Batman avatar Tarun Singh Chauhan
Tarun Singh Chauhan
AI Engineer · LLM Systems · RAG · Multi-Agent Pipelines
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About
  • I'm Tarun — an AI Engineer based in Jaipur, building production-grade LLM evaluation systems, multi-agent pipelines, and full-stack GenAI applications.
  • I work end to end with Python, LangGraph, LangChain and LangSmith — from evaluation methodology and retrieval design through to shipped, cost-governed agents.
  • On the infra side I reach for FastAPI, Qdrant, Redis, Docker and PostgreSQL, with a bias toward measurable evaluation, drift detection and predictable failure handling.
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Experience
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Data Science and AI Intern · ZIDIO Development
Remote · Jun – Aug 2025
Built Python automation pipelines integrating LLM APIs across 5+ sources, cutting downstream data errors ~35–40% and eliminating manual workflows. Deployed prompt-engineering workflows and Power BI dashboards surfacing real-time KPIs, saving ~4–5 hrs/week.
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Generative AI & Machine Learning Intern · Linux World Pvt. Ltd.
Jaipur · Jul – Aug 2024
Built ML data pipelines and applied generative AI across two projects — an LLM-based NLP chatbot and a regression-based price predictor. Handled preprocessing and feature engineering for model training and evaluation.
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B.Tech — Artificial Intelligence & Data Science
Arya College of Engineering, Jaipur · Graduated June 2026
Projects

Catching model regressions
in under 4 minutes

LLM Evaluation Harness & Red-Teaming Framework
Personal Project
shipped
Benchmarked GPT-4o and Claude Sonnet on 50 MMLU prompts (ROUGE-L, BERTScore, bootstrapped 95% CIs), cutting regression detection from days to under 4 minutes per CI run. LLM-as-judge ensemble with inter-rater agreement scoring — Cohen's κ = 0.81 across 20+ adversarial attack patterns.
PythonLangGraphLangSmithMLflowFastAPIDockerRedis

A RAG pipeline that watches
its own drift

Real-Time RAG Ops Platform with Drift Detection
Personal Project
shipped
Production RAG pipeline with Qdrant vector search and cosine-similarity drift detection triggering automated re-indexing — 75% Redis cache hit rate on repeated queries. Real-time ops dashboard tracking p95/p99 latency SLOs, Hit@5 retrieval quality, and embedding drift.
PythonFastAPIQdrantLangChainRedisDockerChart.js

Three agents review your
code before you commit

Multi-Agent Code Review & Auto-Remediation System
Personal Project
shipped
3-agent LangGraph pipeline (static analysis, OWASP scanner, LLM fix proposal) running under $0.50/review — found 23 issues including 4 critical vulnerabilities in benchmark testing. 12-pattern OWASP scanner (regex + AST, zero API cost) with typed state contracts.
PythonLangGraphOpenRouterFastAPIDockerPostgreSQLRedis

Code explained out loud,
in English and Hindi

CodeCave — Bilingual LLM Code Tutor
Personal Project
shipped
Bilingual (English/Hindi) LLM code tutor that turns pasted Python/JavaScript into spoken step-by-step explanations, using a strict JSON output schema, server-side validation, and prompt-injection mitigation so malformed output never reaches the UI. Provider-fallback layer (Gemini models → Groq) with runtime model discovery and 503/429 retries, plus response caching and a rule-based offline explainer for free-tier resilience; API keys stay server-side.
Gemini APIGroq APINode.js (Vercel Serverless)JavaScriptWeb Speech APIWeb Workers
Skills
Python SQL / PostgreSQL JavaScript / TypeScript LangChain LangGraph LangSmith Qdrant FastAPI Docker Redis Prisma Next.js MLflow Groq API OpenRouter Git
GitHub Activity
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Achievements
Generative AI
Mastermind Outskill
✓
Data Science & Machine Learning
Udemy
✓
Data Analytics
Google
✓
LLM & GenAI Systems
RAG & Retrieval
Agentic Evaluation
Infra & Deployment
Tarun Singh Chauhan
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