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        Hertfordshire
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        • Hertfordshire

        28 Contract API jobs in Hertford + 20 miles

        414 exact matches jobs are outside your preferred location

        C# Developer - Remote

        Financial Data Management Plc*
        London
        Competitive
        Minimum of 5 years experience as a C# Developer with proficiency in Python, .NET framework and C# as well as experience with ML.NET, ASP.NET, MVC, Web API Containers (Docker/Kubernetes), Machine Learning Operations (MLOps) and CI/CD
        Minimum of 5 years experience as a C# Developer with proficiency in Python, .NET framework and C# as well as experience with ML.NET, ASP.NET, MVC, Web API Containers (Docker/Kubernetes), Machine Learning Operations (MLOps) and CI/CD
        more
        NEW
        Replacement of current EDI provider for EMEA, with delivery through new global API led integrations * Rollout of B2B E-Invoicing compliance for Belgium, France and Germany with transition to new global API led integrations.
        Replacement of current EDI provider for EMEA, with delivery through new global API led integrations * Rollout of B2B E-Invoicing compliance for Belgium, France and Germany with transition to new global API led integrations.
        more
        Partner with Engineering for API-driven integrations and maintain data connectors to our dashboard. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
        Partner with Engineering for API-driven integrations and maintain data connectors to our dashboard. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
        more
        Experience in API design, integration, and management for building systems interoperability, including RESTful services, GraphQL, and real-time data streaming protocols.
        Experience in API design, integration, and management for building systems interoperability, including RESTful services, GraphQL, and real-time data streaming protocols.
        more
        We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
        We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
        more
        Proficiency in API technologies, including RESTful APIs and platforms such as Apigee, with the ability to lead teams in designing robust and secure integration architectures.
        Proficiency in API technologies, including RESTful APIs and platforms such as Apigee, with the ability to lead teams in designing robust and secure integration architectures.
        more
        Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models.
        Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models.
        more
        One of our leading clients is looking to recruit a UI Engineer / Developer / Front End Developer / Software Engineer. Location remote - Duration 6 months - Experience in a UI Engineer / Software Engineer / Front End Developer / Angular Developer role - Angular experience essential - Building and maintaining responsive and accessible interfaces at scale - Familiarity with state management libraries (e.g., Redux, Zustand) and component-based architectures - Solid understanding of web performance optimisation, testing (unit, integration, and end-to-end), and cross-browser compatibility - Collaborate with UX designers and product teams to translate design wireframes and prototypes into working front-end components - Ensure a consistent look and feel across all digital products through the implementation and maintenance of a shared design system.
        One of our leading clients is looking to recruit a UI Engineer / Developer / Front End Developer / Software Engineer. Location remote - Duration 6 months - Experience in a UI Engineer / Software Engineer / Front End Developer / Angular Developer role - Angular experience essential - Building and maintaining responsive and accessible interfaces at scale - Familiarity with state management libraries (e.g., Redux, Zustand) and component-based architectures - Solid understanding of web performance optimisation, testing (unit, integration, and end-to-end), and cross-browser compatibility - Collaborate with UX designers and product teams to translate design wireframes and prototypes into working front-end components - Ensure a consistent look and feel across all digital products through the implementation and maintenance of a shared design system.
        more
        Remote, with occasional London travel £450 to £500 p/d - Inside IR35 3-month initial contract (Immediate start) iO Associates is partnered with a Software Development Consultancy delivering key Public Sector projects. We're looking for Front-End Developers (React and Angular) with a track record of working in Government, Council, or wider Public Sector environments. * Strong hands-on experience with React and Angular * Solid understanding of core web development (HTML, CSS, JavaScript, APIs) * Previous experience delivering solutions within Gov / Council / Public Sector projects * Ability to work in an agile, collaborative environment If this sounds like you, drop me a DM or send your CV directly.
        Remote, with occasional London travel £450 to £500 p/d - Inside IR35 3-month initial contract (Immediate start) iO Associates is partnered with a Software Development Consultancy delivering key Public Sector projects. We're looking for Front-End Developers (React and Angular) with a track record of working in Government, Council, or wider Public Sector environments. * Strong hands-on experience with React and Angular * Solid understanding of core web development (HTML, CSS, JavaScript, APIs) * Previous experience delivering solutions within Gov / Council / Public Sector projects * Ability to work in an agile, collaborative environment If this sounds like you, drop me a DM or send your CV directly.
        more
        NEWFEATURED
        Java Developers - 100% Remote role - SC Clearance is preferred but will sponsor exceptional applicants - Overview of the Java Developers role - We are looking for highly skilled Java Developers to join a secure government project with a critical deadline. This is an opportunity to work on a large-scale system where your expertise in Java, Spring Boot, and AWS will be essential. You will be part of a collaborative team, building scalable solutions and solving complex problems that have a real impact. Key responsibilities for Java Developers * Design, develop, and deploy backend services using Java and Spring Boot * Build and maintain scalable APIs * Analyse schemas and write optimised SQL queries against large datasets * Work closely with DevOps on Docker containerisation and cloud deployment in AWS * Contribute to architectural decisions and shape technical roadmaps
        Java Developers - 100% Remote role - SC Clearance is preferred but will sponsor exceptional applicants - Overview of the Java Developers role - We are looking for highly skilled Java Developers to join a secure government project with a critical deadline. This is an opportunity to work on a large-scale system where your expertise in Java, Spring Boot, and AWS will be essential. You will be part of a collaborative team, building scalable solutions and solving complex problems that have a real impact. Key responsibilities for Java Developers * Design, develop, and deploy backend services using Java and Spring Boot * Build and maintain scalable APIs * Analyse schemas and write optimised SQL queries against large datasets * Work closely with DevOps on Docker containerisation and cloud deployment in AWS * Contribute to architectural decisions and shape technical roadmaps
        more
        PREMIUM
        Your new company - A forward-thinking, high-end residential construction firm based in Hertfordshire is embracing digital transformation to stay ahead in a tech-driven industry. With a collaborative and friendly culture, the business is investing in innovation, AI, and the right people to shape the future of construction. Your new role - You'll be a tech-savvy, people-smart professional with a passion for innovation and a hands-on approach. * Experience in data analysis, digital innovation, or tech transformation (construction experience is a bonus). * Familiarity with AI tools (e.g. ChatGPT, Copilot, Midjourney) and business platforms (e.g. Power BI, Excel, Google Workspace). * Strong communication skills and the ability to translate technical concepts into plain English. * A proactive mindset, curiosity, and the ability to manage multiple priorities.
        Your new company - A forward-thinking, high-end residential construction firm based in Hertfordshire is embracing digital transformation to stay ahead in a tech-driven industry. With a collaborative and friendly culture, the business is investing in innovation, AI, and the right people to shape the future of construction. Your new role - You'll be a tech-savvy, people-smart professional with a passion for innovation and a hands-on approach. * Experience in data analysis, digital innovation, or tech transformation (construction experience is a bonus). * Familiarity with AI tools (e.g. ChatGPT, Copilot, Midjourney) and business platforms (e.g. Power BI, Excel, Google Workspace). * Strong communication skills and the ability to translate technical concepts into plain English. * A proactive mindset, curiosity, and the ability to manage multiple priorities.
        more
        NEW
        Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
        Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
        more
        NEW

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        Frequently Asked Questions

        How many contract API jobs are there in Hertford?
        There are 28 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, Management, amongst many others.