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89 Permanent API jobs in Datchet Common + 20 miles
369 exact matches jobs are outside your preferred location
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.
Build scalable cloud solutions using Azure PaaS services (App Services, Function Apps, API Management, etc.)
Build scalable cloud solutions using Azure PaaS services (App Services, Function Apps, API Management, etc.)
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Proven experience in API development and maintenance.
Proven experience in API development and maintenance.
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Integration Engineer Contact (Outside IR35) - Oxfordshire
Integration Engineer Contact (Outside IR35) - Oxfordshire
Halian Technology Limited
OX1, Oxford
From £400 to £550 per day
Security awareness (especially around data flows and API access) RESTful API design and integration API authentication methods
Security awareness (especially around data flows and API access) RESTful API design and integration API authentication methods
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Strong grasp of databases (SQL/NoSQL) and API integrations
Strong grasp of databases (SQL/NoSQL) and API integrations
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Senior Java Developer Engineer (m/f/x) - Corporate Bank Technology - Merchant Solutions
Senior Java Developer Engineer (m/f/x) - Corporate Bank Technology - Merchant Solutions
Deutsche Bank
London
Competitive
We deliver innovative products such as our Digital Payment Gateway (API based solution allowing Marketplaces and Merchant to streamline their payment processing and settlement activities).
We deliver innovative products such as our Digital Payment Gateway (API based solution allowing Marketplaces and Merchant to streamline their payment processing and settlement activities).
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RESTful API development experience.
RESTful API development experience.
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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.)
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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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Microsoft Power Platform / Agentic AI Engineer
Microsoft Power Platform / Agentic AI Engineer
cer Financial
EC2M, City of London
£705 per day £705 per day (via Umbrella)
Microsoft 365 & Graph API Integration * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
Microsoft 365 & Graph API Integration * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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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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Understanding of API authentication, rate limits, and error handling.
Understanding of API authentication, rate limits, and error handling.
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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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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
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PHP Web Developer
PHP Web 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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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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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.
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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.
Strong application security background (OWASP Top 10, API security).
Strong application security background (OWASP Top 10, API security).
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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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Experience in API and BDD testing
Experience in API and BDD testing
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React.js (Hooks, Context API)
React.js (Hooks, Context API)
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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.
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Power Platform and Azure Architect
Power Platform and Azure Architect
Hays
RG21, Basingstoke
£500.0 - £600 per day + Up to £600 per day Outside IR35
You will be working for a global leader in biotech and animal genetics innovation. They're not just shaping the future of agriculture - they're delivering science with purpose. From gene editing and reproductive biology to next generation breeding technologies, their work directly improves animal health, food quality, and the resilience of the global food system. The Microsoft Power Platform & Azure Solutions Architect will be responsible for designing, implementing, and optimising scalable, secure, and effective solutions using Microsoft Power Platform (Power Apps, Power Automate, Power BI) and Azure services. This role bridges the gap between business needs and IT capabilities, ensuring that solutions support digital transformation, automation, and integration strategies across the organisation.
You will be working for a global leader in biotech and animal genetics innovation. They're not just shaping the future of agriculture - they're delivering science with purpose. From gene editing and reproductive biology to next generation breeding technologies, their work directly improves animal health, food quality, and the resilience of the global food system. The Microsoft Power Platform & Azure Solutions Architect will be responsible for designing, implementing, and optimising scalable, secure, and effective solutions using Microsoft Power Platform (Power Apps, Power Automate, Power BI) and Azure services. This role bridges the gap between business needs and IT capabilities, ensuring that solutions support digital transformation, automation, and integration strategies across the organisation.
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Related Jobs
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Holborn
- Burton End
- Canary Wharf
- Datchet Common
- Euston
- Frimley
- High Brooms
- City of London
- Reading
- South West London
- Central London
- South East London
- West End
- East London
- Oxford
- Milton Keynes
- Northampton
- London
- Berkshire
- Surrey
- Hampshire
- Oxfordshire
- Hertfordshire
- Buckinghamshire
- Northamptonshire
- Bedfordshire
- West Sussex
- South East
- East Midlands
- Midlands