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        • Hertfordshire

        23 Contract API jobs in Hertford + 20 miles

        203 exact matches jobs are outside your preferred location

        Senior Front End Developer (React)

        Data Careers
        Southwark, SE1
        £450 - £500 per day
        Fully Remote - UK - 3 Month Contract - Rate: £450 - £500 per day (Inside IR35) We are looking to recruit a Senior Front End Developer for a global software organisation on an initial 3 month contract. This is an excellent opportunity to work hands-on with modern frontend technologies, shape the user experience, and mentor junior developers. * Hands-on development of new functionality, building the frontend and integrating with APIs. * Modify and modernise existing functionality to improve performance and usability. * Apply best practices to deliver high-quality, secure, and performant solutions. * Build reusable components and collaborate closely with teams across the business. * Work with product managers, UX/UI designers, and stakeholders to gather requirements and propose effective solutions. * Provide accurate estimates for work items and contribute to project pla
        Fully Remote - UK - 3 Month Contract - Rate: £450 - £500 per day (Inside IR35) We are looking to recruit a Senior Front End Developer for a global software organisation on an initial 3 month contract. This is an excellent opportunity to work hands-on with modern frontend technologies, shape the user experience, and mentor junior developers. * Hands-on development of new functionality, building the frontend and integrating with APIs. * Modify and modernise existing functionality to improve performance and usability. * Apply best practices to deliver high-quality, secure, and performant solutions. * Build reusable components and collaborate closely with teams across the business. * Work with product managers, UX/UI designers, and stakeholders to gather requirements and propose effective solutions. * Provide accurate estimates for work items and contribute to project pla
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        Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
        Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
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        NEWFEATURED
        You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
        You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
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        Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
        Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
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        NEW
        Ebury Connect is dedicated to helping clients with complex cross-border money flows by providing technology-driven payment automation through our public API stack. This is a critical role that requires a deep understanding of the travel industry, cross-border payments, and API-first product development. * Product Strategy & Vision : Define the product vision and roadmap for the travel vertical, focusing on integrated solutions delivered via our API stack. * API-First Development : Work with engineering teams to define and prioritize features for our public API stack, ensuring it supports the specific requirements of travel companies. * API & Integrated Solutions : Proven experience defining and executing product strategies for integrated solutions via APIs.
        Ebury Connect is dedicated to helping clients with complex cross-border money flows by providing technology-driven payment automation through our public API stack. This is a critical role that requires a deep understanding of the travel industry, cross-border payments, and API-first product development. * Product Strategy & Vision : Define the product vision and roadmap for the travel vertical, focusing on integrated solutions delivered via our API stack. * API-First Development : Work with engineering teams to define and prioritize features for our public API stack, ensuring it supports the specific requirements of travel companies. * API & Integrated Solutions : Proven experience defining and executing product strategies for integrated solutions via APIs.
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        Build and maintain resilient components, including API gateways, messaging systems, orchestration layers, and user interface elements * Integration & Solution Design - Strong background in application and integration design, including microservices architecture, API lifecycle management, DevOps practices, and automated testing.
        Build and maintain resilient components, including API gateways, messaging systems, orchestration layers, and user interface elements * Integration & Solution Design - Strong background in application and integration design, including microservices architecture, API lifecycle management, DevOps practices, and automated testing.
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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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        NEW
        About hyperexponential (hx) At hyperexponential, were building the AI-powered platform that enables the worlds most critical decisions in a $7 trillion industry - which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or communities recover after major storms. Until now, insurers have been making billion-dollar decisions using outdated tools. Were changing that. Our platform brings together data, AI, and human expertise to give insurers the fastest path from submission to decision - helping them move faster, act smarter, and take on more risk with confidence. Backed by a16z, Highland Europe, and Battery Ventures, were scaling globally - already trusted by nearly 50 of the worlds largest insurers, with zero churn and billions in premiums .
        About hyperexponential (hx) At hyperexponential, were building the AI-powered platform that enables the worlds most critical decisions in a $7 trillion industry - which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or communities recover after major storms. Until now, insurers have been making billion-dollar decisions using outdated tools. Were changing that. Our platform brings together data, AI, and human expertise to give insurers the fastest path from submission to decision - helping them move faster, act smarter, and take on more risk with confidence. Backed by a16z, Highland Europe, and Battery Ventures, were scaling globally - already trusted by nearly 50 of the worlds largest insurers, with zero churn and billions in premiums .
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        Additionally, our apps and API are trusted by tens of thousands of drivers and fleets including Blue Badge innovators Motability Operations.
        Additionally, our apps and API are trusted by tens of thousands of drivers and fleets including Blue Badge innovators Motability Operations.
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        NEW
        Any exposure to the following technologies is a plus: Terraform, Microservices, API Gateway, Pydantic, Alembic, Lambda, or AWS Cloud. * API Gateway
        Any exposure to the following technologies is a plus: Terraform, Microservices, API Gateway, Pydantic, Alembic, Lambda, or AWS Cloud. * API Gateway
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        Hands-on experience with API integration projects , preferably using MuleSoft , and solid understanding of data contracts and end-to-end data flows in enterprise systems.
        Hands-on experience with API integration projects , preferably using MuleSoft , and solid understanding of data contracts and end-to-end data flows in enterprise systems.
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        NEW
        Mentor AI Application Engineers and other team members, guiding them on backend, API, and AI/ML integration patterns. * Strong knowledge of SaaS integrations and API development (REST, GraphQL).
        Mentor AI Application Engineers and other team members, guiding them on backend, API, and AI/ML integration patterns. * Strong knowledge of SaaS integrations and API development (REST, GraphQL).
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        Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Were building the first European Investment API to enable any financial institution offering a wide range of efficient and transparent investment products, such as stocks and ETFs in nominal, portfolio, and fractional form. * Continuous learning: The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
        Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Were building the first European Investment API to enable any financial institution offering a wide range of efficient and transparent investment products, such as stocks and ETFs in nominal, portfolio, and fractional form. * Continuous learning: The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
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        NEW
        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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        Facilitate Onboarding: You'll be responsible for the technical onboarding of new clients, guiding them through API documentation, troubleshooting integration issues, and ensuring a seamless transition.
        Facilitate Onboarding: You'll be responsible for the technical onboarding of new clients, guiding them through API documentation, troubleshooting integration issues, and ensuring a seamless transition.
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        Frequently Asked Questions

        How many contract API jobs are there in Hertford?
        There are 23 contract API jobs within 20 miles of Hertford available on CWJobs right now.

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