👋 Hi, I’m Shivam Chauhan — a Software Engineer at Microsoft with 6+ years of experience, passionate about designing high-performance backend systems, mastering Data Structures & Algorithms, and helping others grow in tech. I’ve built large-scale systems in fintech, logistics, and e-commerce, including a Warehouse Management System that saved 17.6% in operational costs and handled 10,000+ transactions/hour with p99 latency <50ms ⚙️ 🧠 Currently, I’m deeply focused on DSA and System Design, solving problems daily on LeetCode while preparing for Microsoft-level interviews. 💡 On Topmate, I help developers and students with: Cracking FAANG/Microsoft-style interviews Mastering DSA, System Design & Problem Solving Building production-grade backend systems (NestJS, Django, Golang, PostgreSQL, Redis) Reviewing GitHub portfolios & Tech Resumes that stand out