Date posted
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Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
10 Permanent API jobs in Wallingford + 20 miles
209 exact matches jobs are outside your preferred location
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We're looking for a highly skilled Senior Full Stack Developer with strong experience in C# .NET and React to join our growing tech team. You'll play a key role in designing, building, and maintaining robust, scalable web applications, working across the full stack to deliver high-quality solutions that drive real value. This is a hybrid role with two days a week based in the office. * Design, develop, and maintain web applications using C# .NET (Core/Framework) and React. * Collaborate with cross-functional teams to define, design, and ship new features. * Write clean, scalable, and testable code. * Troubleshoot and debug applications. * Mentor junior developers and contribute to best practices. * 5+ years of experience as a Full Stack Developer. * Strong proficiency in C# .NET (Core) and React. * Solid understanding of REST APIs, SQL/NoSQL databases, and version con
We're looking for a highly skilled Senior Full Stack Developer with strong experience in C# .NET and React to join our growing tech team. You'll play a key role in designing, building, and maintaining robust, scalable web applications, working across the full stack to deliver high-quality solutions that drive real value. This is a hybrid role with two days a week based in the office. * Design, develop, and maintain web applications using C# .NET (Core/Framework) and React. * Collaborate with cross-functional teams to define, design, and ship new features. * Write clean, scalable, and testable code. * Troubleshoot and debug applications. * Mentor junior developers and contribute to best practices. * 5+ years of experience as a Full Stack Developer. * Strong proficiency in C# .NET (Core) and React. * Solid understanding of REST APIs, SQL/NoSQL databases, and version con
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Frontend Developer - React.js - Warwickshire - Permanent
Frontend Developer - React.js - Warwickshire - Permanent
Crimson
CV31, Leamington Spa
£55000 - £65000 per annum
Hybrid working - Warwickshire - Salary - £55,000 - £65,000 per annum - Frontend Developer required for a leading client based in Warwickshire. You will come on board to focus on the design and development of scalable UI interfaces relating to AI-powered automation products and solutions. * Skilled in designing and building responsive, high-performance applications using React.js, JavaScript (ES6+), HTML5, and CSS3. * Experienced in integrating RESTful APIs and collaborating with back-end teams to ensure seamless data flow. * Proficient in creating reusable, modular components with scalable and maintainable code architecture. * Strong focus on performance, accessibility (WCAG), and user experience, leveraging tools like Material-UI and Tailwind CSS. * Familiar with TypeScript, modern build tools (Webpack, Babel, Vite), and testing frameworks (Jest, React Testing Librar
Hybrid working - Warwickshire - Salary - £55,000 - £65,000 per annum - Frontend Developer required for a leading client based in Warwickshire. You will come on board to focus on the design and development of scalable UI interfaces relating to AI-powered automation products and solutions. * Skilled in designing and building responsive, high-performance applications using React.js, JavaScript (ES6+), HTML5, and CSS3. * Experienced in integrating RESTful APIs and collaborating with back-end teams to ensure seamless data flow. * Proficient in creating reusable, modular components with scalable and maintainable code architecture. * Strong focus on performance, accessibility (WCAG), and user experience, leveraging tools like Material-UI and Tailwind CSS. * Familiar with TypeScript, modern build tools (Webpack, Babel, Vite), and testing frameworks (Jest, React Testing Librar
Lead Software Developer - Python / AWS / React
Lead Software Developer - Python / AWS / React
Tech 4
E1, East London
From £72,000 to £76,000 per annum + excellent benefits
Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
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API-OpenAPI/GraphQL/GRPC
API-OpenAPI/GraphQL/GRPC
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Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
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Azure, API, PaaS * In-depth knowledge of Azure cloud services (PaaS, Containers, AKS, Logic Apps, API Management, Service Bus, Event Grid).
Azure, API, PaaS * In-depth knowledge of Azure cloud services (PaaS, Containers, AKS, Logic Apps, API Management, Service Bus, Event Grid).
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Experience with Java and API testing using Postman.
Experience with Java and API testing using Postman.
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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
RESTful API development
RESTful API development
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
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Strong knowledge of Django (or similar) and API design
Strong knowledge of Django (or similar) and API design
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Proficiency in API testing (Postman or equivalent) and SQL for data validation.
Proficiency in API testing (Postman or equivalent) and SQL for data validation.
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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SharePoint Developer
SharePoint Developer
PPF (Pension Protection Fund)
CR0, Croydon
From £56,000 to £61,500 per annum plus Civil Service pension and other
You should be confident working with cloud technologies like Azure, API development and integration, and SharePoint administration.
You should be confident working with cloud technologies like Azure, API development and integration, and SharePoint administration.
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AI (artificial intelligence) DevOps Engineer
AI (artificial intelligence) DevOps Engineer
Huxley Associates
EC1, City of London
£60000 - £90000 per annum
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
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Experience with API design and development for both internal and external use cases
Experience with API design and development for both internal and external use cases
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Writing (looking for experience with Scala, JavaScript, Java or any ideally procedural programming or alternatively object-orientated language), running and debugging functional automation tests on an integrated development environment (IDE) for front-end and API testing and frameworks including Cucumber BDD or Junit or Rest Assured
Writing (looking for experience with Scala, JavaScript, Java or any ideally procedural programming or alternatively object-orientated language), running and debugging functional automation tests on an integrated development environment (IDE) for front-end and API testing and frameworks including Cucumber BDD or Junit or Rest Assured
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RESTful API design and development
RESTful API design and development
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Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
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Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
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Understanding ofmicroservices architecture,API gateways,
Understanding ofmicroservices architecture,API gateways,
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
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