Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- London
- Central London
- Canary Wharf
- South West London
- West London
- East London
- Moorgate, City of London
- South East London
- North London
- West End
- Birmingham
- Manchester
- Leeds
- East Midlands
- Bristol
- South East
- Cardiff
- Derby
- Guildford
- Essex
- Woking
- Nottingham
- Croydon
- Bournemouth
- North East
- Milton Keynes
- Cambridgeshire
- Kent
- Yorkshire
- Cambridge
- Glasgow
- Hampshire
- Surrey
- Newcastle Upon Tyne
- Hertfordshire
- Ipswich
- Lancashire
- Slough
- Wolverhampton
- Stevenage
- Cheltenham
- Norwich
- Nottinghamshire
- North West
- Enfield
- Bedford
- County Antrim
- Reigate
- Southampton
- Kingston Upon Thames
91 Contract API jobs in City of London + 20 miles
377 exact matches jobs are outside your preferred location
)
Awareness of Dataverse API
Awareness of Dataverse API
NEW
The candidate will hold specialization in designing web applications, middleware/API layer and AWS.
The candidate will hold specialization in designing web applications, middleware/API layer and AWS.
)
• API Knowledge: Experience with APIs, web services, and data exchange formats.
• API Knowledge: Experience with APIs, web services, and data exchange formats.
NEW
)
API Knowledge: Experience with APIs, web services, and data exchange formats.
API Knowledge: Experience with APIs, web services, and data exchange formats.
NEW
)
About the company: Join a high-growth fintech startup in King's Cross as their Founding Engineer, working directly with the founders to build a Payments Platform API platform from the ground up. * Ambitious technologist who is passionate about building market leading Payments API Platforms
About the company: Join a high-growth fintech startup in King's Cross as their Founding Engineer, working directly with the founders to build a Payments Platform API platform from the ground up. * Ambitious technologist who is passionate about building market leading Payments API Platforms
)
About the company: Join a high-growth fintech startup in King's Cross as their Founding Engineer, working directly with the founders to build a Payments Platform API platform from the ground up. * Ambitious technologist who is passionate about building market leading Payments API Platforms
About the company: Join a high-growth fintech startup in King's Cross as their Founding Engineer, working directly with the founders to build a Payments Platform API platform from the ground up. * Ambitious technologist who is passionate about building market leading Payments API Platforms
)
API: Vulkan, OpenGL, Metal, DirectX11 or 12 and/or OpenCL.
API: Vulkan, OpenGL, Metal, DirectX11 or 12 and/or OpenCL.
NEW
Keywords: WordPress Developer, PHP Developer, Front End Developer, Web Developer, HTML, CSS, JavaScript, Git, API, Accessibility, Digital Agency.
Keywords: WordPress Developer, PHP Developer, Front End Developer, Web Developer, HTML, CSS, JavaScript, Git, API, Accessibility, Digital Agency.
NEW
)
Architect and design enterprise-level integration solutions, defining API-led connectivity, patterns, and specifications. * Proven expertise in MuleSoft Anypoint Platform (including Anypoint Studio, Flow Design, and API Manager). * Strong knowledge of API-led connectivity and integration patterns (REST, SOAP).
Architect and design enterprise-level integration solutions, defining API-led connectivity, patterns, and specifications. * Proven expertise in MuleSoft Anypoint Platform (including Anypoint Studio, Flow Design, and API Manager). * Strong knowledge of API-led connectivity and integration patterns (REST, SOAP).
NEW
RESTful API development experience.
RESTful API development experience.
NEW
)
Monitor and incorporate changes to QA compliance incorporating relevant design codes (ASME, API, etc.)
Monitor and incorporate changes to QA compliance incorporating relevant design codes (ASME, API, etc.)
NEW
Design and develop new features of 3D Graphics API. Drafting new API extensions and writing specification.
Design and develop new features of 3D Graphics API. Drafting new API extensions and writing specification.
NEW
)
Frontend: React.js (Hooks, Context API), TypeScript, Redux, Cypress, Jest
Frontend: React.js (Hooks, Context API), TypeScript, Redux, Cypress, Jest
NEW
)
Good understanding of API testing * Basic understanding of API automation using python
Good understanding of API testing * Basic understanding of API automation using python
NEW
)
Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
NEW
)
Full Stack Developer
Full Stack Developer
CURE TALENT LIMITED
Milton, CB24
From £75,000 to £85,000 per annum Neg. DOE + Benefits
Strong understanding of API design, authentication, and database integration.
Strong understanding of API design, authentication, and database integration.
)
Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
NEW
Understanding of API authentication, rate limits, and error handling.
Understanding of API authentication, rate limits, and error handling.
NEW
)
Maintain and troubleshoot the custom C# .NET backend API used as a wrapper for Contentful CMS. * API Gateway * Solid expertise in C# .NET, particularly in API development and integration. * Familiarity with Contentful CMS and API integration.
Maintain and troubleshoot the custom C# .NET backend API used as a wrapper for Contentful CMS. * API Gateway * Solid expertise in C# .NET, particularly in API development and integration. * Familiarity with Contentful CMS and API integration.
NEW
)
Lead .Net Software Developer
Lead .Net Software Developer
Hireful
Milton Keynes, Buckinghamshire
£65k - £75k base salary plus Bonus and awesome benefits
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
NEWFEATURED
)
Mainframe (where relevant): z/OS, CICS, IMS, VSAM, JCL, Control-M, rehost/refactor/API enablement.
Mainframe (where relevant): z/OS, CICS, IMS, VSAM, JCL, Control-M, rehost/refactor/API enablement.
NEW
)
Restful API development experience
Restful API development experience
NEW
Strong application security background (OWASP Top 10, API security).
Strong application security background (OWASP Top 10, API security).
NEW
)
Writing automation scripts in Postman or Ready API * Experience with writing automation scripts in Postman or Ready API
Writing automation scripts in Postman or Ready API * Experience with writing automation scripts in Postman or Ready API
NEW
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
NEW
Related Jobs
Locations
- London
- Central London
- Canary Wharf
- South West London
- West London
- East London
- Moorgate, City of London
- South East London
- North London
- West End
- Birmingham
- Manchester
- Leeds
- East Midlands
- Bristol
- South East
- Cardiff
- Derby
- Guildford
- Essex
- Woking
- Nottingham
- Croydon
- Bournemouth
- North East
- Milton Keynes
- Cambridgeshire
- Kent
- Yorkshire
- Cambridge
- Glasgow
- Hampshire
- Surrey
- Newcastle Upon Tyne
- Hertfordshire
- Ipswich
- Lancashire
- Slough
- Wolverhampton
- Stevenage
- Cheltenham
- Norwich
- Nottinghamshire
- North West
- Enfield
- Bedford
- County Antrim
- Reigate
- Southampton
- Kingston Upon Thames