Hi there 👋 I’m Karan Singh Lodhi, a Software Development Engineer with 5.5+ years of experience building high-performance, scalable systems across Amazon, Nielsen, and NEC Software. Over my career, I’ve worked on everything from real-time backend systems to Airflow-based data automation and AWS cloud infrastructure. Now, I help engineers and students who want to: • Crack top-tier tech interviews (Amazon, Product-based, FAANG-level) • Learn System Design, Backend Architecture & Cloud Engineering • Transition from junior developer to SDE-II/SDE-III • Build a strong career roadmap & technical foundation If you’re ready to accelerate your growth in software engineering — let’s build your roadmap together.