Nisarg Mehta

Bengaluru, India.

About

Work

IBM Software Labs
|

Data Scientist

Summary

Developed a quality monitor framework to evaluate LLM-generated responses by creating custom NER models for entity extraction, ranking responses based on contextual similarity, and implementing the ReAct agent, to compute precise scores on a 0-1 scale. Achieved 83% accuracy with a response time of less than 5 seconds.

Groww, India
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Machine Learning Engineer

Summary

Developed and deployed a Liveness project, a facial recognition system to detect spoof faces, blurriness, masks, closed eyes, and multiple faces, achieving 85% accuracy with a 3-second API response time, and reducing annual expenses by $350,000. Implemented a document classification and field extraction pipeline for PAN, Passport, and Aadhar using CNN-based classification models, OCR, and NER techniques to classify documents and extract fields like ID numbers, and names, achieving 90%+ accuracy. Optimized resource management across multiple ML applications using multithreading, container tuning, and continuous monitoring (Prometheus, Grafana), achieving a 64% reduction in memory usage, a 47% decrease in core usage, and saving $20,000 monthly.

Groww, India
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Machine Learning Engineer Intern

Summary

Enhanced Groww's search engine using transformer-based models and edit distance techniques to correct spelling errors and interpret user query contexts, improving search-to-search click suggestions by 15% with query inference time under 5ms. Worked on a large tabular dataset with millions of customer records by implementing resampling techniques for imbalanced data, applying feature engineering using PCA, and leveraging gradient boosting algorithms, achieving an area under the ROC curve of 0.96. Designed and deployed a scalable mandate form verification system using text and image classification techniques, detecting cropped images and validating signatures with 92% accuracy on real-world data.

Education

Vishwakarma Institute of Technology

Bachelor of Technology

Electronics and Telecommunication Engineering

Grade: 9.10/10

Courses

Statistics and Probability for Data Science

Calculus

Linear Algebra

Machine Learning

Natural Language Processing

Computer Vision

Awards

Lead ML Engineer

Awarded By

Omdena

Recognized as "Lead ML Engineer" out of 40+ ML Engineers at Omdena for developing a predictive analytics solution quantifying economic and environmental impact using tabular data.

Syngenta's Machine Learning Hackathon

Secured 3rd place out of 35+ teams in Syngenta's Machine Learning Hackathon for a computer vision task classifying seed germination stages based on root and stem presence.

Coding problems

Solved 700+ coding problems on algorithms and data structures, maintaining a consistent problem-solving streak for 1 year.

Triple Crown Award

Awarded By

Toastmasters International

Received the Triple Crown Award and completed 4 levels of the Innovative Planning Path at Toastmasters International.

Skills

Technical Skills

Machine Learning, Deep Learning, Natural Language Processing, Large Language Models, Computer Vision, Python, C++, PyTorch, Kubernetes, Deployment.

Other Skills

Project Management, Public Speaking, Mentorship, Teaching, Swimming.

Projects

Blind2Vision: Smart Vision Assistant for a Blind Person

Summary

Implemented a real-time object detection model on a GPU-enabled system for precise obstacle navigation, integrated enhanced 3D spatial awareness to detect walls and vehicles, and integrated OCR technique for real-time printed text recognition.

SciKey Extractor: Keyphrase Extraction for Enhanced Scientific Information Retrieval

Summary

Developed a keyphrase extraction system for scientific literature to improve information retrieval, leveraging POS tagging, graph-based algorithms, and domain-specific filtering; ensuring high precision and semantic richness in extracted keyphrases.

TabularGPT: Natural Language Interface for Tabular Data

Summary

Developed an LLM-powered system to enable natural language querying of tabular data using Text-to-SQL, and created the data analysis pipeline where users can enter their queries to perform tasks like visualization and interpretation of the data.

CropGuard: Preventing Crops from Weeds

Summary

Developed a computer vision framework to distinguish plants from weeds in agricultural fields using object detection algorithms, achieving 96% accuracy. Processed datasets in XML format to structure the data for efficient model training and evaluation.