Kiran Dapkar, Developer in Gurugram, Haryana, India
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Kiran Dapkar

Verified Expert  in Engineering

Bio

Kiran is a results-driven senior data scientist with AI, machine learning, and data analysis expertise. He has a proven track record of reducing costs, enhancing model performance, and developing cutting-edge generative AI solutions. Recognized for impactful contributions at American Express and HDFC Bank, Kiran's award-winning research and innovative tools have consistently driven efficiency and delivered valuable business insights.

Portfolio

American Express
Large Language Models (LLMs), Prompt Engineering...
HDFC Bank
Natural Language Processing (NLP), EasyOCR, Regex, Python 3, Bash, Text Mining...

Experience

  • Python 3 - 4 years
  • Bash - 4 years
  • Pandas - 4 years
  • Data Science - 4 years
  • Machine Learning - 4 years
  • Prompt Engineering - 3 years
  • Retrieval-augmented Generation (RAG) - 3 years
  • Artificial Intelligence (AI) - 3 years

Availability

Full-time

Preferred Environment

MacOS, Windows, Outlook, Slack, Excel 365, Python 3, Bash, Pandas, Microsoft PowerPoint, Large Language Models (LLMs)

The most amazing...

...solution I've developed is a generative-AI-powered insight engine and a Data Shapley model that reduced dataset size by 44% while saving $1.1 million.

Work Experience

Senior Data Scientist

2022 - PRESENT
American Express
  • Developed a generative-AI-powered insight engine using LLMs, Pandas, and ReAct prompting to analyze high-balance defaulter spend patterns, streamlining risk model analysis.
  • Streamlined case study tools at American Express, significantly improving operational efficiency.
  • Built a generative AI chatbot using DPR, LLMs, and prompt engineering, boosting response rates by 80% and achieving a 92% success rate.
  • Benchmarked LLM reasoning on tabular data, achieving a 15% improvement over GPT 3.5 by leveraging zero-shot, few-shot, and chain-of-thought prompting.
  • Reduced risk model population by 44% through Data Shapley, cutting costs by 50% and achieving a $1.1 million financial impact while improving model performance.
  • Published award-winning research on GBDT-Shapley at the Odyssey AI-ML Summit, earning the Global Decision Science SVP Award for innovation and collaboration at American Express.
  • Enhanced HPT standards by improving model selection stability, optimizing log loss, and introducing structural complexity to mitigate data drift in production systems.
Technologies: Large Language Models (LLMs), Prompt Engineering, Retrieval-augmented Generation (RAG), BERT, Mixtral, Chatbots, Data Shapley, XGBoost, Machine Learning, Google Cloud Platform (GCP), Transformers, Hugging Face Transformers, Python 3

Data Scientist

2021 - 2022
HDFC Bank
  • Developed a robust optical character recognition (OCR) pipeline using EasyOCR for text extraction from electricity bills, achieving structured analysis despite high bill heterogeneity.
  • Implemented an automated solution for transaction data extraction from banking texts, incorporating advanced feature engineering techniques.
  • Enhanced the model accuracy benchmark for transaction extraction by 22% through fine-tuning with BERT and advanced NLP techniques.
Technologies: Natural Language Processing (NLP), EasyOCR, Regex, Python 3, Bash, Text Mining, Optical Character Recognition (OCR), BERT

Experience

Speech-to-Indian Sign Language Conversion

https://github.com/kirandapkar/Speech-to-Indian-Sign-Language-Conversion/
This project involved developing a system to convert spoken English into Indian sign language (ISL) to enhance communication for the deaf or hard-of-hearing community. I utilized speech recognition, natural language processing (NLP), and grammar alignment to translate spoken words into ISL signs displayed as images or animations.

Education

2017 - 2021

Bachelor's Degree in Computer Science

Indian Institute of Technology - Mumbai, India

Certifications

FEBRUARY 2022 - PRESENT

Microsoft Certified: Azure Data Fundamentals

Microsoft

JULY 2020 - PRESENT

Neural Networks and Deep Learning

Coursera

JULY 2020 - PRESENT

AI for Everyone

Coursera

JUNE 2020 - PRESENT

Computer Vision: Object Detection with OpenCV and Python

Coursera

JUNE 2020 - PRESENT

Analyze Text Data with Yellowbrick

Coursera

Skills

Libraries/APIs

Pandas, XGBoost, Hugging Face Transformers, Natural Language Toolkit (NLTK), OpenCV

Tools

Slack, Microsoft PowerPoint

Languages

Python 3, Bash, Bash Script, C++, Regex, Python

Frameworks

Django

Platforms

MacOS, Windows, Google Cloud Platform (GCP), Azure

Other

Outlook, Large Language Models (LLMs), Data Science, Machine Learning, Natural Language Processing (NLP), Prompt Engineering, BERT, Text Mining, Artificial Intelligence (AI), Excel 365, Transformers, Retrieval-augmented Generation (RAG), Mixtral, Chatbots, Data Shapley, EasyOCR, Deep Neural Networks (DNNs), Deep Learning, Computer Science, Optical Character Recognition (OCR)

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