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dhirendrachoudhary/README.md

πŸ‘‹ Hi, I'm Dhirendra Choudhary!

Email LinkedIn

I'm a Lead ML Engineer with a passion for architecting and productionizing cutting-edge AI solutions, especially in Generative AI, LLMs, NLP, and Computer Vision. I thrive on solving complex problems and driving innovation from proof-of-concept to deployment.

Currently, I'm also pursuing a Ph.D. in Data Science and Artificial Intelligence at IIIT Bangalore, focusing on Advanced LLM applications, multimodal LLMs.


πŸš€ What I'm Currently Focused On

  • Leading ML initiatives at Zycus Infotech, focusing on LLM pipelines, RAG systems, and multi-agent solutions for the procurement domain.
  • Deep diving into advanced fine-tuning techniques (PEFT, LoRA, Quantization) for models like LLaMA 3.
  • Building robust MLOps workflows for efficient model deployment and monitoring.
  • My Ph.D. research at IIIT Bangalore.

πŸ› οΈ My Tech Stack & Skills

Here's a snapshot of the technologies and tools I work with:

Core Areas:

Generative AI LLMs NLP Computer Vision Deep Learning Machine Learning MLOps Prompt Engineering

Languages & Databases:

Python SQL Bash C Neo4j PostgreSQL MySQL MongoDB Spark

LLMs & GenAI Frameworks/Tools:

OpenAI API LLaMA 3 Mistral LangChain LlamaIndex HuggingFace Transformers PEFT LoRA Quantization RAG Vector DBs AutoGen

ML/DL Libraries:

PyTorch TensorFlow Keras Scikit-learn OpenCV spaCy NLTK Pandas NumPy XGBoost

Cloud & MLOps:

AWS Azure ML GCP AI Docker Kubernetes CI/CD MLflow Terraform

Other Tools:

Git Jupyter Tableau Plotly Dash


πŸ’Ό Professional Experience

Lead ML Engineer @ ZYCUS INFOTECH (Bengaluru, India)

(09/2023 - Present)

  • Architected & Productionized end-to-end LLM pipelines (GPT-4/3, LangChain) for automated invoice data extraction (97% accuracy).
  • Engineered & Deployed scalable RAG systems using Knowledge Graphs (Neo4j) and Vector DBs (Pinecone, FAISS) on AWS, improving semantic search by 20%.
  • Executed advanced fine-tuning (PEFT, LoRA, Quantization) on LLaMA 3 models.
  • Established robust MLOps workflows with CI/CD pipelines.
  • Integrated multimodal models (LayoutLM, DocVQA), enhancing data extraction by 25%.
  • Exploring around multi-agent system POC (AutoGen) for procurement.

Data Scientist @ IHX PRIVATE LIMITED (Bengaluru, India)

(04/2022 - 09/2023)

  • Helped in building Discharge Summary Digitizer, fine-tuning a clinical NER model (Transformers) to 94% accuracy, reducing manual review by 35%.
  • Developed an innovative multimodal model (LayoutLMv2, CV) for Lab Report Digitization.
  • Optimized document classification (+28%) via fine-tuning Faster R-CNN/YOLO models.

Research Intern @ DEFENCE RESEARCH AND DEVELOPMENT ORGANISATION (DRDO) (New Delhi, India)

(12/2019 - 06/2020)

  • Researched & Implemented a custom CNN-LSTM architecture for mental workload estimation from EEG (84% accuracy).
  • Designed insightful dashboards using Dash, Tableau, and Plotly.

πŸŽ“ Education

  • Ph.D. in Data Science and Artificial Intelligence (Part-time)
    • INTERNATIONAL INSTITUTE OF INFORMATION TECHNOLOGY BANGALORE (IIITB), India
    • 2024 - Current
  • Master of Science in Computer Science (Major: Data Science)
    • CHRIST UNIVERSITY, Bangalore, India
    • 2020 - 2022
  • Bachelor of Computer Application (Major: Computer Science)
    • GGSIP UNIVERSITY, New Delhi, India
    • 2017 - 2020

πŸ“š Publications

  • Sign Language Recognition System:
    • Published in: Proceedings of the International Conference on Innovative Computing & Communication (ICICC) 2021 (April 22, 2021).
    • πŸ”— [Link to Publication - You'll need to find and add the actual URL or DOI link]
  • Mental Workload Estimation Using EEG:
    • Published in: 2020 Fifth International Conference on Research in Computational Intelligence and Communication Networks (ICRCICN), Bangalore, India, 2020.
    • πŸ”— [Link to Publication - You'll need to find and add the actual URL or DOI link, e.g., IEEE Xplore link]

πŸ“Š GitHub Stats


πŸ“« Let's Connect!

I'm always open to discussing new projects, research ideas, or collaboration opportunities.

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