Full-stack React/.Net C# developer

Title: Full-stack React/.Net C# developerLocation: Boise, IDDuration: 6 monthsType: Contract - OnsiteOverview:It's built on a standard, modern .NET stack, using C# with ASP.NET Core (.NET 6/8) for backend REST and SOAP APIs, with AWS services such as Lambda for serverless processing. The frontend leverages React and Javascript/TypeScript.REQUIRED:React & Javascript• [4+ years] React: Building modern, component-based UIs (as indicated by the need for Node/NPM in the README).• [4+ years] JavaScript/TypeScript: Writing maintainable, modular code for the frontendC# / .NET• [4+ years] Strong proficiency in C# and the .NET 6/8 ecosystem• [4+ years] Experience with ASP.NET Core for building RESTful APIs• [2+ years] Familiarity with dependency injection• [2+ years] Understanding of asynchronous programming using async/awaitAPI Integration• [4+ years] Ability to implement and consume REST APIs (using controllers, attributes, and model validation)• [Nice-to-have] Any experience with SOAP APIs: constructing and parsing XML, using HttpClient, and working with XmlSerializer is nice to haveTesting• [2+ years] Writing and maintaining unit and integration tests using NUnit.• [2+ years] Using RestSharp for HTTP-based integration tests• [4+ years] Serializing/deserializing JSON with System.Text.Json andNewtonsoft.Json.Cloud & Serverless• [3+ years] Experience with AWS Lambda (C#): writing handler functions, deploying with Amazon.Lambda.Tools, and using AWS SDKs (e.g., Secrets Manager, SES)• [3+ years] Understanding of serverless application patterns• [Nice-to-have] Any OpenSearch experience would be highly prized Containerization & Local Development• [2+ years] Building and running services with Docker and Docker ComposeDevOps & Tooling• [4+ years] Git: Source control and branching strategies• [Nice-to-have] CI/CD: Familiarity with pipelines for automated builds, tests, and deployments• [Nice-to-have] Postman/Yakk: used for manual API testing and exploration• [4+ years] Visual Studio: our primary IDE for development and debuggingSecurity• [2+ years] Security best practices for AWS: IAM least privilege, secure secrets handling with AWS Secrets Manager, and protecting data in transit and at rest• [Nice-to-have] Application security: familiarity with OWASP Top 10, APIauthentication/authorization, and secure code review or remediation practices