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shreyas1903/README.md

Hello World, I'm Shreyas Vinayak Patil πŸ‘‹

AI/ML Engineer | Agentic AI Systems | LLM Evaluation | RAG Pipelines | MS CS @ GMU


About Me

I'm an AI/ML Engineer specializing in production agentic AI systems, LLM evaluation infrastructure, and RAG pipelines β€” with 3+ years of experience shipping AI systems across FinTech, GovTech, and AI Research.

  • πŸŽ“ MS Computer Science (Machine Learning) @ George Mason University β€” GPA 3.7 (May 2026)
  • πŸ€– Research Assistant building an LLM-powered multi-agent code analysis platform @ GMU AI Code Analysis Lab
  • πŸš€ Previously AI Engineer @ InterAgency Inc. β€” built a production RAG-powered permitting chatbot for DC government workflows
  • πŸ” Expert in LLM-as-judge evaluation, hallucination detection, benchmark construction, and agent harness design
  • πŸ› οΈ Active open-source contributor to LiteLLM (merged PR #31574) β€” unified LLM gateway used by NASA, Adobe, Rocket Money
  • 🍎 Fine-tuned Qwen2.5-Coder-7B with LoRA using Apple's MLX framework on Apple Silicon
  • πŸ“œ NVIDIA Certified Associate β€” Generative AI and LLMs (2025)
  • πŸ“ Based in Fairfax, VA β€” open to relocation
  • πŸ’Ό Currently open to full-time AI/ML Engineering roles

What I Build

Area Tools
Agentic AI Systems LangChain, LangGraph, CrewAI, MCP Servers, Tool Use, Agent Harness Design
LLM Evaluation LLM-as-Judge, Hallucination Detection, MLflow, Benchmark Construction, Failure Mode Analysis
RAG Pipelines LlamaIndex, ChromaDB, Pinecone, Semantic Chunking, Vector Search
Production AI FastAPI, Flask, AWS ECS Fargate, Docker, Kubernetes
ML Frameworks PyTorch, TensorFlow, Scikit-learn, Hugging Face, MLX
Full Stack React.js, Node.js, TypeScript, PostgreSQL, Redis

Featured Projects

Perry β€” DC Permit RAG Chatbot Production RAG-powered permitting chatbot serving 88+ DC permit documents at sub-3s latency. Built with Claude API, LlamaIndex, ChromaDB, Flask, and AWS.

AST-Grep Agentic Code Analysis Platform Multi-agent code analysis system converting plain-English design rules into executable AST patterns across 20+ languages. Fine-tuned Qwen2.5-Coder-7B via LoRA on MLX, achieving 86% syntax validity through an automated verify-and-retry loop.

NLBot β€” Agentic Voice Robot Planner Agentic human-robot system where a Claude Sonnet planning agent decomposes voice commands into structured JSON task plans with human-in-the-loop approval and hallucination mitigation.

Architectural Document Analysis with LLMs Multimodal agentic system combining LLaVA 7B and Llama 3.2 for architectural drawing analysis. Achieved F1=0.82 and SUS usability score of 74.3.

ConnectEd β€” AI Student Mentor Platform Agentic mentor matching system using Groq Llama 3.1 70B achieving 100% successful pairing rate through semantic similarity scoring.

LiteLLM β€” Open Source Contribution Merged PR #31574 to LiteLLM, the unified LLM gateway (34K+ GitHub stars) used by NASA, Adobe, Rocket Money, and Samsara.

Multi-Class Obesity Risk Prediction ML classification system comparing XGBoost (98.5%), Random Forest (98.4%), Decision Tree (96.9%), SVM (94.6%) with SHAP explainability analysis.


Tech Stack

Languages

Python TypeScript JavaScript Java Kotlin SQL

AI/ML

PyTorch LangChain HuggingFace OpenAI Claude

Cloud & Infrastructure

AWS Docker Kubernetes


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