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13 Permanent API jobs in Business Venture (MK11) + 20 miles
325 exact matches jobs are outside your preferred location
Were a specialist financial technology company transforming B2B credit (website) * Were backed by top European and American VCs including Dawn Capital, Octopus Ventures, Talis and Expa * Founded in 2020, we are licensed and operating across the UK, Europe, US and Canada with offices in London, New York and Dallas * Since our commercial launch in March 2022, we are already serving some of the worlds largest companies, providing them with superior credit protection and innovative risk management technology - Were looking for a Senior Engineer with great general skills to join our first-class technical team. An ideal candidate thrives on solving complex problems and is eager to shape how we build and apply AI and large language models within our products. Youll be deeply involved in technical decisions, architecture and best practices, while contributing directly to the
Were a specialist financial technology company transforming B2B credit (website) * Were backed by top European and American VCs including Dawn Capital, Octopus Ventures, Talis and Expa * Founded in 2020, we are licensed and operating across the UK, Europe, US and Canada with offices in London, New York and Dallas * Since our commercial launch in March 2022, we are already serving some of the worlds largest companies, providing them with superior credit protection and innovative risk management technology - Were looking for a Senior Engineer with great general skills to join our first-class technical team. An ideal candidate thrives on solving complex problems and is eager to shape how we build and apply AI and large language models within our products. Youll be deeply involved in technical decisions, architecture and best practices, while contributing directly to the
About Workato - Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline operations by connecting data, processes, applications, and experiences. Its AI-powered platform enables teams to navigate complex workflows in real-time, driving efficiency and agility. Trusted by a community of 400,000 global customers, Workato empowers organizations of every size to unlock new value and lead in today's fast-changing world. Why join us? Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles . We are driven by innovation and looking for team players who want to actively build our company. But, we also believe in balancing productivity with self-care .
About Workato - Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline operations by connecting data, processes, applications, and experiences. Its AI-powered platform enables teams to navigate complex workflows in real-time, driving efficiency and agility. Trusted by a community of 400,000 global customers, Workato empowers organizations of every size to unlock new value and lead in today's fast-changing world. Why join us? Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles . We are driven by innovation and looking for team players who want to actively build our company. But, we also believe in balancing productivity with self-care .
This is a technical role within the Telegraph Data team. Working closely with a cross functional team of Data Engineers, Analysts and Scientists, youll be an integral part of the Data Engineering chapter - driving evolution of the data architecture, and optimising business processes. Additionally, alongside senior members, youll take part in shaping the team across aspects such as technology and product. Youll be part of the team that heads development of data platforms, with reliability, scalability and performance in mind. Along with other members of the Data Engineering team, you will help to enable real-time streaming capabilities. Youll be working with the wider business in order to improve the development of data processing procedures, database structures and of performance to meet business requirements.
This is a technical role within the Telegraph Data team. Working closely with a cross functional team of Data Engineers, Analysts and Scientists, youll be an integral part of the Data Engineering chapter - driving evolution of the data architecture, and optimising business processes. Additionally, alongside senior members, youll take part in shaping the team across aspects such as technology and product. Youll be part of the team that heads development of data platforms, with reliability, scalability and performance in mind. Along with other members of the Data Engineering team, you will help to enable real-time streaming capabilities. Youll be working with the wider business in order to improve the development of data processing procedures, database structures and of performance to meet business requirements.
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
IPC is a fintech company that focuses on the human element. With a global presence, we support local markets with our advanced cloud-based trading communications and managed connectivity solutions. Through our portfolio of communications and connectivity solutions, we focus on solving business challenges and adapting to regulatory changes in the fast-paced global financial markets. This enables our clients to maintain consistent market access, a strong competitive advantage, and enhanced operational efficiency. Join a team that is dedicated to delivering groundbreaking products and making a significant impact on our clients' success. TITLE: VP, Product Management - DEPARTMENT: Product - REPORTING TO: Chief Product Officer - OFFICE LOCATION: New York or London - ROLE TYPE: Hybrid, Full-time - Overview of the Team
IPC is a fintech company that focuses on the human element. With a global presence, we support local markets with our advanced cloud-based trading communications and managed connectivity solutions. Through our portfolio of communications and connectivity solutions, we focus on solving business challenges and adapting to regulatory changes in the fast-paced global financial markets. This enables our clients to maintain consistent market access, a strong competitive advantage, and enhanced operational efficiency. Join a team that is dedicated to delivering groundbreaking products and making a significant impact on our clients' success. TITLE: VP, Product Management - DEPARTMENT: Product - REPORTING TO: Chief Product Officer - OFFICE LOCATION: New York or London - ROLE TYPE: Hybrid, Full-time - Overview of the Team
Who are Heidi? Heidi is on a mission to halve the time it takes to deliver world-class care. We believe that by 2050, every clinician will practice with AI systems that free them from administrative burdens and increase the quality and accessibility of care to patients across the world. Built for clinicians, by clinicians, at the core of Heidi is its people. We are an eclectic bunch of inventors, builders, scientists, nurses, doctors, mathematicians, designers, creatives, and high-agency executors. We achieve in 6 months what it takes our competitors 4 years to do. In just 12 months, 20 million patient consults were supported by Heidi, and were now powering more than 1 million consults every week. With our most recent $16.6MM round of funding from leading VC firms, were geared up to supercharge our ambitious global growth, starting with the US, Canada, UK and Europe -
Who are Heidi? Heidi is on a mission to halve the time it takes to deliver world-class care. We believe that by 2050, every clinician will practice with AI systems that free them from administrative burdens and increase the quality and accessibility of care to patients across the world. Built for clinicians, by clinicians, at the core of Heidi is its people. We are an eclectic bunch of inventors, builders, scientists, nurses, doctors, mathematicians, designers, creatives, and high-agency executors. We achieve in 6 months what it takes our competitors 4 years to do. In just 12 months, 20 million patient consults were supported by Heidi, and were now powering more than 1 million consults every week. With our most recent $16.6MM round of funding from leading VC firms, were geared up to supercharge our ambitious global growth, starting with the US, Canada, UK and Europe -
We're proud to announce we've won Advice firm of the year at the Money Marketing Awards - We're looking for a Data Science Tech Lead to help us build the scalable data models, technology and insights needed to transform millions of lives, by making high quality money advice affordable and accessible. This is an ideal opportunity for an ambitious self-starter to accelerate your development in a broad and varied role within a rapidly growing company. About Octopus Money - At Octopus Money, we're on a mission to make money advice accessible to all because the right advice can turn your life dreams into reality. The facts are alarming: half of Brits reach retirement age without enough money to live the life they want, financial stress is a leading cause of poor mental health and only 8% of us have access to 1-to-1 advice.
We're proud to announce we've won Advice firm of the year at the Money Marketing Awards - We're looking for a Data Science Tech Lead to help us build the scalable data models, technology and insights needed to transform millions of lives, by making high quality money advice affordable and accessible. This is an ideal opportunity for an ambitious self-starter to accelerate your development in a broad and varied role within a rapidly growing company. About Octopus Money - At Octopus Money, we're on a mission to make money advice accessible to all because the right advice can turn your life dreams into reality. The facts are alarming: half of Brits reach retirement age without enough money to live the life they want, financial stress is a leading cause of poor mental health and only 8% of us have access to 1-to-1 advice.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
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Dynamics 365 Customer Service, Dynamics 365 Web API
Dynamics 365 Customer Service, Dynamics 365 Web API
Conduct UI and API testing.
Conduct UI and API testing.
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
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The Vonage Messages API team is looking at expanding its size, in order to accelerate our platform development to support our growing customer base, with a particular focus on adding the support for new channels to our next-generation messaging platform.
The Vonage Messages API team is looking at expanding its size, in order to accelerate our platform development to support our growing customer base, with a particular focus on adding the support for new channels to our next-generation messaging platform.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
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Conduct UI and API testing.
Conduct UI and API testing.
Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
Familiarity with Entity Framework Core, asynchronous programming, and API design.
Familiarity with Entity Framework Core, asynchronous programming, and API design.
Our core technology is a proprietary suite of real-time indicators and predictive analytics available via web application, custom dashboards and API. * Understand the importance of design best practices, provide effective translation to code artifacts and implement appropriate integration approach for API/data layer.
Our core technology is a proprietary suite of real-time indicators and predictive analytics available via web application, custom dashboards and API. * Understand the importance of design best practices, provide effective translation to code artifacts and implement appropriate integration approach for API/data layer.
Senior Back End Developer .NET - Fintech Remote - Senior Back End Developer .NET wanted as our team is growing fast! Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm! Company: Wealth Dynamix - Role: Senior Back End Developer .NET - Location: London - Start Date: ASAP - Would you like to join one of the fastest growing FinTech firms in Europe? We are looking for an analytical self-starter with experience in Dotnet (.NET) software development. If you are passionate about digital transformation and keen to learn about delivering the market leading Client Lifecycle Managing solution to the Wealth Management industry, apply now! Who are we? * Wealth Dynamix helps to relieve the burden of client management issues for wealth management and private banking firms with innovative technology.
Senior Back End Developer .NET - Fintech Remote - Senior Back End Developer .NET wanted as our team is growing fast! Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm! Company: Wealth Dynamix - Role: Senior Back End Developer .NET - Location: London - Start Date: ASAP - Would you like to join one of the fastest growing FinTech firms in Europe? We are looking for an analytical self-starter with experience in Dotnet (.NET) software development. If you are passionate about digital transformation and keen to learn about delivering the market leading Client Lifecycle Managing solution to the Wealth Management industry, apply now! Who are we? * Wealth Dynamix helps to relieve the burden of client management issues for wealth management and private banking firms with innovative technology.
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
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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APIs: Implement API security best practices (rate limiting, authentication, input validation)
APIs: Implement API security best practices (rate limiting, authentication, input validation)
Manager Data Engineering
Manager Data Engineering
LEXISNEXIS RISK SOLUTIONS UK LIMITED T/a LexisNexis Risk Solutions Group
London
Competitive
Experience with API design, integration, and management.
Experience with API design, integration, and management.
Familiarity with API integrations, data security, and reporting frameworks
Familiarity with API integrations, data security, and reporting frameworks
Modern tech stack experience - Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST).
Modern tech stack experience - Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST).
Related Jobs
Locations
- Birmingham Business Park
- The City, City (EC4)
- Charing Cross
- Datchet Common
- Euston
- Southwark
- The City, City (EC2)
- The City, City (EC3)
- Canary Wharf
- Mayfair
- City of London
- Birmingham
- Reading
- Central London
- West End
- Cambridge
- Northampton
- South East London
- East London
- Milton Keynes
- London
- Berkshire
- West Midlands
- Northamptonshire
- Cambridgeshire
- Oxfordshire
- Buckinghamshire
- Bedfordshire
- Gloucestershire
- Warwickshire
- South East
- Midlands
- East Midlands
- East Anglia
- South West