Sathish Kumar Thiyagarajan is a technology leader and software architect known for his expertise in building modern, cloud-native applications using open-source technologies. He currently serves as the Chief Technology Officer (CTO) at OurKadai Technologies, where he focuses on creating scalable digital solutions through strong engineering principles such as test-driven development (TDD), continuous delivery, and a strong emphasis on user experience (UX). With a career rooted in hands-on software architecture, Sathish has become recognized for blending technical depth with leadership. He is passionate about clean code, high-quality engineering practices, and knowledge sharing, often participating as a speaker at tech conferences and meetups.