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        • Hertfordshire

        28 Contract API jobs in Hertford + 20 miles

        409 exact matches jobs are outside your preferred location

        Revenue Operations Analyst/Associate

        Tokio Marine Kiln Insurance Services Ltd
        London
        Competitive
        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
        You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
        You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
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        NEW
        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.
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        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.
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        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.
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        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.
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        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.
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        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
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        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.
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        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).
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        NEW
        As we expand our Data & AI practice, we are seeking a Data / Solution Architect to play a key role in designing and delivering cutting-edge AI proof of concepts, MVPs, and next-generation Digital Assistant platforms for our clients. The Role - This is a hands-on architecture and design role where you will bridge business vision with technical delivery. You will shape solutions from the ground up, from concept and discovery through to scalable MVPs, ensuring that architecture, data, and AI capabilities are robust, secure, and enterprise-ready. You’ll be working closely with client stakeholders, product managers, engineers, and data scientists to deliver AI-powered digital assistants and productivity solutions that drive measurable outcomes. What You’ll Do * Architect solutions for AI-powered proof of concepts and MVPs, with a focus on Digital Assistants and intelligent
        As we expand our Data & AI practice, we are seeking a Data / Solution Architect to play a key role in designing and delivering cutting-edge AI proof of concepts, MVPs, and next-generation Digital Assistant platforms for our clients. The Role - This is a hands-on architecture and design role where you will bridge business vision with technical delivery. You will shape solutions from the ground up, from concept and discovery through to scalable MVPs, ensuring that architecture, data, and AI capabilities are robust, secure, and enterprise-ready. You’ll be working closely with client stakeholders, product managers, engineers, and data scientists to deliver AI-powered digital assistants and productivity solutions that drive measurable outcomes. What You’ll Do * Architect solutions for AI-powered proof of concepts and MVPs, with a focus on Digital Assistants and intelligent
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        NEWFEATURED
        Multiple Product Manager roles focused on leading the definition and development of a Digital Assistant platform powered by AI and LLMs and AI MVPs/PoCs. You’ll work across stakeholders spanning business and technical teams to shape and manage a roadmap that delivers real value, fast. You'll play a key role in bridging the gap between end user needs, enterprise constraints, and cutting edge AI capabilities. Key Responsibilities * Own the product vision and roadmap for the Digital Assistant, aligned to client priorities and user needs * Run discovery sessions with client stakeholders to understand pain points and identify high impact opportunities * Translate business needs into clear product requirements, user stories, and acceptance criteria * Collaborate with engineering, design, and data science teams (internal and client side) to deliver key features
        Multiple Product Manager roles focused on leading the definition and development of a Digital Assistant platform powered by AI and LLMs and AI MVPs/PoCs. You’ll work across stakeholders spanning business and technical teams to shape and manage a roadmap that delivers real value, fast. You'll play a key role in bridging the gap between end user needs, enterprise constraints, and cutting edge AI capabilities. Key Responsibilities * Own the product vision and roadmap for the Digital Assistant, aligned to client priorities and user needs * Run discovery sessions with client stakeholders to understand pain points and identify high impact opportunities * Translate business needs into clear product requirements, user stories, and acceptance criteria * Collaborate with engineering, design, and data science teams (internal and client side) to deliver key features
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        NEWFEATURED
        About the role - We are looking for an experienced Search Relevance Engineer to help shape and optimise the search experience for millions of users. This role sits at the intersection of engineering and data science, focusing on search relevancy, ranking models, and query understanding. You will work closely with Product, Engineering, DevOps, and Data teams to design and deliver strategic projects that directly impact customer experience. What youll be doing * Fine-tuning keyword search (including BM25), query expansion, and retrieval methods (ANN dense retrieval, sparse retrieval, semantic search). * Applying techniques such as entity/name density recognition, query understanding, query rescorers, and learning-to-rank models. * Experimenting with embeddings and vector search to improve personalisation and semantic relevance.
        About the role - We are looking for an experienced Search Relevance Engineer to help shape and optimise the search experience for millions of users. This role sits at the intersection of engineering and data science, focusing on search relevancy, ranking models, and query understanding. You will work closely with Product, Engineering, DevOps, and Data teams to design and deliver strategic projects that directly impact customer experience. What youll be doing * Fine-tuning keyword search (including BM25), query expansion, and retrieval methods (ANN dense retrieval, sparse retrieval, semantic search). * Applying techniques such as entity/name density recognition, query understanding, query rescorers, and learning-to-rank models. * Experimenting with embeddings and vector search to improve personalisation and semantic relevance.
        more
        SC Cleared Blue Prism Developer - 6 months - circa £500 a day INSIDE IR35 - Remote - We are looking for an SC Cleared BluePrism Developer to work within the Central Government sector - Looking for an experienced Automation developer. 1. Must have SC clearance - 2. Must have BluePrism Development experience - 3. Ideally have experience in PowerAutomate/APIs development - 4. Must be able to delivery independently, reporting to an automation lead but these automations will be theirs to own - Please forward your profile for consideration - Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website. Please note that no terminology in this advert is intended to discriminate on the grounds of a person's
        SC Cleared Blue Prism Developer - 6 months - circa £500 a day INSIDE IR35 - Remote - We are looking for an SC Cleared BluePrism Developer to work within the Central Government sector - Looking for an experienced Automation developer. 1. Must have SC clearance - 2. Must have BluePrism Development experience - 3. Ideally have experience in PowerAutomate/APIs development - 4. Must be able to delivery independently, reporting to an automation lead but these automations will be theirs to own - Please forward your profile for consideration - Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website. Please note that no terminology in this advert is intended to discriminate on the grounds of a person's
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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, Infrastructure, amongst many others.