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Locations
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Date posted
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- The City, City (EC4)
- Southwark
- Ireland
- The City, City (EC2)
- The City, City (EC3)
- Campden Hill
- Euston
- Fishery
- Kennington
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- Oxford
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42 API jobs in Clewer St. Stephen + 20 miles
343 exact matches jobs are outside your preferred location
Engineering London, United Kingdom - Apply - Description - Position at RetailMeNot - The Opportunity - We're looking for a Test Engineer to work as part of our Engineering team in London. You will be joining a team of 25+ engineers in the UK across web, mobile and data, within a global team of 50+ engineers. As a Test Engineer you will be ensuring features are tested in an automated fashion to ensure maximum coverage to give our users the best possible experience. You know how testing fits within an agile environment and have an excellent attention to detail and are passionate about quality. Your role will form part of our full stack agile teams collaborating with Product, UI and Backend engineers. * Maintaining and developing automated test suites, aiming for constant improvement * Preventing bugs and issues by thinking of relevant scenarios that can help meet the va
Engineering London, United Kingdom - Apply - Description - Position at RetailMeNot - The Opportunity - We're looking for a Test Engineer to work as part of our Engineering team in London. You will be joining a team of 25+ engineers in the UK across web, mobile and data, within a global team of 50+ engineers. As a Test Engineer you will be ensuring features are tested in an automated fashion to ensure maximum coverage to give our users the best possible experience. You know how testing fits within an agile environment and have an excellent attention to detail and are passionate about quality. Your role will form part of our full stack agile teams collaborating with Product, UI and Backend engineers. * Maintaining and developing automated test suites, aiming for constant improvement * Preventing bugs and issues by thinking of relevant scenarios that can help meet the va
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
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
REST API design
REST API design
REST API design
REST API design
Full Stack Lead Developer with Dot NET CORE & Angular 16 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Contract Employee ( 4 days work from Office in London)
Full Stack Lead Developer with Dot NET CORE & Angular 16 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Contract Employee ( 4 days work from Office in London)
WNS Global Services Ltd
London
Competitive
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
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Full Stack Lead Developer with Dot NET CORE & Angular 12 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Direct Contract ( 4 days work from Office in London)
Full Stack Lead Developer with Dot NET CORE & Angular 12 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Direct Contract ( 4 days work from Office in London)
WNS Global Services Ltd
London
Competitive
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
NEW
Experience and knowledge of API testing and the use of Postman
Experience and knowledge of API testing and the use of Postman
NEW
We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
Web API Services
Web API Services
NEW
Understanding and/or experience in managing API-based software businesses
Understanding and/or experience in managing API-based software businesses
Strong API development and database experience (Postgres/Oracle + SQL).
Strong API development and database experience (Postgres/Oracle + SQL).
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
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Programming Languages Proficient in Programming languages like .NET 8, ASP.NET Core, Web API, .NET Framework C#.NET, WPF, JavaScript, JQuery, Ajax, HTML, SQL, Visual Fox Pro
Programming Languages Proficient in Programming languages like .NET 8, ASP.NET Core, Web API, .NET Framework C#.NET, WPF, JavaScript, JQuery, Ajax, HTML, SQL, Visual Fox Pro
Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
API and SDK development
API and SDK development
Responsibilities include understanding the client's world and use cases, managing requirements, platform training and configuration, dashboard creation, API enablement, partner workspace management (Newsletters, Reports), and troubleshooting. * Configure and optimise the Signal platform (dashboards, newsletters, reports, partner workspaces, API setups).
Responsibilities include understanding the client's world and use cases, managing requirements, platform training and configuration, dashboard creation, API enablement, partner workspace management (Newsletters, Reports), and troubleshooting. * Configure and optimise the Signal platform (dashboards, newsletters, reports, partner workspaces, API setups).
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.
NEW
Understanding of REST API design
Understanding of REST API design
Securing and managing APIs using API Manager. * Managing the API development lifecycle from design to governance and management.
Securing and managing APIs using API Manager. * Managing the API development lifecycle from design to governance and management.
Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
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Deploy and operate services on Azure (AKS/ACI/Azure Functions, API Management). * Strong in Python, API design, asynchronous programming, and integration patterns. * Production deployments on Azure (AKS, ACI, Functions, API Management) ; solid understanding of cloud platforms and data infrastructure * Experience in asynchronous programming, API design, and integration patterns .
Deploy and operate services on Azure (AKS/ACI/Azure Functions, API Management). * Strong in Python, API design, asynchronous programming, and integration patterns. * Production deployments on Azure (AKS, ACI, Functions, API Management) ; solid understanding of cloud platforms and data infrastructure * Experience in asynchronous programming, API design, and integration patterns .
Related Jobs
Locations
- The City, City (EC4)
- Southwark
- Ireland
- The City, City (EC2)
- The City, City (EC3)
- Campden Hill
- Euston
- Fishery
- Kennington
- Mayfair
- City of London
- Reading
- South East London
- Central London
- West End
- Milton Keynes
- Abingdon
- Oxford
- Southampton
- South West London
- London
- Berkshire
- Hampshire
- Oxfordshire
- Buckinghamshire
- Surrey
- Bedfordshire
- Hertfordshire
- Northamptonshire
- Kent
- South East
- East Midlands
- Midlands
- South West