Hi, I’m Sagar 👋 I’m currently working as a Software Engineer at Cisco, where I build large-scale email security and detection systems involving C++, Python, APIs, and distributed services. My work includes improving spam/graymail detection engines, building AI-powered tooling, and designing scalable backend systems. But beyond my job, I’ve always loved teaching and mentoring. - Authored 100+ DSA problems and improved 200+ more - Helped build a Python + DSA course completed by 8000+ students - Solved 2000+ coding problems - Codeforces Specialist | LeetCode 1850+ rating range On the academic side: - JEE Mains AIR 5049 - JEE Advanced AIR 7704 - Scored 100 in Maths in 10th, 11th & 12th So I understand both worlds: ➡️ The JEE/engineering prep grind ➡️ The software engineering / coding interview grind If you connect with me, I can help you with: DSA roadmaps (beginner → advanced) Interview prep strategy Resume & project reviews Choosing tech stacks JEE maths problem solving Engineering college & career decisions My goal is simple: Give you clarity, direction, and proven strategies - faster than figuring it out alone.