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React / .NET C# Developer (Full Stack)

KaavBoise, IDL5 SeniorJuly 24th, 2026
Job Title: React / .NET C# Developer (Full Stack) Location: Boise, ID (Onsite) Work Address: 451 State St, Boise, ID 83702 Interview Type: In-Person Job Overview: We are seeking a highly skilled Full Stack React/.NET C# Developer to support the development of a legal case data portal. This application enables users to efficiently search and access case-related data. The role involves working on a modern tech stack with .NET Core, AWS services, and React-based frontends. Key Responsibilities:Design, develop, and maintain full-stack applications using React and .NET technologiesBuild and consume RESTful APIs and support SOAP integrationsDevelop responsive and scalable UI using React, JavaScript, and TypeScriptImplement backend services using C#, ASP.NET Core (.NET 6/8)Work with AWS Lambda for serverless processingWrite unit and integration tests to ensure code qualityUtilize Docker for containerized developmentCollaborate with cross-functional teams in Agile environmentsFollow secure coding practices and maintain application security Required Skills: Frontend:4+ years of experience with ReactStrong expertise in JavaScript / TypeScriptExperience with Node/NPM ecosystem Backend:4+ years of experience in C# and .NET (6/8)Strong experience with ASP.NET Core (REST APIs)Knowledge of Dependency InjectionExperience with async/await programming API Development:4+ years of experience building and consuming REST APIsExperience with JSON serialization (System.Text.Json / Newtonsoft.Json)Exposure to SOAP APIs (Nice to Have) Testing:Experience with NUnit for unit testingExperience with RestSharp for integration testing Cloud & DevOps:3+ years of experience with AWS Lambda (C#)Understanding of serverless architectureExperience with Docker / Docker ComposeStrong knowledge of Git Security:Knowledge of AWS security best practices (IAM, Secrets Manager)Understanding of data protection and secure coding practices Preferred Skills:Experience with OpenSearchKnowledge of CI/CD pipelinesExperience with Postman or API testing toolsFamiliarity with OWASP Top 10 and application security Tools & Technologies: React, JavaScript, TypeScript, C#, .NET Core, ASP.NET Core, AWS Lambda, Docker, Git, NUnit, RestSharp, Visual Studio Additional Notes:This is a 100% onsite role - local candidates preferredStrong emphasis on modern development practices and cloud-native architectureOpportunity to work on high-impact government/legal systems