Lead .NET DeveloperDuration: 12+ MonthsREMOTESeeking a highly experienced Senior Software Engineer with expertise in C#/.NET (60%) and React (40%).Requirements:10+ years in application development, focusing on large-scale business applications in a fast-paced iterative environment.5+ years designing, developing, and implementing business applications from concept to production.3+ years in a Technical Lead role.Technical Proficiency:C#, .NET, data structures, algorithms, and object-oriented design principles.Extensive experience in React for front-end development.Proficiency with Visual Studio and Git.Strong skills in relational database design, query construction, and optimization (SQL Server and Postgres preferred).Experience in unit and integration testing (NUnit, xUnit, MS Test, Selenium or similar).Sound understanding of software development architecture, data modeling, and security.