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RayhanPatel/README.md

Rayhan Patel

ML Engineer building production systems that go beyond demos.

MS Applied Machine Learning @ UMD · Previously Euler AI (SF) · NeurIPS 2023 · PearVC × OpenAI Hackathon Finalist


Background

  • Euler AI — Built 5+ production backend services on GCP. Designed LLM evaluation framework (G-Eval). Shipped PII guardrails.
  • Open-Source — Contributor to Mem0 (47k+ ⭐) and EmbedChain — 5+ merged PRs improving memory and RAG.
  • Research — Published at NeurIPS 2023 Workshop on evaluation methodologies for domain-specific LLMs.

Featured Projects

💬 AI Resume Chatbot · Try it live →
Production RAG system — FastAPI + React + Vertex AI with streaming SSE. 8-layer security pipeline · 40% latency reduction via custom async httpx · fail-open resilience design.

🔎 English2SQL
Natural language → SQL over Postgres with schema-aware retrieval. +9% accuracy via prompt iteration and RAG.

📄 Domain-Specific LLMs
NeurIPS 2023 Workshop — evaluation methodologies for domain-faithful LLMs. RAG vs fine-tuning tradeoffs.


Tech

ML / LLM: RAG · LLM Evaluation · Guardrails · Vector DBs · Fine-tuning
Backend: FastAPI · Python · PostgreSQL · Docker · GCP
Observability: Langfuse · Structured logging · Cost tracking
Frontend: React · Vite · Tailwind CSS


Currently

🎓 MS in Applied Machine Learning @ University of Maryland (2027)
🛠️ Building tools that bridge ML research and production

Pinned Loading

  1. mem0ai/mem0 mem0ai/mem0 Public

    Universal memory layer for AI Agents

    Python 48.1k 5.3k

  2. English2SQL English2SQL Public

    Production-style NL→SQL app: FastAPI + LangChain SQL chain over Postgres (AWS RDS) with pluggable LLMs (OpenAI base/fine-tuned, Ollama). Generates & executes SQL, returns JSON. Schema-aware context…

    JavaScript

  3. AlphaFoundry_Factor-Based_Quantitative_Strategy_Engine AlphaFoundry_Factor-Based_Quantitative_Strategy_Engine Public

    Quantitative investment framework combining Fama-French 5-factor analysis with XGBoost Learning-to-Rank. Implements a rolling-window strategy (Sharpe 0.95 vs SPY 0.85) to forecast excess returns an…

    Jupyter Notebook

  4. Deep-Learning-and-Ensemble-Models Deep-Learning-and-Ensemble-Models Public

    "🚀 My Data Science Internship Projects: Stock Price Prediction using LSTM & Titanic Survival Classification 📈🛳️"

    Jupyter Notebook