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42 Permanent API jobs in South East + 20 miles
FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes.
FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes.
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Role Summary - LSEGs ambition is to be one of the worlds greatest companies and best places to work. To achieve this, we are on a journey of building a world class engineering function supporting our Customer Data Master (CDM) Platform team. The team has embarked on a journey to provide internal teams and platform teams with a fully managed customer data master platform. The role will take part in the definition of the CDM strategy and execution of the CDM engineering strategy and deliver the technology capability, in line with the Corporate Engineering (CE) strategy which includes evolving our current master data capability. What youll be doing * Lead a senior engineering team (5 growing to ~10 across Reltio and data integration) to design, build and run the Customer MDM platform as a durable product with clear ownership.
Role Summary - LSEGs ambition is to be one of the worlds greatest companies and best places to work. To achieve this, we are on a journey of building a world class engineering function supporting our Customer Data Master (CDM) Platform team. The team has embarked on a journey to provide internal teams and platform teams with a fully managed customer data master platform. The role will take part in the definition of the CDM strategy and execution of the CDM engineering strategy and deliver the technology capability, in line with the Corporate Engineering (CE) strategy which includes evolving our current master data capability. What youll be doing * Lead a senior engineering team (5 growing to ~10 across Reltio and data integration) to design, build and run the Customer MDM platform as a durable product with clear ownership.
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Are you an Engineer with a background in C++? Are you a Software Engineer looking for a new challenge or to join global multi billion dollar company? If so I'd like to speak with you! An exciting opportunity has arisen for a Software Developer - C++ based in Isle of Wight to join a market leading technology organisation. Due to continued growth they are seeking a Software Developer - C++ in their Isle of Wight office to be responsible for research, design, implementation and testing of software products and solutions. The Software Developer C++ will directly report to the Software Engineer Manager. * Develop easy-to-use web applications * Control automated testing, and manage their deployments * Collaborate with front-end and back-end teams to ensure front-end design integrate with the back-end systems * Writing front-end code * Rewrite front-end web pages
Are you an Engineer with a background in C++? Are you a Software Engineer looking for a new challenge or to join global multi billion dollar company? If so I'd like to speak with you! An exciting opportunity has arisen for a Software Developer - C++ based in Isle of Wight to join a market leading technology organisation. Due to continued growth they are seeking a Software Developer - C++ in their Isle of Wight office to be responsible for research, design, implementation and testing of software products and solutions. The Software Developer C++ will directly report to the Software Engineer Manager. * Develop easy-to-use web applications * Control automated testing, and manage their deployments * Collaborate with front-end and back-end teams to ensure front-end design integrate with the back-end systems * Writing front-end code * Rewrite front-end web pages
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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
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Familiarity with TEMA and relevant API and ASME codes and standards
Familiarity with TEMA and relevant API and ASME codes and standards
Familiarity with relevant API and ASME codes and standards
Familiarity with relevant API and ASME codes and standards
Familiarity with the following codes : API (610-619 Pumps / Compressors / Turbines ) ISO and ASME
Familiarity with the following codes : API (610-619 Pumps / Compressors / Turbines ) ISO and ASME
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
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Experience with API-first platforms and optimizing front-end systems that consume complex API data.
Experience with API-first platforms and optimizing front-end systems that consume complex API data.
At the time of inception, cloud-based systems and API fluency were new.
At the time of inception, cloud-based systems and API fluency were new.
Join Our Journey in Transforming Data into Insights - At CluedIn, we're reshaping the future of data management with an Azure-native, graph-based Modern Master Data Management (MDM) platform that simplifies and accelerates how businesses manage their datamaking it faster, smarter, and more accessible. Trusted by global industry leaders, our technology enables organisations to unlock the full value of their data and drive meaningful transformation. As Microsoft's preferred MDM partner and the first solution integrated with Azure OpenAI, we're setting new standards for innovation in this space. Backed by five-star reviews on Gartner Peer Insights and seamless integration with Microsoft's data services, CluedIn delivers powerful, scalable solutions built for the enterprise. Our team's expertise, passion, and bold ideas drive our innovation.
Join Our Journey in Transforming Data into Insights - At CluedIn, we're reshaping the future of data management with an Azure-native, graph-based Modern Master Data Management (MDM) platform that simplifies and accelerates how businesses manage their datamaking it faster, smarter, and more accessible. Trusted by global industry leaders, our technology enables organisations to unlock the full value of their data and drive meaningful transformation. As Microsoft's preferred MDM partner and the first solution integrated with Azure OpenAI, we're setting new standards for innovation in this space. Backed by five-star reviews on Gartner Peer Insights and seamless integration with Microsoft's data services, CluedIn delivers powerful, scalable solutions built for the enterprise. Our team's expertise, passion, and bold ideas drive our innovation.
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About ElevenLabs - ElevenLabs is a research and product company defining the frontier of audio AI. Millions of people use our technology to read articles, voice over videos, and restore voices lost to disability. Leading developers and enterprises worldwide use ElevenLabs to build intelligent agents for support, sales, and education. We launched in January 2023 with the first AI model to cross the threshold of human-like speech. In January 2025, we raised a $180 million Series C round, valuing the company at $3.3 billion. By September 2025, that valuation doubled to $6.6 billion as we surpassed $200 million ARR in under three years. Our mission is to build the most important audio AI platform in the world, solve AI audio intelligence, and make information accessible in any voice, language, or sound.
About ElevenLabs - ElevenLabs is a research and product company defining the frontier of audio AI. Millions of people use our technology to read articles, voice over videos, and restore voices lost to disability. Leading developers and enterprises worldwide use ElevenLabs to build intelligent agents for support, sales, and education. We launched in January 2023 with the first AI model to cross the threshold of human-like speech. In January 2025, we raised a $180 million Series C round, valuing the company at $3.3 billion. By September 2025, that valuation doubled to $6.6 billion as we surpassed $200 million ARR in under three years. Our mission is to build the most important audio AI platform in the world, solve AI audio intelligence, and make information accessible in any voice, language, or sound.
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About the Opportunity - Join Contentfuls AI Platform team as a Senior Engineering Manager - AI Platform (f/m/d) and play a pivotal role in shaping the next generation of AI-powered, developer-friendly platform capabilities. Our AI Platform teams are building the trusted foundation that enables Contentful and our customers to confidently deliver AI-enabled experiences. * Empowering customers and internal teams to build accurate, trustworthy, and governed agentic solutions that are easy and intuitive to adopt. * Providing enterprise-ready access to LLMs that enables product teams across Contentful to deliver secure, scalable, and reliable AI-powered features. This is an excellent opportunity for a technical manager who thrives at the intersection of product development, platform engineering, and cross-functional collaboration.
About the Opportunity - Join Contentfuls AI Platform team as a Senior Engineering Manager - AI Platform (f/m/d) and play a pivotal role in shaping the next generation of AI-powered, developer-friendly platform capabilities. Our AI Platform teams are building the trusted foundation that enables Contentful and our customers to confidently deliver AI-enabled experiences. * Empowering customers and internal teams to build accurate, trustworthy, and governed agentic solutions that are easy and intuitive to adopt. * Providing enterprise-ready access to LLMs that enables product teams across Contentful to deliver secure, scalable, and reliable AI-powered features. This is an excellent opportunity for a technical manager who thrives at the intersection of product development, platform engineering, and cross-functional collaboration.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
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Frontend and API testing,
Frontend and API testing,
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4 exact matches jobs are outside your preferred location
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API testing (Postman, Rest-Assured).
API testing (Postman, Rest-Assured).
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About Teramind - Teramind is the leading platform for user behavior analytics, serving multiple use cases from insider risk mitigation to business process optimization. With our comprehensive suite of solutions, organizations gain unprecedented visibility into user activities while enhancing security, optimizing productivity, and ensuring compliance. Trusted by Fortune 500 companies and businesses of all sizes across industries, our innovative platform helps organizations protect sensitive data, maximize workforce performance, and create safer, more efficient digital workplaces. Through real-time monitoring and advanced analytics, we enable businesses to safeguard their most sensitive information while optimizing employee productivity in both in-office and remote work environments. Our Core Values - At Teramind, our values drive everything we do.
About Teramind - Teramind is the leading platform for user behavior analytics, serving multiple use cases from insider risk mitigation to business process optimization. With our comprehensive suite of solutions, organizations gain unprecedented visibility into user activities while enhancing security, optimizing productivity, and ensuring compliance. Trusted by Fortune 500 companies and businesses of all sizes across industries, our innovative platform helps organizations protect sensitive data, maximize workforce performance, and create safer, more efficient digital workplaces. Through real-time monitoring and advanced analytics, we enable businesses to safeguard their most sensitive information while optimizing employee productivity in both in-office and remote work environments. Our Core Values - At Teramind, our values drive everything we do.
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Build your future with Sovos. If you're seeking a career where innovation meets impact, you've come to the right place. As a global leader, Sovos is transforming tax compliance from a business requirement to a force for growth while revolutionising how businesses navigate the ever-changing regulatory landscape. At Sovos, we're dedicated to more than just solving compliance challenges we're committed to making a positive and lasting difference in everything we do. Our teams operate on the modern edge of digital technology, working not only to solve complex business challenges but also to enrich our personal, professional, and local communities. Our purpose-built systems provide the tools you need to thrive in a world where governments demand increased visibility, faster reporting and greater control over business processes. Excited about the possibilities? So are we!
Build your future with Sovos. If you're seeking a career where innovation meets impact, you've come to the right place. As a global leader, Sovos is transforming tax compliance from a business requirement to a force for growth while revolutionising how businesses navigate the ever-changing regulatory landscape. At Sovos, we're dedicated to more than just solving compliance challenges we're committed to making a positive and lasting difference in everything we do. Our teams operate on the modern edge of digital technology, working not only to solve complex business challenges but also to enrich our personal, professional, and local communities. Our purpose-built systems provide the tools you need to thrive in a world where governments demand increased visibility, faster reporting and greater control over business processes. Excited about the possibilities? So are we!
RESTful API development
RESTful API development
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