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hardik5520/README.md

Hi, I'm Hardik Arora 👋

Software Engineer · Full Stack + Applied AI · MS CS @ Michigan State

   

About Me

I'm a Software Engineer building at the intersection of full-stack systems and applied AI. I ship agents, fine-tune models, optimize inference, and architect scalable platforms.

  • 🏗️ At Conga, architected the Component Library (Lit.js) and micro-frontend platform — adopted by 40+ production apps, cutting duplicated dev effort by 70%
  • 🔐 At Rocket Mortgage, built REST APIs for the Identity Platform and an internal MCP server (LangChain + Auth0 + Splunk) that cut auth incident triage from hours to minutes
  • 🤖 Built an AI PR Review Agent (Spring Boot + LangGraph4j + GPT-4o) — triggers on GitHub webhooks, analyzes diffs for quality and OWASP security, posts structured review comments
  • 🧪 Fine-tuned Qwen 2.5 Coder 7B via QLoRA → AWQ-quantized → vLLM-served PR reviewer at near-GPT-4o quality for under $8 compute cost
  • 🌱 Research at MSU Basso Lab: plant yield prediction pipeline (~80% accuracy) + migrated DSSAT workloads to GCP Batch, cutting costs 30%
  • 📍 San Jose, CA · Open to relocation

🛠 Tech Stack

Languages

Java Python TypeScript JavaScript C++

AI / ML

LangGraph LangChain HuggingFace PyTorch OpenAI vLLM

Frontend

React Angular Next.js Lit.js Micro Frontends

Backend & APIs

Spring Boot Node.js FastAPI Flask

Cloud & DevOps

AWS Azure GCP Docker Kubernetes GitHub Actions

🚀 Featured Projects

Project Stack Description
AI PR Review Agent Java · Spring Boot · LangGraph4j · GPT-4o · React Autonomous PR reviewer — triggers on webhooks, analyzes diffs for quality + OWASP security, posts structured comments. JWT auth + Grafana/Prometheus observability.
PR Reviewer Distillation Python · QLoRA · AWQ · vLLM · Modal · HuggingFace Distilled GPT-4o → Qwen 2.5 Coder 7B. Trained on 73 PRs, AWQ-quantized to 4-bit (~4 GB). Near-GPT-4o evals (2.38 vs 2.62) for under $8 compute.
Enterprise RAG Research Agent Python · LangGraph · Elasticsearch · React Production-ready RAG agent — routes queries, builds multi-step research plans, retrieves docs in parallel, generates grounded responses.
LangGraph Blog Agent Python · LangGraph · OpenAI · Tavily Researches topics, writes sections in parallel, and generates diagrams — full agentic blog writing pipeline.

📜 Certifications

  • Microsoft Certified Azure Fundamentals (AZ-900)
  • AWS Cloud Foundations
  • Full-Stack Development – IIT Kanpur

LinkedIn · Medium · hardikarora5520@gmail.com

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  1. build-redis-with-python build-redis-with-python Public

    A Redis clone built from scratch in Python — implements the RESP protocol, thread-safe in-memory key-value store, TTL expiry, and real-time Pub/Sub using nothing but the Python standard library (ra…

    Python

  2. Enterprise-RAG-Research-Agent Enterprise-RAG-Research-Agent Public

    A production-ready LangGraph RAG research agent template — routes queries, builds multi-step research plans, retrieves docs in parallel, and generates grounded responses. Supports Elasticsearch, Mo…

    Python

  3. langgraph-blog-agent langgraph-blog-agent Public

    AI agent that researches topics, plans a blog outline, writes all sections in parallel, and generates diagrams — powered by LangGraph, OpenAI, Tavily & Gemini

    Python

  4. Langgraph-chatbot Langgraph-chatbot Public

    LangGraph workflow examples and chatbot implementations — sequential, parallel, conditional, and iterative patterns using OpenAI and LangChain, with Streamlit-based chat UIs.

    Python

  5. pr-reviewer-distillation pr-reviewer-distillation Public

    Distilled GPT-4o into a 7B PR review model. Full stack: scrape → QLoRA → AWQ quantize → vLLM serving on Modal. Live API + HF model included.

    Python

  6. ai-pr-review-agent ai-pr-review-agent Public

    Autonomous AI-powered PR code reviewer built with Spring Boot, LangGraph4j, GPT-4o, and React

    Java