Hi! I’m Ashutosh — a Senior Software Engineer at Walmart, soon joining Microsoft. I work on backend systems + cutting-edge GenAI: LLMs • RAG • LangChain • LangGraph • VectorDBs — all in real production environments. I’ve built scalable microservices, designed AI-powered features, and helped teams deploy end-to-end GenAI solutions. I also mentor engineers who’ve cracked Microsoft, MAANG, Walmart, and top startups. Now, I’m here to help you level up with clear, structured, practical guidance. What I Help With: Interview Prep Java + Backend interviews System Design (HLD + LLD) DSA strategy + mock interviews Microsoft / Walmart / MAANG interview prep Resume polish + personalized roadmap Backend Engineering Microservices architecture REST API design Caching, queues, event-driven systems Scalability & performance tuning Code review + architecture guidance GenAI & LLM Engineering Designing RAG pipelines LangChain, LangGraph, VectorDBs End-to-end GenAI solution design Prompt engineering + orchestration Integrating LLMs into backend systems Production best practices (latency, evals, cost, safety) Why Learn From Me Cracked Microsoft — real insights, real strategies Deep experience across backend + AI engineering Simple, structured explanations — even for complex topics Frameworks that work in interviews + real production Personalized plans and actionable feedback Friendly, clarity-first mentoring approach Who Should Book a Session Java / Backend interview candidates Engineers targeting Microsoft & MAANG Developers transitioning into AI/LLM engineering Students wanting structured learning Professionals building their first GenAI or RAG system Anyone struggling with LLD, system design, or scalability