Software Engineer II (Mid-Level) –.NET Backend / Microservices (Azure) + React/VueBuild and maintain backend services using C# and modern.NET (.NET 6/8; moving toward.NET 10).Contribute to microservices-based systems, including helping with incremental migration from monolith to microservices.Develop and maintain serverless components using Azure Function Apps.Implement data access patterns using Cosmos DB, Azure Blob Storage, and SQL Server.Build and integrate RESTful APIs used by web applications.Implement secure authentication/authorization with SSO using Microsoft Entra ID (OAuth2/JWT concepts).Collaborate with frontend teams and contribute to UI code in React and/or Vue.js (feature work, API integration, debugging, performance fixes).Write unit tests and help improve test coverage and overall code quality.Participate in code reviews, follow engineering standards, and use GitHub + GitHub Copilot effectively (with good judgment and review discipline).Required Qualifications:3–6 years professional software engineering experience (or equivalent)Strong experience with C#,.NET Core / modern.NET, and building backend APIsPractical experience (project/production) with microservices and RESTful web servicesHands-on experience with Azure, including Azure Functions and at least one of: App Services / cloud hosting / Azure-native integrationsExperience with SQL Server and writing/debugging performantWorking knowledge of authentication concepts (OAuth2, JWT) and SSO integration (preferably Entra ID)Frontend experience required: hands-on work with React and/or Vue.js (JavaScript/TypeScript, component-based UI, consuming REST APIs)Experience writing unit tests and contributing to a quality-focused engineering culturePreferred / Nice to Have:Experience helping modernize systems (e.g., monolith ? microservices)Experience with Cosmos DB and/or Blob Storage in production workloadsFamiliarity with CI/CD and automated testing practicesMobile app development experience (or supporting mobile backends)Exposure to both React and Vue (not just one)Job Info:Job Identification 8282Locations 2 Westbrook Corporate Ctr, Westchester, IL, 60154, US (Hybrid)Job Schedule Full timeMinimum Salary 79,310Maximum Salary 99,140