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51 Permanent API jobs in Eastend, Harlow + 20 miles
Demonstrable experience of Application Program Interface (API) testing within Agile sprints, using tools such as Postman and/or other industry-recognized API testing tools.
Demonstrable experience of Application Program Interface (API) testing within Agile sprints, using tools such as Postman and/or other industry-recognized API testing tools.
222 exact matches jobs are outside your preferred location
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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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QA Test Engineer Python Automation
QA Test Engineer Python Automation
Client Server
Milton, CB24
£40000 - £50000 per annum + bonus + benefits
QA Test Engineer (Python API Automation) Cambridge to £50k * You have API testing experience - Apply now to find out more about this QA Test Engineer (Python API Automation) opportunity.
QA Test Engineer (Python API Automation) Cambridge to £50k * You have API testing experience - Apply now to find out more about this QA Test Engineer (Python API Automation) opportunity.
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Lead Web Developer
Lead Web Developer
Rise Technical
Northampton, Northamptonshire
£50000 - £60000 per annum + Great Benefits
The ideal candidate will bring strong experience of PHP and Laravel development, a proven track record of designing and optimising databases in MySQL, and a confident understanding of front-end and API integration. * Skilled in version control (Git) and RESTful API integration
The ideal candidate will bring strong experience of PHP and Laravel development, a proven track record of designing and optimising databases in MySQL, and a confident understanding of front-end and API integration. * Skilled in version control (Git) and RESTful API integration
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Lead Web Developer
Lead Web Developer
Rise Technical
Northampton, Northamptonshire
£50000 - £60000 per annum + Great Benefits
The ideal candidate will bring strong experience of PHP and Laravel development, a proven track record of designing and optimising databases in MySQL, and a confident understanding of front-end and API integration. * Skilled in version control (Git) and RESTful API integration
The ideal candidate will bring strong experience of PHP and Laravel development, a proven track record of designing and optimising databases in MySQL, and a confident understanding of front-end and API integration. * Skilled in version control (Git) and RESTful API integration
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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.
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and 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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Implement API integrations for third-party services and ensure smooth data flow between systems. Experience with Umbraco CMS, including custom plugin development, templates, and API integration.
Implement API integrations for third-party services and ensure smooth data flow between systems. Experience with Umbraco CMS, including custom plugin development, templates, and API integration.
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Experience with API integrations and version control (GitHub/Bitbucket)
Experience with API integrations and version control (GitHub/Bitbucket)
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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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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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AI Solutions Engineer - London
AI Solutions Engineer - London
Transparent Technology
London, EC1A 4RN
£70000 - £140000 per annum + + bens + shares
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
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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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Experience with Git version control and API integration
Experience with Git version control and API integration
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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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
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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
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Solid understanding of backend architecture, distributed systems and API design.
Solid understanding of backend architecture, distributed systems and API design.
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Outside IR35 - Remote - occasional travel to client sites | Contract, 12 months (extension possible) Our client, a leading consultancy delivering solutions into the public sector, is seeking an experienced MS Dynamics Commerce Solution Architect. You'll play a critical role in designing and implementing a headless commerce architecture with Microsoft Dynamics Order Management at its core. This contract offers the opportunity to provide strategic guidance and hands-on expertise on large-scale digital transformation programmes, while enhancing Dynamics 365 Finance & Operations (F&O) to support seamless order management integration. Key Responsibilities * Design and deliver headless commerce architectures using Microsoft Dynamics. * Configure, customise, and optimise Dynamics Order Management to meet complex client needs.
Outside IR35 - Remote - occasional travel to client sites | Contract, 12 months (extension possible) Our client, a leading consultancy delivering solutions into the public sector, is seeking an experienced MS Dynamics Commerce Solution Architect. You'll play a critical role in designing and implementing a headless commerce architecture with Microsoft Dynamics Order Management at its core. This contract offers the opportunity to provide strategic guidance and hands-on expertise on large-scale digital transformation programmes, while enhancing Dynamics 365 Finance & Operations (F&O) to support seamless order management integration. Key Responsibilities * Design and deliver headless commerce architectures using Microsoft Dynamics. * Configure, customise, and optimise Dynamics Order Management to meet complex client needs.
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Job Title: Solution Architect - Location: Windsor, UK - Work Model: Hybrid (1 day per week in office) Job Type: Contract (Inside IR35) Duration: 6 Months - We are seeking an experienced Solution Architect to join our team in Windsor. You will play a key role in defining, communicating, and implementing strategic technology standards and roadmaps, ensuring robust and scalable solutions for business transformation initiatives. This is a hybrid role requiring one day per week in the office. * Identify, publish, and communicate strategic technology standards, frameworks, principles, and roadmaps to guide technology decisions and leverage efficiency opportunities. * Analyze the impact of implementing new technologies into the IT infrastructure. * Assist Solution Architects, Product Specialists, and Project Managers in matching technology services to specific business servi
Job Title: Solution Architect - Location: Windsor, UK - Work Model: Hybrid (1 day per week in office) Job Type: Contract (Inside IR35) Duration: 6 Months - We are seeking an experienced Solution Architect to join our team in Windsor. You will play a key role in defining, communicating, and implementing strategic technology standards and roadmaps, ensuring robust and scalable solutions for business transformation initiatives. This is a hybrid role requiring one day per week in the office. * Identify, publish, and communicate strategic technology standards, frameworks, principles, and roadmaps to guide technology decisions and leverage efficiency opportunities. * Analyze the impact of implementing new technologies into the IT infrastructure. * Assist Solution Architects, Product Specialists, and Project Managers in matching technology services to specific business servi
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Technical Agile Business Analyst/ Product Engineer
Technical Agile Business Analyst/ Product Engineer
Hays
London, EC3A 4BF
£50000.0 - £60000.0 per annum + 50000-60000
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
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Related Jobs
Locations
- Shadwell
- The City, City (EC2)
- The City, City (EC3)
- Bermondsey
- Gilwell Park
- Holloway
- Kempston
- Maida Hill
- Milton
- Nene Valley Retail Park
- City of London
- Central London
- West End
- East London
- Reading
- Bedford
- Cambridge
- North West London
- Northampton
- West London
- London
- Berkshire
- Northamptonshire
- Bedfordshire
- Cambridgeshire
- Buckinghamshire
- Hertfordshire
- Essex
- Surrey
- West Sussex
- South East
- East Midlands
- Midlands
- East Anglia