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        22 Contract API jobs in Hertford + 20 miles

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        Principal Software Engineer

        Rapid7
        UK
        Competitive
        As a Principal Software Engineer, youll create, set and influence the technical direction of our software and architecture through hands-on development, you'll design and implement effective, scalable solutions across key product and service areas, influencing both strategic and day-to-day engineering decisions. By fostering relationships with cross-functional partners, you will contribute to the development of technical strategy. Youll help grow other software engineers through technical mentorship and guidance. About the Team - Our Product and Engineering team works with our award-winning products to help us create a single experience to help customers assess risk, detect threats and automate their security programs for over 11,000 organizations. These teams use best-in-class technology, innovative research, and broad, strategic expertise to develop both new and exi
        As a Principal Software Engineer, youll create, set and influence the technical direction of our software and architecture through hands-on development, you'll design and implement effective, scalable solutions across key product and service areas, influencing both strategic and day-to-day engineering decisions. By fostering relationships with cross-functional partners, you will contribute to the development of technical strategy. Youll help grow other software engineers through technical mentorship and guidance. About the Team - Our Product and Engineering team works with our award-winning products to help us create a single experience to help customers assess risk, detect threats and automate their security programs for over 11,000 organizations. These teams use best-in-class technology, innovative research, and broad, strategic expertise to develop both new and exi
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        Proximie is on a mission to improve healthcare by transforming the worlds operating rooms into connected ecosystems of people, devices, and data. Our Intelligence Suite transforms operating room (OR) performance, keeping teams in sync and workflows on track to maximise throughput. Simultaneously our computer vision and AI capabilities capture real-time data and detect surgical events improving quality of data outputs. The result: ORs are optimised like never before with predictive analytics and automated notifications ensuring patients and staff are in the right place at the right time. Once practitioners are in the OR, our Surgical Suite enables real-time remote access and creates a secure video record of every procedure; improving training, education, and collaboration. It is an intuitive asset which helps instil a culture of continuous learning, accelerates the ...
        Proximie is on a mission to improve healthcare by transforming the worlds operating rooms into connected ecosystems of people, devices, and data. Our Intelligence Suite transforms operating room (OR) performance, keeping teams in sync and workflows on track to maximise throughput. Simultaneously our computer vision and AI capabilities capture real-time data and detect surgical events improving quality of data outputs. The result: ORs are optimised like never before with predictive analytics and automated notifications ensuring patients and staff are in the right place at the right time. Once practitioners are in the OR, our Surgical Suite enables real-time remote access and creates a secure video record of every procedure; improving training, education, and collaboration. It is an intuitive asset which helps instil a culture of continuous learning, accelerates the ...
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        The Labs team at Rapid7 is seeking an engineer to support and evolve core research platforms like AttackerKB, Project Sonar, and Project Lorelei, which power internet telemetry and attacker trend analysis. In this highly collaborative role, youll work closely with security researchers and fellow engineers to build scalable, cloud-native systems using technologies like Go, Python, AWS, Kubernetes, and Airflow. Ideal candidates bring strong communication skills, experience in modern software development, and a passion for advancing cybersecurity research infrastructure. About the team - The Labs team, part of Rapid7s Security Sciences practice, is composed of both engineers and security researchers. Our engineering team's overall goal is to build world-class research and security data platforms to power security research and integrations with customer-facing products.
        The Labs team at Rapid7 is seeking an engineer to support and evolve core research platforms like AttackerKB, Project Sonar, and Project Lorelei, which power internet telemetry and attacker trend analysis. In this highly collaborative role, youll work closely with security researchers and fellow engineers to build scalable, cloud-native systems using technologies like Go, Python, AWS, Kubernetes, and Airflow. Ideal candidates bring strong communication skills, experience in modern software development, and a passion for advancing cybersecurity research infrastructure. About the team - The Labs team, part of Rapid7s Security Sciences practice, is composed of both engineers and security researchers. Our engineering team's overall goal is to build world-class research and security data platforms to power security research and integrations with customer-facing products.
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        Were Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work around the globe, supporting the needs of citizens and those that serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration. As a company, were passionate about what we do and the citizens we help to serve. If you too would like to help champion the use of technology in public services, to improve outcomes for citizens and public sector organisations, then Civica is the right place for you.
        Were Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work around the globe, supporting the needs of citizens and those that serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration. As a company, were passionate about what we do and the citizens we help to serve. If you too would like to help champion the use of technology in public services, to improve outcomes for citizens and public sector organisations, then Civica is the right place for you.
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        About Wahed: The global financial system wasn't built for everyone. For millions of people, its reliance on interest (riba) creates a barrier to managing money and building wealth without compromising their values. At Wahed, we're changing that. We are a global fintech company on a mission to build a new financial systemone that is ethical, accessible, and entirely interest-free. From our offices across the globe, our team is building products that were once deemed impossible, from pioneering Shariah-compliant equity ETFs, creating true riba-free alternatives to high yield savings accounts, to creating no-leverage real estate investments for truly interest-free income producing assets. If you're driven to solve complex problems and believe finance should empower, not exclude, join us in building a more equitable financial future.
        About Wahed: The global financial system wasn't built for everyone. For millions of people, its reliance on interest (riba) creates a barrier to managing money and building wealth without compromising their values. At Wahed, we're changing that. We are a global fintech company on a mission to build a new financial systemone that is ethical, accessible, and entirely interest-free. From our offices across the globe, our team is building products that were once deemed impossible, from pioneering Shariah-compliant equity ETFs, creating true riba-free alternatives to high yield savings accounts, to creating no-leverage real estate investments for truly interest-free income producing assets. If you're driven to solve complex problems and believe finance should empower, not exclude, join us in building a more equitable financial future.
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        At Loan.co.uk, we believe in better join us and help us make lending smarter, simpler, and better. As our Commercial Product Delivery Manager , youll act as a business partner to our technology, operations, and client-facing teams. Your mission? To deliver platform enhancements and process improvements that create real commercial impact and make life easier for our customers and colleagues. Youll bring together project management discipline, process innovation, product delivery know-how, and UX awareness to prioritise what matters most, drive execution, and share outcomes that count. What Youll Be Doing - Shaping and delivering value * Partner with our client-facing teams to uncover challenges and prioritise initiatives that unlock the most value, fastest. * Define clear goals, success measures, and acceptance criteria to keep projects focused and impactful.
        At Loan.co.uk, we believe in better join us and help us make lending smarter, simpler, and better. As our Commercial Product Delivery Manager , youll act as a business partner to our technology, operations, and client-facing teams. Your mission? To deliver platform enhancements and process improvements that create real commercial impact and make life easier for our customers and colleagues. Youll bring together project management discipline, process innovation, product delivery know-how, and UX awareness to prioritise what matters most, drive execution, and share outcomes that count. What Youll Be Doing - Shaping and delivering value * Partner with our client-facing teams to uncover challenges and prioritise initiatives that unlock the most value, fastest. * Define clear goals, success measures, and acceptance criteria to keep projects focused and impactful.
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        Company Description - insightsoftware is a global provider of reporting, analytics, and performance management solutions that unlock the potential of business data and transform the way finance and data teams operate. We empower leaders from over 32,000 organizations to make timely and intelligent decisions. Our comprehensive solutions span Financial Planning and Analysis (FP&A), Controllership, and Data and Analytics. We deliver finance teams the insights required to navigate any economic climate and drive greater financial intelligence, while increasing productivity, visibility, accuracy, and compliance. Job Description - In this role you will own the design and delivery of Business Intelligence solutions for our customers. We are looking for a candidate with proven Business Intelligence technical skills, a good understanding of business processes and the ability to
        Company Description - insightsoftware is a global provider of reporting, analytics, and performance management solutions that unlock the potential of business data and transform the way finance and data teams operate. We empower leaders from over 32,000 organizations to make timely and intelligent decisions. Our comprehensive solutions span Financial Planning and Analysis (FP&A), Controllership, and Data and Analytics. We deliver finance teams the insights required to navigate any economic climate and drive greater financial intelligence, while increasing productivity, visibility, accuracy, and compliance. Job Description - In this role you will own the design and delivery of Business Intelligence solutions for our customers. We are looking for a candidate with proven Business Intelligence technical skills, a good understanding of business processes and the ability to
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        Job description - Be part of the force's expanding Information Services team - Nottinghamshire Police has recently invested in its Information Services team, its people and the structure. We provide technologies and IT services that directly impact operational policing. From the software that frontline officers require to be able to make decisions on the street, big data and analytics, 999/101 Control Room services, technologies that support digital investigations and everything in between! Information Services is at the heart of it all! Were on the hunt for a passionate Junior Application Developer to join our growing team of innovators. If you thrive on solving real-world problems, love working across the full stack, and want to build scalable, enterprise-grade applications using the latest Microsoft technologies this is your moment.
        Job description - Be part of the force's expanding Information Services team - Nottinghamshire Police has recently invested in its Information Services team, its people and the structure. We provide technologies and IT services that directly impact operational policing. From the software that frontline officers require to be able to make decisions on the street, big data and analytics, 999/101 Control Room services, technologies that support digital investigations and everything in between! Information Services is at the heart of it all! Were on the hunt for a passionate Junior Application Developer to join our growing team of innovators. If you thrive on solving real-world problems, love working across the full stack, and want to build scalable, enterprise-grade applications using the latest Microsoft technologies this is your moment.
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        Rapha launched in 2004 to redefine cycling apparel. Today progressive design and storytelling has built a global movement. We love cycling in all its forms, from the city streets to the highest peaks. And we know its power to transform lives. Led by innovation, we embody this love through a dedication to the world's greatest sport, by setting a new standard in design and pushing the cutting edge of performance and human craft. The Role - Were looking for a Business Analyst (BA) on a 12 month fixed term contract to join our Technology team and help bridge the gap between business needs and technical implementation. Youll work closely with Product Managers, Engineers, Designers, and key stakeholders across the business to understand challenges, capture requirements, and translate them into actionable solutions that deliver value.
        Rapha launched in 2004 to redefine cycling apparel. Today progressive design and storytelling has built a global movement. We love cycling in all its forms, from the city streets to the highest peaks. And we know its power to transform lives. Led by innovation, we embody this love through a dedication to the world's greatest sport, by setting a new standard in design and pushing the cutting edge of performance and human craft. The Role - Were looking for a Business Analyst (BA) on a 12 month fixed term contract to join our Technology team and help bridge the gap between business needs and technical implementation. Youll work closely with Product Managers, Engineers, Designers, and key stakeholders across the business to understand challenges, capture requirements, and translate them into actionable solutions that deliver value.
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        We are looking for an AI Engineer to join nPlan's Engineering team. We work with complex graph data (each with 10,000+ nodes), applying multiple ML and LLM approaches to understanding the data, extracting meaningful insights from it using a proprietary forecasting engine, and empowering deep human interactions - all of which must work efficiently and robustly in production. As a startup, we also keep agile in a fast-moving environment! With this technology, nPlan are creating first-of-its-kind products, that can significantly improve the planning and delivery of major construction projects. So if you want your work to make a real difference to the world around you, then we would love to tell you more about this role at nPlan - This is a new role, which will work closely with * the team's existing backend and frontend engineers (helping harden shared best practice for
        We are looking for an AI Engineer to join nPlan's Engineering team. We work with complex graph data (each with 10,000+ nodes), applying multiple ML and LLM approaches to understanding the data, extracting meaningful insights from it using a proprietary forecasting engine, and empowering deep human interactions - all of which must work efficiently and robustly in production. As a startup, we also keep agile in a fast-moving environment! With this technology, nPlan are creating first-of-its-kind products, that can significantly improve the planning and delivery of major construction projects. So if you want your work to make a real difference to the world around you, then we would love to tell you more about this role at nPlan - This is a new role, which will work closely with * the team's existing backend and frontend engineers (helping harden shared best practice for
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        Web App Test Engineer - The individual will work within the Test and Approvals department located at the DSE office Mansfield. They will perform verification and validation activities at a product and system level on new product developments as an integral part of ensuring high-quality and cyber-secure products are built by the company. Full training and support will be provided. * A good level of understanding of testing types, testing methodologies and software product development lifecycles * Principles of cryptography for data confidentiality and authentication, including digital certificates, and how to validate these in test scenarios * Understanding of penetration testing methodologies, and how to translate them into negative and automated test cases * Web and/or mobile application test technologies and practices, including test automation
        Web App Test Engineer - The individual will work within the Test and Approvals department located at the DSE office Mansfield. They will perform verification and validation activities at a product and system level on new product developments as an integral part of ensuring high-quality and cyber-secure products are built by the company. Full training and support will be provided. * A good level of understanding of testing types, testing methodologies and software product development lifecycles * Principles of cryptography for data confidentiality and authentication, including digital certificates, and how to validate these in test scenarios * Understanding of penetration testing methodologies, and how to translate them into negative and automated test cases * Web and/or mobile application test technologies and practices, including test automation
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        T itle: Senior Software Engineer (Delphi & C#) Department: Procode IT - Location: Hybrid remote & Chandlers Ford - Salary: Circa £55,878 + up to 15% discretionary bonus - Are you an established Senior Software Engineer with recent Delphi and C# experience? If so, this could be the role for you. About us - We are a dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve customer experience and lower their cost to serve, using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver great solutions for customers? Then we have an exciting opportunity as a Senior Software Engineer, where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be.
        T itle: Senior Software Engineer (Delphi & C#) Department: Procode IT - Location: Hybrid remote & Chandlers Ford - Salary: Circa £55,878 + up to 15% discretionary bonus - Are you an established Senior Software Engineer with recent Delphi and C# experience? If so, this could be the role for you. About us - We are a dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve customer experience and lower their cost to serve, using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver great solutions for customers? Then we have an exciting opportunity as a Senior Software Engineer, where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be.
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        As a Technical Support Team Lead at Rapid7, youll lead a team of Technical Support Engineers who help customers resolve complex technical issues. Youll combine hands-on problem-solving with coaching and operational oversight to deliver a world-class support experience in our EMEA region. This is a hybrid role based at our Belfast office. About the Team - The EMEA Technical Support team plays a key role in ensuring our customers receive world-class support as they adopt and scale Rapid7s security products. We are a tight-knit, collaborative group that takes pride in our ability to solve complex problems, support each others development, and consistently deliver excellent service. About the Role - As a Technical Support Team Lead, your primary responsibility will be to drive day-to-day operational excellence, support team growth, and foster a culture of ownership and co
        As a Technical Support Team Lead at Rapid7, youll lead a team of Technical Support Engineers who help customers resolve complex technical issues. Youll combine hands-on problem-solving with coaching and operational oversight to deliver a world-class support experience in our EMEA region. This is a hybrid role based at our Belfast office. About the Team - The EMEA Technical Support team plays a key role in ensuring our customers receive world-class support as they adopt and scale Rapid7s security products. We are a tight-knit, collaborative group that takes pride in our ability to solve complex problems, support each others development, and consistently deliver excellent service. About the Role - As a Technical Support Team Lead, your primary responsibility will be to drive day-to-day operational excellence, support team growth, and foster a culture of ownership and co
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        As a Staff Software Engineer, youll be driving and proposing strategies around complex and unique technical problems affecting our core platform and business needs. You'll be instrumental in communicating technical standards and gaining buy-in on solutions across engineering teams. By serving as an expert and owner in multiple areas of the codebase, you will successfully deliver the architecture and execution of major platform components from conception to release. About the Team - Our Platform Foundations team is responsible for building and maintaining the robust, scalable, and resilient infrastructure that underpins all of our products and services. We provide the essential building blocks, services, and tooling that empower development teams across the organisation to deliver high-quality, high-performance solutions to our customers.
        As a Staff Software Engineer, youll be driving and proposing strategies around complex and unique technical problems affecting our core platform and business needs. You'll be instrumental in communicating technical standards and gaining buy-in on solutions across engineering teams. By serving as an expert and owner in multiple areas of the codebase, you will successfully deliver the architecture and execution of major platform components from conception to release. About the Team - Our Platform Foundations team is responsible for building and maintaining the robust, scalable, and resilient infrastructure that underpins all of our products and services. We provide the essential building blocks, services, and tooling that empower development teams across the organisation to deliver high-quality, high-performance solutions to our customers.
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        Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
        Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
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        NEW
        You are a collaborative Software Engineer with proven professional experience in Javascript/Typescript , React , and Node.JS , you possess a strong understanding of API design, consumption, and client-side logic.
        You are a collaborative Software Engineer with proven professional experience in Javascript/Typescript , React , and Node.JS , you possess a strong understanding of API design, consumption, and client-side logic.
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        NEW
        You will be allocated to a product team working on specific applications, which could include assets and metering products, API's, JSON and REST, new cloud microservices developments - there's a lot here to keep you busy. C#, .NET Framework, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure
        You will be allocated to a product team working on specific applications, which could include assets and metering products, API's, JSON and REST, new cloud microservices developments - there's a lot here to keep you busy. C#, .NET Framework, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure
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        Work with practice-specific technologies and modern testing approaches (e.g., automated UI/API testing, performance testing, CI/CD integration) to continually raise the bar for quality.
        Work with practice-specific technologies and modern testing approaches (e.g., automated UI/API testing, performance testing, CI/CD integration) to continually raise the bar for quality.
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        Frequently Asked Questions

        How many contract API jobs are there in Hertford?
        There are 22 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, Product Management, amongst many others.