With over 9+ years of experience, I am a Tech Lead and Security Champion Plus specializing in system design and building scalable, resilient systems with Java/Spring Boot and Node.js/Next.js. My expertise spans enterprise-grade performance optimization, delivering up to 30–50x performance improvements, 70% CPU reduction, and significant infrastructure cost savings through architectural optimization. I've received fantastic feedback for my mentorship and guidance within companies, inspiring me to share it with a larger community.