Date posted
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Locations
Locations
Salaries
Date posted
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19 Permanent API jobs in Wallingford + 20 miles
322 exact matches jobs are outside your preferred location
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Job Description - UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes - RELOCATION ASSISTANCE: Relocation assistance may be available - CLEARANCE TYPE: UK-Highest Level of Government Clearance - TRAVEL: Yes, 10% of the Time - Salary: £77,400 - £116,000 - Define Possible at Northrop Grumman UK - At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind-set goes beyond our customer solutions; its the foundation for your career development and the impact we have within the community. So, whats your possible? This is more than just a job; its a mission. We are seeking an experienced Elasticsearch Platforms Engineer to join our Data Platforms Infrastructure team. This role is pivotal in supporting and maintaining our Elastic Cloud Enterprise (ECE) environment, designin
Job Description - UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes - RELOCATION ASSISTANCE: Relocation assistance may be available - CLEARANCE TYPE: UK-Highest Level of Government Clearance - TRAVEL: Yes, 10% of the Time - Salary: £77,400 - £116,000 - Define Possible at Northrop Grumman UK - At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind-set goes beyond our customer solutions; its the foundation for your career development and the impact we have within the community. So, whats your possible? This is more than just a job; its a mission. We are seeking an experienced Elasticsearch Platforms Engineer to join our Data Platforms Infrastructure team. This role is pivotal in supporting and maintaining our Elastic Cloud Enterprise (ECE) environment, designin
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API Integration
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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Awareness of Dataverse API
Awareness of Dataverse API
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• API Knowledge: Experience with APIs, web services, and data exchange formats.
• API Knowledge: Experience with APIs, web services, and data exchange formats.
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API Knowledge: Experience with APIs, web services, and data exchange formats.
API Knowledge: Experience with APIs, web services, and data exchange formats.
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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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Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
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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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You will lead end-to-end development of scalable web applications using ReactJS, React Native, .NET, and Azure, including API design and IoT integrations. * REST/GraphQL API development.
You will lead end-to-end development of scalable web applications using ReactJS, React Native, .NET, and Azure, including API design and IoT integrations. * REST/GraphQL API development.
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Applications Support Analyst/Developer
Applications Support Analyst/Developer
Kudos Partners
Datchet Common, SL3
£75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
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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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Front-End Developer, React.js, Hybrid, COR7367
Front-End Developer, React.js, Hybrid, COR7367
Corriculo Ltd
CV31, Leamington Spa
£65k - 80k per year + Benefits
Working closely with back-end teams, you’ll ensure seamless API integrations while optimising applications for performance, accessibility, and user experience. * Familiarity with TypeScript and RESTful API integration
Working closely with back-end teams, you’ll ensure seamless API integrations while optimising applications for performance, accessibility, and user experience. * Familiarity with TypeScript and RESTful API integration
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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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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).
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RESTful API development experience.
RESTful API development experience.
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Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370
Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370
Corriculo Ltd
CV31, Leamington Spa
£65k - 80k per year + Benefits
A solid understanding of RESTful API development and microservices
A solid understanding of RESTful API development and microservices
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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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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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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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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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.NET Developer
.NET Developer
Halian Technology Limited
W1, Central London
From £70,000 to £80,000 per annum Plus bonus and benefits
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
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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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