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36 API jobs in Oxfordshire + 20 miles
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Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
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Software Engineering Manager (Hands-on .Net, AWS)
Software Engineering Manager (Hands-on .Net, AWS)
Hays
SL6, Maidenhead
£75000 - £85000 per annum + £75000 - £85000
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
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Application Security (secure coding, API security, SAST/DAST, WAF integration).
Application Security (secure coding, API security, SAST/DAST, WAF integration).
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We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced Experienced JavaScript Developer (Full Stack) to join our Code team, to help build and support internal and external web applications and APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced Experienced JavaScript Developer (Full Stack) to join our Code team, to help build and support internal and external web applications and APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
Company Description - Founded by experienced entrepreneurs and engineers in 2016, Pismo is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo joined Visa in 2024. Leveraging Visas solutions, our core platform, and an expanding suite of capabilities, Pismo addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Pismos cloud-based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards. Pismos 500+ employees are located in more than 10 countries around the wor
Company Description - Founded by experienced entrepreneurs and engineers in 2016, Pismo is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo joined Visa in 2024. Leveraging Visas solutions, our core platform, and an expanding suite of capabilities, Pismo addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Pismos cloud-based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards. Pismos 500+ employees are located in more than 10 countries around the wor
We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
Oxford, GB, OX4 4DQ - Company: Nominet - Were Nominet a world-leading domain name registry operating at the heart of the UK internet. While we're best known for running .UK domains, our DNS expertise also underpins critical internet infrastructure that government services, including the NHS, rely on. As a public benefit company, our work has a positive impact on society. Weve donated millions to projects that use technology to improve peoples lives and have committed to delivering £60m worth of support over the next three years. As the Head of Software Engineering (Registry) at Nominet, you will lead a core technology engineering team to deliver industry leading Registry Systems for the internet.? This is a critical role with responsibility for engineering Nominets main line of business. You will manage a highly skilled team who are experts in Registry Systems and ful
Oxford, GB, OX4 4DQ - Company: Nominet - Were Nominet a world-leading domain name registry operating at the heart of the UK internet. While we're best known for running .UK domains, our DNS expertise also underpins critical internet infrastructure that government services, including the NHS, rely on. As a public benefit company, our work has a positive impact on society. Weve donated millions to projects that use technology to improve peoples lives and have committed to delivering £60m worth of support over the next three years. As the Head of Software Engineering (Registry) at Nominet, you will lead a core technology engineering team to deliver industry leading Registry Systems for the internet.? This is a critical role with responsibility for engineering Nominets main line of business. You will manage a highly skilled team who are experts in Registry Systems and ful
About Ultromics - Picture yourself at one of the world's most innovative companies, providing life-saving AI solutions that can make a real difference in helping to combat one of the world's biggest health burdens. Surrounded by teams and people who challenge you, support you, and inspire you to be extraordinary. Are you ready to join the fight against heart failure? We are redefining Cardiovascular Medicine through transformational AI solutions and work alongside major collaborations such as Mayo Clinic and the NHS England, with one shared ambition, to save lives. Ultromics is a global leader in AI-powered cardiovascular imaging diagnostics, transforming how heart disease is detected, assessed, and managed. Spun out from the University of Oxford, UK and built on a decade of world-leading research, Ultromics is redefining echocardiography with solutions that deliver .
About Ultromics - Picture yourself at one of the world's most innovative companies, providing life-saving AI solutions that can make a real difference in helping to combat one of the world's biggest health burdens. Surrounded by teams and people who challenge you, support you, and inspire you to be extraordinary. Are you ready to join the fight against heart failure? We are redefining Cardiovascular Medicine through transformational AI solutions and work alongside major collaborations such as Mayo Clinic and the NHS England, with one shared ambition, to save lives. Ultromics is a global leader in AI-powered cardiovascular imaging diagnostics, transforming how heart disease is detected, assessed, and managed. Spun out from the University of Oxford, UK and built on a decade of world-leading research, Ultromics is redefining echocardiography with solutions that deliver .
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
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2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
Microsoft .NET / C#, MVC, SQL Server, Rest API and Visual Studio required.
Microsoft .NET / C#, MVC, SQL Server, Rest API and Visual Studio required.
351 exact matches jobs are outside your preferred location
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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
London
market rates, outside IR35, 2 days on site
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
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Senior JavaScript Engineer / Developer (Vue.js API) London to £100k - Apply now to find out more about this Senior JavaScript Engineer / Developer (JavaScript Vue.js API) opportunity.
Senior JavaScript Engineer / Developer (Vue.js API) London to £100k - Apply now to find out more about this Senior JavaScript Engineer / Developer (JavaScript Vue.js API) opportunity.
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Lead Python Developer, Backend Developer, GCP, Flask,API
Lead Python Developer, Backend Developer, GCP, Flask,API
Experis UK
London
£70000 - £90000 per annum + Benefits
£70-90k + Benefits - 2 days on site in North London - 3 days remote - I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. * Collaborate with cross-functional teams: Contribute to the development of new features by working alongside engineering, product management, design, and QA teams. * Promote best practices: Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code.
£70-90k + Benefits - 2 days on site in North London - 3 days remote - I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. * Collaborate with cross-functional teams: Contribute to the development of new features by working alongside engineering, product management, design, and QA teams. * Promote best practices: Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code.
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Integrate and manage APIs through Apigee API Management. Familiarity with Apigee and API gateway configuration.
Integrate and manage APIs through Apigee API Management. Familiarity with Apigee and API gateway configuration.
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Up to £515 per day (Inside IR35) Remote / must be UK based - 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a - to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services * Experience with Microsoft Power Platform (Power Automate, Powe
Up to £515 per day (Inside IR35) Remote / must be UK based - 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a - to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services * Experience with Microsoft Power Platform (Power Automate, Powe
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GCP Cloud Developer - 6 months - Hybrid(Warwick) - Inside IR35
GCP Cloud Developer - 6 months - Hybrid(Warwick) - Inside IR35
Hamilton Barnes Associates Limited
CV34, Warwick
Up to £500 per day
Integrate APIs and manage API gateway configurations using Apigee. * Familiarity withApigeeand API gateway configuration.
Integrate APIs and manage API gateway configurations using Apigee. * Familiarity withApigeeand API gateway configuration.
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Integrate and manage APIs using Apigee API Management. * Experience with API gateway configuration.
Integrate and manage APIs using Apigee API Management. * Experience with API gateway configuration.
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Strong experience with API and event-driven architectures.
Strong experience with API and event-driven architectures.
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Azure Analytics & Integration stack (e.g., Databricks, Synapse, Logic Apps, API Management) o API frameworks (SOAP, REST, WebSocket)
Azure Analytics & Integration stack (e.g., Databricks, Synapse, Logic Apps, API Management) o API frameworks (SOAP, REST, WebSocket)
Previous work in API integration
Previous work in API integration
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You will design, build, and manage API-based integrations across Google Cloud Platform, ensuring secure, scalable, and high-performing solutions. * Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. * Proven experience in API integration patterns and tools. * Strong knowledge of OAuth2, API Keys, and signed URL authentication methods.
You will design, build, and manage API-based integrations across Google Cloud Platform, ensuring secure, scalable, and high-performing solutions. * Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. * Proven experience in API integration patterns and tools. * Strong knowledge of OAuth2, API Keys, and signed URL authentication methods.
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GCP Integration-Focused Developer
GCP Integration-Focused Developer
Infoplus Technologies UK Ltd
Warwick, Warwickshire
From £450 to £500 per day Daily rates are within Inside IR35
Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. Strong experience with API integration patterns and tools. Familiarity with OAuth2, API Keys, and signed URL authentication methods.
Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. Strong experience with API integration patterns and tools. Familiarity with OAuth2, API Keys, and signed URL authentication methods.
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Strong knowledge of data modelling, API management, and cloud integration.
Strong knowledge of data modelling, API management, and cloud integration.
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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