API and Copilot within Microsoft 365 applications.
        Strong hands-on experience of the Microsoft AI stack, including Microsoft Copilot, Copilot Studio, Azure AI Foundry, Microsoft Graph API and Copilot within Microsoft 365 applications.
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        Full Stack Lead Engineer

        Hunter Selection
        Soho, W1
        £60000 - £85000 per annum + health insurance life insurance
        Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
        Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
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        NEWFEATURED
        Youll have a working knowledge of a broad stack of cloud technologies, excellent engineering skills, and experience of Ingestion and ETL methods for pushing data into Snowflake from internal (MuleSoft, Salesforce, SaaS platforms etc) and external API-sources.
        Youll have a working knowledge of a broad stack of cloud technologies, excellent engineering skills, and experience of Ingestion and ETL methods for pushing data into Snowflake from internal (MuleSoft, Salesforce, SaaS platforms etc) and external API-sources.
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        NEW
        About Us - With Intelligence is a leading provider of data and insights for the global asset management industry. We are scaling up our technological capabilities, harnessing the power of advanced data systems, AI, and modern cloud-based infrastructure to build a flexible, event-driven platform that supports our growing suite of digital products. We're assembling a top-tier London-based engineering team to lead this transformation. This role offers the opportunity to be a key contributor to our technology evolution, leveraging your deep .NET experience to influence product direction, mentor teams, and ensure our systems are robust, scalable, and modern. Role Overview - As a .Net Specialist you will be leading teams in the design, development, and implementation of software solutions using the .NET framework. You will act as a technical authority across multiple produc
        About Us - With Intelligence is a leading provider of data and insights for the global asset management industry. We are scaling up our technological capabilities, harnessing the power of advanced data systems, AI, and modern cloud-based infrastructure to build a flexible, event-driven platform that supports our growing suite of digital products. We're assembling a top-tier London-based engineering team to lead this transformation. This role offers the opportunity to be a key contributor to our technology evolution, leveraging your deep .NET experience to influence product direction, mentor teams, and ensure our systems are robust, scalable, and modern. Role Overview - As a .Net Specialist you will be leading teams in the design, development, and implementation of software solutions using the .NET framework. You will act as a technical authority across multiple produc
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        Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. Gravitee.io is taking APIs to the next level we are the premier, open source API platform and we want everyone to know how amazing our software is. * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
        Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. Gravitee.io is taking APIs to the next level we are the premier, open source API platform and we want everyone to know how amazing our software is. * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
        more
        This role involves creating high-quality documentation, including API integrations, and leveraging your expertise to guide projects to success. * Document and manage API requirements, ensuring alignment with REST/GraphQL principles and system capabilities. * Leverage knowledge of API principles (REST/GraphQL), web technologies (e.g., cookies, HTML, JSON), and authentication protocols (e.g., oAuth2, SAML). * Understanding of API principles such as REST / GraphQL
        This role involves creating high-quality documentation, including API integrations, and leveraging your expertise to guide projects to success. * Document and manage API requirements, ensuring alignment with REST/GraphQL principles and system capabilities. * Leverage knowledge of API principles (REST/GraphQL), web technologies (e.g., cookies, HTML, JSON), and authentication protocols (e.g., oAuth2, SAML). * Understanding of API principles such as REST / GraphQL
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        Minimum Requirements - Required Skills - 1. Bachelors degree in Computer Science or a related field (preferred). 2. Minimum 3 years of hands-on experience in WordPress development. 3. Proficiency in PHPMySQL, , HTML, CSS, JavaScript, and RESTful APIs. 4. Solid experience with custom plugin and theme development . 5. Demonstrated experience integrating WordPress with ERP systems . 6. Familiarity with development tools like Git, Docker, and WP-CLI. 7. Knowledge of website performance optimization and security best practices. 8. Ability to manage tasks independently with minimal supervision. Education/Experience - 9. WordPress Development: 3 years (Required) Additional Requirements - 10. Develop and maintain custom WordPress themes and plugins. 11. Build backend functionality using PHP, MySQL, and REST APIs. 12. Integrate WordPress with NetSuite ERP system. 13.
        Minimum Requirements - Required Skills - 1. Bachelors degree in Computer Science or a related field (preferred). 2. Minimum 3 years of hands-on experience in WordPress development. 3. Proficiency in PHPMySQL, , HTML, CSS, JavaScript, and RESTful APIs. 4. Solid experience with custom plugin and theme development . 5. Demonstrated experience integrating WordPress with ERP systems . 6. Familiarity with development tools like Git, Docker, and WP-CLI. 7. Knowledge of website performance optimization and security best practices. 8. Ability to manage tasks independently with minimal supervision. Education/Experience - 9. WordPress Development: 3 years (Required) Additional Requirements - 10. Develop and maintain custom WordPress themes and plugins. 11. Build backend functionality using PHP, MySQL, and REST APIs. 12. Integrate WordPress with NetSuite ERP system. 13.
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        NEW
        This is your opportunity to join AXIS Capital a trusted global provider of specialty lines insurance and reinsurance. We stand apart for our outstanding client service, intelligent risk taking and superior risk adjusted returns for our shareholders. We also proudly maintain an entrepreneurial, disciplined and ethical corporate culture. As a member of AXIS, you join a team that is among the best in the industry. At AXIS, we believe that we are only as strong as our people. We strive to create an inclusive and welcoming culture where employees of all backgrounds and from all walks of life feel comfortable and empowered to be themselves. This means that we bring our whole selves to work. All qualified applicants will receive consideration for employment without regard to race, color, religion or creed, sex, pregnancy, sexual orientation, gender identity or expression, na
        This is your opportunity to join AXIS Capital a trusted global provider of specialty lines insurance and reinsurance. We stand apart for our outstanding client service, intelligent risk taking and superior risk adjusted returns for our shareholders. We also proudly maintain an entrepreneurial, disciplined and ethical corporate culture. As a member of AXIS, you join a team that is among the best in the industry. At AXIS, we believe that we are only as strong as our people. We strive to create an inclusive and welcoming culture where employees of all backgrounds and from all walks of life feel comfortable and empowered to be themselves. This means that we bring our whole selves to work. All qualified applicants will receive consideration for employment without regard to race, color, religion or creed, sex, pregnancy, sexual orientation, gender identity or expression, na
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        What is the average salary for API in Essex?

        Average salary per year
        £47,499

        The average salary for a API in Essex is £47,499. API in Essex salaries range from £37,499 to £47,499.

        Frequently Asked Questions

        How many permanent API jobs are there in Essex?
        There are 129 permanent API jobs within 20 miles of Essex available on CWJobs right now.

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