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        78 API jobs in Harlow + 20 miles

        Guidewire Developer

        Pioneer Search
        City of London, London
        £55000.00 - £65000.00 per annum
        Location: London / Hybrid (2 days in the office, 3 days from home) Salary: £55,000 - £65,000 - A Guidewire developer is required for a leading Lloyd's of London Insurance organisation, implementing a Guidewire Claims system. This is to join a brand-new team onboarding and implementing a Guidewire Claims system. You will have experience working with Guidewire, across either PolicyCenter BillingCenter or ClaimsCenter. As this is an initial migration and implementation you will be essential in assisting the organisation migrate from their existing claims platform to Claims Center which will be hosted in Guidewires Cloud. Ability to interact with stakeholders and to be involved in decisions affecting the implementation due to go live in 2026 is essential. You will have experience customising Guidewire in Gosu.
        Location: London / Hybrid (2 days in the office, 3 days from home) Salary: £55,000 - £65,000 - A Guidewire developer is required for a leading Lloyd's of London Insurance organisation, implementing a Guidewire Claims system. This is to join a brand-new team onboarding and implementing a Guidewire Claims system. You will have experience working with Guidewire, across either PolicyCenter BillingCenter or ClaimsCenter. As this is an initial migration and implementation you will be essential in assisting the organisation migrate from their existing claims platform to Claims Center which will be hosted in Guidewires Cloud. Ability to interact with stakeholders and to be involved in decisions affecting the implementation due to go live in 2026 is essential. You will have experience customising Guidewire in Gosu.
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        Senior Data Engineer

        Anson Mccade
        WC1, Central London, W C1R
        GBP 65,000.00 - 70,000.00 per year;GBP 57,000.00 per year;GBP 64,000.0
        £65,000 - 70,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent £57,000 - £64,000 (London up to £70,000) + Excellent Benefits - Hybrid / UK-Wide Locations - A respected digital consultancy is on the lookout for a Senior Data Engineer to join its growing data practice. This is a brilliant opportunity to be part of a human-focused, tech-forward environment that delivers bespoke data solutions for clients in both the public and private sectors. Senior Engineers here don't just write code-they shape outcomes. You'll join a collaborative, agile team that values technical excellence, continuous improvement, and inclusive delivery. The consultancy is known for combining engineering, data and user-centred design to build impactful platforms that matter. In this role, you'll take the lead in crafting data pipelines, designing c
        £65,000 - 70,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent £57,000 - £64,000 (London up to £70,000) + Excellent Benefits - Hybrid / UK-Wide Locations - A respected digital consultancy is on the lookout for a Senior Data Engineer to join its growing data practice. This is a brilliant opportunity to be part of a human-focused, tech-forward environment that delivers bespoke data solutions for clients in both the public and private sectors. Senior Engineers here don't just write code-they shape outcomes. You'll join a collaborative, agile team that values technical excellence, continuous improvement, and inclusive delivery. The consultancy is known for combining engineering, data and user-centred design to build impactful platforms that matter. In this role, you'll take the lead in crafting data pipelines, designing c
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        PREMIUM

        Senior Front End Engineer

        Ncounter LTD
        EC2, City of London
        From £600 to £700 per annum Inside IR35
        Front-End Engineer (Contract) Secure AI Systems for Defence - Contract | Inside IR35 | £600£700/day | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only - Contract Length: Initial 3-month engagement (rolling), part of a 69 month roadmap - Were supporting a cutting-edge AI organisation delivering a government-funded mission into the Defence sector. Theyre seeking a talented Front-End Engineer to help build and iterate on user interfaces that bring complex machine learning outputs to life - transcription analysis, graph-based risk models, and natural-language interfaces for end users in secure, disconnected environments. This is not your typical dashboard gig. Its a chance to design and build offline-first, insight-rich tools that support real-world decision-makingwhere clarity and usability can have operational consequences. o Live and retrospective transcription
        Front-End Engineer (Contract) Secure AI Systems for Defence - Contract | Inside IR35 | £600£700/day | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only - Contract Length: Initial 3-month engagement (rolling), part of a 69 month roadmap - Were supporting a cutting-edge AI organisation delivering a government-funded mission into the Defence sector. Theyre seeking a talented Front-End Engineer to help build and iterate on user interfaces that bring complex machine learning outputs to life - transcription analysis, graph-based risk models, and natural-language interfaces for end users in secure, disconnected environments. This is not your typical dashboard gig. Its a chance to design and build offline-first, insight-rich tools that support real-world decision-makingwhere clarity and usability can have operational consequences. o Live and retrospective transcription
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        Senior Technical Consultant - Genesys

        COMPUTACENTER (UK) LIMITED
        Hatfield, Hertfordshire, AL10 9TW
        Unspecified
        Life on the team - Join a high-impact team at the forefront of global service delivery innovation. As part of the GSD Systems team, youll play a key role in delivering and enhancing the contact centre technologies that support Computacenters Global Service Desk (GSD). With over 4,000 agents relying on our solutions daily, we ensure seamless multi-channel experiences from voice and email to web chat and chatbot with industry-leading reliability. You'll be surrounded by forward-thinking professionals who are passionate about technology, continuous improvement, and delivering exceptional customer experiences. This is your opportunity to shape the future of contact centre solutions within a dynamic, global organisation that values innovation, autonomy, and technical excellence. What you'll do * Act as the technical authority for the Genesys Cloud CX platform, leading the
        Life on the team - Join a high-impact team at the forefront of global service delivery innovation. As part of the GSD Systems team, youll play a key role in delivering and enhancing the contact centre technologies that support Computacenters Global Service Desk (GSD). With over 4,000 agents relying on our solutions daily, we ensure seamless multi-channel experiences from voice and email to web chat and chatbot with industry-leading reliability. You'll be surrounded by forward-thinking professionals who are passionate about technology, continuous improvement, and delivering exceptional customer experiences. This is your opportunity to shape the future of contact centre solutions within a dynamic, global organisation that values innovation, autonomy, and technical excellence. What you'll do * Act as the technical authority for the Genesys Cloud CX platform, leading the
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        Role: Backend Engineer (NestJS, SaaS, ERP) We're hiring a seasoned backend engineer to lead our platform rebuild You'll collaborate closely with the founder, shaping the product and scaling the tech. What You'll Do * Lead backend dev using NestJS * Design scalable APIs and ERP/accounting tool integrations * Work with AI tools (OpenAI, Vertex AI) * Define architecture and set engineering standards * Mentor junior developers What We're Looking For * Strong NestJS + SaaS backend experience * ERP/accounting integration experience * Solid JavaScript/TypeScript skills * Comfortable owning projects end-to-end * Bonus: Experience with AI APIs and frontend (Next.js/Node.js)
        Role: Backend Engineer (NestJS, SaaS, ERP) We're hiring a seasoned backend engineer to lead our platform rebuild You'll collaborate closely with the founder, shaping the product and scaling the tech. What You'll Do * Lead backend dev using NestJS * Design scalable APIs and ERP/accounting tool integrations * Work with AI tools (OpenAI, Vertex AI) * Define architecture and set engineering standards * Mentor junior developers What We're Looking For * Strong NestJS + SaaS backend experience * ERP/accounting integration experience * Solid JavaScript/TypeScript skills * Comfortable owning projects end-to-end * Bonus: Experience with AI APIs and frontend (Next.js/Node.js)
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        Key Responsibilities * Lead the frontend rebuild of the platform's first major version using React (Next.js) and Node.js. * Work closely with design, backend, and product teams to develop interactive features that simplify complex financial processes. * Develop secure, scalable UI components integrated with backend APIs and third-party systems. * Contribute to the development and upkeep of a modern, component-based design system. * Improve usability and performance across browsers and devices with a focus on speed and polish. * Incorporate user feedback to continuously refine the experience. Requirements * Solid experience building modern web applications with React and Node.js. * Background in SaaS development, ideally within finance, ERP, or construction tech domains. * Strong understanding of RESTful APIs, authentication, and state management (e.g., Redux, React Qu
        Key Responsibilities * Lead the frontend rebuild of the platform's first major version using React (Next.js) and Node.js. * Work closely with design, backend, and product teams to develop interactive features that simplify complex financial processes. * Develop secure, scalable UI components integrated with backend APIs and third-party systems. * Contribute to the development and upkeep of a modern, component-based design system. * Improve usability and performance across browsers and devices with a focus on speed and polish. * Incorporate user feedback to continuously refine the experience. Requirements * Solid experience building modern web applications with React and Node.js. * Background in SaaS development, ideally within finance, ERP, or construction tech domains. * Strong understanding of RESTful APIs, authentication, and state management (e.g., Redux, React Qu
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        Software Development Team Lead

        Hays
        EC1, City of London
        £90000.0 - £110000.0 per annum + Competitive + Benefits Package
        Programming Languages & Frameworks: TypeScript, Node.js, NestJS (REST API framework), AngularJS (or similar frontend frameworks) * Databases & Data Management: PostgreSQL, PostgREST (RESTful API layer over PostgreSQL)
        Programming Languages & Frameworks: TypeScript, Node.js, NestJS (REST API framework), AngularJS (or similar frontend frameworks) * Databases & Data Management: PostgreSQL, PostgREST (RESTful API layer over PostgreSQL)
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        NEW

        Microsoft Active Directory Admin

        Infoplus Technologies UK Ltd
        East London, London, E1 7JF
        Unspecified
        Programming in Azure / Microsoft capable languages, such as ARM / Bicep, PowerShell, yaml, Python and a understanding of Azure API's from the data plane
        Programming in Azure / Microsoft capable languages, such as ARM / Bicep, PowerShell, yaml, Python and a understanding of Azure API's from the data plane
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        NEW

        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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        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
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        NEW
        Work directly on the Market Data API, taking ownership around enhancements and liaising with business teams to understand new requirements. * API Knowledge: Understanding of API creation and processes.
        Work directly on the Market Data API, taking ownership around enhancements and liaising with business teams to understand new requirements. * API Knowledge: Understanding of API creation and processes.
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        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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        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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        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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        MMC Corporate - We are looking for a talented and motivated individual to join our Cloud Platforms team at Marsh McLennan, based in Liverpool, United Kingdom. This is a hybrid role, requiring a minimum of three days per week in the office. * Operational Support for public cloud technology solutions, primarily focused on the AWS or Azure cloud platforms. * Obtain and maintain an in-depth understanding of AWS and Azure public cloud technologies to ensure all appropriate options are considered to support business initiatives. * Act as a consultant and subject matter expert for Project Managers, Developers, and Engineering teams, to resolve technical obstacles and improve the product's vision. * Work closely with multiple Project Management and Software Engineering teams on understanding ways to improve IaaS and PaaS service offerings.
        MMC Corporate - We are looking for a talented and motivated individual to join our Cloud Platforms team at Marsh McLennan, based in Liverpool, United Kingdom. This is a hybrid role, requiring a minimum of three days per week in the office. * Operational Support for public cloud technology solutions, primarily focused on the AWS or Azure cloud platforms. * Obtain and maintain an in-depth understanding of AWS and Azure public cloud technologies to ensure all appropriate options are considered to support business initiatives. * Act as a consultant and subject matter expert for Project Managers, Developers, and Engineering teams, to resolve technical obstacles and improve the product's vision. * Work closely with multiple Project Management and Software Engineering teams on understanding ways to improve IaaS and PaaS service offerings.
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        Frequently Asked Questions

        How many API jobs are there in Harlow?
        There are 78 API jobs within 20 miles of Harlow available on CWJobs right now.

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