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Rahul Dev

@rahuldev7

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AI/ML backend engineer building LLM and agent frameworks with FastAPI and LangGraph.

India

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What I'm looking for

I’m looking for an opportunity to build LLM-backed systems and agent frameworks with clean backend engineering. I want to ship fast, use LangGraph/LangChain, and work on real, user-focused AI features end to end.

I’m a hands-on AI/ML backend engineer focused on LLM applications, agent frameworks, and pragmatic API-driven systems. I build with Python and modern web backends like FastAPI/Flask, turning prompts and retrieval into working experiences.

In projects like Roast My Pitch, I orchestrated multi-agent debate using LangGraph (Devil's Advocate, Supporter, Analyst) with conversational memory, dynamic routing, and streaming FastAPI responses. I also built LearnLens AI, a Chrome extension that generates summaries, key takeaways, and quizzes by integrating the Groq API with structured prompt engineering and secure API key handling.

I enjoy shipping end-to-end features—from vector DBs and embeddings (FAISS/ChromaDB, sentence-transformers) to production-ready interfaces (REST APIs, Chrome Extension APIs, and reliable logging/exception handling). I’m excited to keep building agentic LLM systems that are fast, testable, and genuinely useful.

Experience

Work history, roles, and key accomplishments

LLM Agent Backend Engineer

AgentathonX

Built a multi-agent startup idea evaluator with Devil's Advocate, Supporter, and Analyst agents using LangGraph state machines and conversational memory. Developed a FastAPI backend with streaming responses and integrated the API with a React frontend.

LangGraph fastAPI REST APIs Streaming Prompt Engineering Vector Routing Git

AI Chrome Extension Developer

Airia AI Agent Hackathon

Developed an AI-powered learning Chrome extension that generates summaries, key takeaways, and auto quizzes from YouTube, web articles, and PDFs. Implemented structured prompt engineering with the Groq API and handled Chrome Manifest V3 with secure API key management.

JavaScript GROQ Prompt Engineering Structured Outputs PDF.Js GitHub Hugging Face

Binance Futures Trading Bot Developer

Binance Futures Testnet

Built a CLI trading bot to place MARKET and LIMIT BUY/SELL orders on Binance Futures USDT-M testnet with modular architecture and structured logging. Implemented input validation, comprehensive exception handling, and verified order placement via returned order IDs.

Python Argparse REST APIs CLI Logging

Education

Degrees, certifications, and relevant coursework

University of Engineering & Management

B.Tech, Artificial Intelligence & Robotics

B.Tech in Artificial Intelligence & Robotics at University of Engineering & Management, Kolkata. Coursework includes Machine Learning, Data Structures, Deep Learning, NLP, and Database Management; expected to graduate in 2029.