Date posted
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Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- The City, City (EC2)
- Southwark
- Duxford
- Greenwich
- Lambeth
- The City, City (EC3)
- Canary Wharf
- Clerkenwell
- Gilwell Park
- High Brooms
- City of London
- South East London
- Central London
- West End
- East London
- South West London
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- Milton Keynes
- Reading
- West London
- London
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- Hampshire
- Kent
- South East
- East Anglia
- East Midlands
- Midlands
24 Permanent API jobs in Meadow Green, Welwyn Garden City + 20 miles
183 exact matches jobs are outside your preferred location
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QA Test Engineer Python API Automation
QA Test Engineer Python API Automation
Client Server
Milton, CB24
£40000 - £50000 per annum + bonus + benefits
You have API testing experience - Apply now to find out more about this QA Test Engineer (Python API Automation) opportunity.
You have API testing experience - Apply now to find out more about this QA Test Engineer (Python API Automation) opportunity.
NEWPREMIUM
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React Front End Engineer (TypeScript, API's, some C#/Angular)
React Front End Engineer (TypeScript, API's, some C#/Angular)
Hays
RH6, Gatwick
£45000.0 - £60000.0 per annum + £45-60k + Package
Front End React Engineer (TypeScript, API's, some C#/Angular) We're looking for a minimum of 3+ years commercial experience working hands-on with React/TypeScript integrating API's into their Front End estate.
Front End React Engineer (TypeScript, API's, some C#/Angular) We're looking for a minimum of 3+ years commercial experience working hands-on with React/TypeScript integrating API's into their Front End estate.
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Fidessa Developer Java - Capital Markets
Fidessa Developer Java - Capital Markets
Client Server
The City, EC3
£100000 - £135000 per annum + bonus + benefits
Fidessa Developer (Java Spring Boot API) London to £135k - As a Fidessa Developer (Java Spring Boot API) you will receive a competitive - Apply now to find out more about this Fidessa Developer (Java Spring Boot API) opportunity.
Fidessa Developer (Java Spring Boot API) London to £135k - As a Fidessa Developer (Java Spring Boot API) you will receive a competitive - Apply now to find out more about this Fidessa Developer (Java Spring Boot API) opportunity.
NEWPREMIUM
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On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
NEWPREMIUM
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On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
NEWFEATURED
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
NEWPREMIUM
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you.
NEWFEATURED
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Are you an experienced .Net (C#) Developer, with some solid experience in API development, looking to take on your next Software Engineering role in a growing SaaS product company? Keen to grow your technical skills around .Net 8 / C# / API & MySQL development & look into new Generative AI / LLM dev' tools, too? Job title: .Net (C#) API Developer - But basically, if you have solid experience in .Net (C#) & solid experience in ASP.Net core WebAPI (RESTful API), then we'd like to hear from you! - ASP.NET Core MVC and Web API. - Understanding of API versioning, documentation (e.g., Swagger), and security best practices.
Are you an experienced .Net (C#) Developer, with some solid experience in API development, looking to take on your next Software Engineering role in a growing SaaS product company? Keen to grow your technical skills around .Net 8 / C# / API & MySQL development & look into new Generative AI / LLM dev' tools, too? Job title: .Net (C#) API Developer - But basically, if you have solid experience in .Net (C#) & solid experience in ASP.Net core WebAPI (RESTful API), then we'd like to hear from you! - ASP.NET Core MVC and Web API. - Understanding of API versioning, documentation (e.g., Swagger), and security best practices.
NEWFEATURED
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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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Strong knowledge of data modelling, API management, and cloud integration.
Strong knowledge of data modelling, API management, and cloud integration.
NEWFEATURED
Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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Strong knowledge of system architecture, cloud solutions, and API design
Strong knowledge of system architecture, cloud solutions, and API design
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Ensuring feature parity and API alignment between different platforms
Ensuring feature parity and API alignment between different platforms
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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.
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Senior Software Engineer
Senior Software Engineer
Halian Technology Limited
W1, Central London
From £90,000 to £95,000 per annum Plus bonus and benefits
Cloud experience withAWSservices (Lambda, API Gateway, S3, etc.)
Cloud experience withAWSservices (Lambda, API Gateway, S3, etc.)
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Good understanding of API testing * Basic understanding of API automation using python
Good understanding of API testing * Basic understanding of API automation using python
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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
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Experience with API testing and an understanding of API integration methods
Experience with API testing and an understanding of API integration methods
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Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
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Head of Engineering (Hands on)- London Hybrid
Head of Engineering (Hands on)- London Hybrid
Develop
London
£90000 - £120000 per annum + + benefits & stocks
Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
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Junior PHP Developer
Junior PHP Developer
Rise Technical
Northampton, Northamptonshire
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
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Senior Solution Architect
Senior Solution Architect
UK Health Security Agency
Canary Wharf, E14 4PU
From £54,416 to £68,344 per annum
The United Kingdom Health Security Agency (UKHSA) is a system leader for health security; taking action internationally to strengthen global health security, providing trusted advice to government and the public and reducing inequalities in the way different communities experience and are impacted by infectious disease, environmental hazards, and other threats to health. UKHSAs remit, as an agency with a global-to-local reach, is to protect the health of the nation from infectious diseases and other external threats to health. * Prevent: anticipate threats to health and help build the nations readiness, defences and health security * Detect: use cutting edge environmental and biological surveillance to proactively detect and monitor infectious diseases and threats to health * Analyse: use world-class science and data analytics to assess and continually monitor threats
The United Kingdom Health Security Agency (UKHSA) is a system leader for health security; taking action internationally to strengthen global health security, providing trusted advice to government and the public and reducing inequalities in the way different communities experience and are impacted by infectious disease, environmental hazards, and other threats to health. UKHSAs remit, as an agency with a global-to-local reach, is to protect the health of the nation from infectious diseases and other external threats to health. * Prevent: anticipate threats to health and help build the nations readiness, defences and health security * Detect: use cutting edge environmental and biological surveillance to proactively detect and monitor infectious diseases and threats to health * Analyse: use world-class science and data analytics to assess and continually monitor threats
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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
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Advanced automation experience using PowerShell, Graph API, or Azure Automation for large-scale management and orchestration.
Advanced automation experience using PowerShell, Graph API, or Azure Automation for large-scale management and orchestration.
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Related Jobs
Locations
- The City, City (EC2)
- Southwark
- Duxford
- Greenwich
- Lambeth
- The City, City (EC3)
- Canary Wharf
- Clerkenwell
- Gilwell Park
- High Brooms
- City of London
- South East London
- Central London
- West End
- East London
- South West London
- Cambridge
- Milton Keynes
- Reading
- West London
- London
- Berkshire
- Buckinghamshire
- Cambridgeshire
- Oxfordshire
- Surrey
- Essex
- Bedfordshire
- Hampshire
- Kent
- South East
- East Anglia
- East Midlands
- Midlands