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dasdristanta13/README.md

Header

Hi there myself — portfolio ↗

I'm a Senior Data Scientist at Genpact, building production GenAI, agentic AI, and NLP systems — Text-to-SQL platforms, LLM extraction pipelines, and semantic search that ship real, measured impact instead of notebook demos.

🚀 What I'm building at Genpact & UST

  • Conversational Analytics (Text-to-SQL) Platform — agentic LangChain/LangGraph system over Azure OpenAI, cutting query-formulation time by 65% for 50+ beta users across 10 concurrent sessions, scaling to 500+ weekly queries at a 92% task-completion rate with 12+ cross-functional teams.
  • Invoice Processing Pipeline — LangChain + Azure OpenAI extraction with human-in-the-loop review, reaching 85%+ accuracy across 10,000+ invoices in 8+ languages and cutting manual processing time by 60%.
  • Provider Search System (UST) — NER + semantic/vector search mapping layperson language to medical terms, boosting search efficiency by 30% and accelerating data prep by 40% — my most-cited career win.
  • Healthcare Analytics (UST) — BigQuery-based patient-adherence analysis and an anomaly-detection system for categorical healthcare data, built HIPAA & GDPR compliant.

🧠 Skills

AI / ML NLP, LLMs, NER, RAG, Agentic AI, Machine Learning, Deep Learning, Statistical Modeling
Frameworks LangChain, LangGraph, PyTorch, Hugging Face, Scikit-learn, XGBoost, FastAPI, spaCy
Tools & Cloud Python, R, SQL, Git, Docker, BigQuery, Vector DBs, AWS, Azure (Azure OpenAI)
Design Architecture Design, Data Flow Modeling, UML, Anomaly Detection, HIPAA & GDPR Compliance

More detail on each of these (architecture diagrams, workflow breakdowns) lives on my portfolio ↗.

profile views followers

My profound works

NLP → LLM Adaptation → RAG → Agentic AI → LLMOps

Repository Focus Language Last Commit
agentic-text-to-sql Agentic AI · NL→SQL orchestration lang commit
Advanced_RAG Advanced retrieval · chunking · RAG pipelines lang commit
RAG_Techniques Retrieval strategies · embeddings lang commit
opik_proj LLMOps · tracing · GenAI evaluation lang commit
LLM-Lora-PEFT_accumulate LoRA · PEFT · LLM fine-tuning lang commit
NLP_work NER · topic modeling · semantic NLP lang commit

Supporting work: RAG-ai-bot (hybrid BM25+DPR QA bot) · ml-experiment-agent & copilot_agent (AI-agent experiments) · YOLOv6 & Cough2Covid (deep learning / vision & audio) · Time-series, Bankruptcy_LDA & Fifa21EDA (ML foundations)

Languages and Tools:

python git docker pytorch azure fastapi

LangChain LangGraph Hugging Face SQL scikit-learn

Get In Touch

LinkedIn GitHub Gmail

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  1. LLM-Lora-PEFT_accumulate LLM-Lora-PEFT_accumulate Public

    LLM-Lora-PEFT_accumulate explores optimizations for Large Language Models (LLMs) using PEFT, LORA, and QLORA. Contribute experiments and implementations to enhance LLM efficiency. Join discussions …

    Jupyter Notebook 6 1

  2. NLP_work NLP_work Public

    My NLP related projects

    HTML 3

  3. Cough2Covid Cough2Covid Public

    Cough Sound to Covid Prediction

    Jupyter Notebook 3

  4. Optim-Algo Optim-Algo Public

    This repository contains different techniques/algorithms for optimising any model. OPTIMISATION ALGORITHM

    Jupyter Notebook

  5. Fifa21EDA Fifa21EDA Public

    EDA of the data collected from the Fifa 21 game by EA SPORTS

    R 1

  6. Time-series Time-series Public

    Project on time series

    R 1