Senior Technical Architect - Dot Net (Chennai)

Role Summary We are looking for a Senior Architect to help modernize a large, long-standing desktop product built on Microsoft technologies. The system has evolved over many years and now needs architectural simplification, performance improvements, and modernization to support future growth. This is a hands-on, core engineering architect role Key Responsibilities - Study an existing complex desktop application architecture and identify performance and scalability bottlenecks. - Redesign and modernize core business logic, workflows, and system layers. - Drive migration from legacy .NET Framework to .NET Core, handling real-world dependency and compatibility challenges. - Redesign inter-component communication (e.g., replacing legacy remoting with contemporary approaches). - Produce a working architectural model within a short timeframe. - Ensure designs meet very strict performance and latency requirements. - Work closely with existing engineering teams and bring a fresh architectural perspective. Required Experience & Skills - Strong experience as a software / system architect on large, complex products (not just greenfield apps). - Deep hands-on background with Microsoft technologies: o C#, .NET Framework / .NET Core, COM/DCOM, .NET Remoting o Experience with legacy components, interop, or mixed-technology systems - Strong understanding of: o Performance-critical systems o Low-latency and high-throughput architectures o Multi-layered desktop or system software Nice to Have - Experience modernizing legacy systems. - Exposure to C++ or hardware-adjacent software. - Experience working with WPF / MVVM. Ideal Candidate Profile - Someone who has seen multiple real-world architectures and understands trade-offs. - Comfortable with messy legacy systems and improving them step by step. - Practical, hands-on, and performance-driven. Experience - 12+ years of experience in .NET development - At least 3+ years of recent experience as a Technical Architect in .NET .