Design, develop, and sustain Windows desktop control software for complex electro-mechanical semiconductor test handlers using C++ and C#. Responsibilities span full lifecycle development—architecture, integration, deployment, and customer support—with focus on system uptime, safety, and reliability. Own hardware integration (motion controllers, machine vision, robotics, sensors, barcode readers), troubleshoot field issues, and drive system architecture across product variants. Mentor engineers and collaborate cross-functionally with manufacturing, field service, and customer teams.