I'm a Principal Software Engineer with 10+ years of experience designing and scaling distributed systems, backend platforms, and AI-powered applications. I've led engineering teams, architected systems serving millions of users, and built products across fintech, healthcare, cloud, and Generative AI. My expertise includes Node.js, Python, AWS, system design, microservices, distributed systems, RAG, LangChain, and LLM-based applications. I enjoy solving complex engineering challenges and helping developers grow in their careers. On Topmate, I can help with: * Resume and LinkedIn reviews for Software Engineers * System Design interview preparation * Backend architecture and Distributed Systems guidance * GenAI, LLM, and RAG application architecture * Engineering leadership and career growth * Mock interviews for Senior, Staff, and Principal Engineer roles Whether you're preparing for your next interview, designing scalable systems, or exploring Generative AI, I'd be happy to help you move forward with practical, real-world advice.