Hi! I'm Ritikesh, a Software Engineer at Microsoft with experience designing and building scalable distributed systems at enterprise scale. **What I help with:** **DSA (Data Structures & Algorithms)** - Help with coding problems and LeetCode - Explain approaches and optimizations - Mock coding interviews with feedback - Common patterns and problem-solving strategies **LLD (Low-Level Design)** - Object-oriented design and design patterns - Mock LLD interviews (design a parking lot, chat system, etc.) - How to approach design problems - SOLID principles and clean code **System Design** - How to think about scalability and architecture - Design large systems (YouTube, Twitter, Uber, etc.) - Database and caching decisions - Mock system design interviews **Code Review & Technical Mentoring** - Review your code for performance, scalability, and best practices - Help with debugging complex issues - Career guidance for engineers **My Experience:** At Microsoft, I've worked on: - Distributed systems and real-time data processing - Building and scaling backend services - System design and architecture decisions - Mentoring other engineers Available for quick questions, mock interviews, or ongoing prep sessions. Let's chat about what you need!