Principal .NET Architect - Full Stack (Retail Domain) - Remote

**** Webcam interview; *** Long term project Linkedin Must Remote ***** Remote but west coast if profile is preferred and candidate will work for CA timings ***** Job Description We are looking for an experienced Principal .NET Architect with strong expertise in C#, .NET, React, and the retail domain. The ideal candidate will lead platform architecture, modernization initiatives, and the development of scalable, high-performance enterprise applications. Must-Have Requirements .NET Architecture React Retail Domain Experience Key Responsibilities Define and drive end-to-end architecture for enterprise retail catalog platforms Design scalable APIs, microservices, distributed systems, and event-driven architectures Lead legacy modernization, cloud migration, and platform transformation initiatives Provide hands-on development using C#/.NET and React Drive architecture reviews, engineering standards, code quality, and technical decision-making Mentor senior engineers and collaborate with cross-functional, globally distributed teams Leverage AI-assisted development tools such as GitHub Copilot, Claude Code, or Cursor Required Skills 12+ years of software engineering experience, including Principal Engineer or Architect-level responsibilities Strong expertise in C#, .NET Core, ASP.NET Core, and React Mandatory experience in the retail or e-commerce domain, preferably retail catalog platforms Experience with microservices, REST APIs, event-driven architecture, databases, and cloud platforms (Azure preferred) Strong leadership, architecture design, platform modernization, and stakeholder management skills Hands-on experience with AI-assisted software development tools MSys Inc