Hey there! I'm Puneet
Technical Expertise
Technologies I work with
Languages
ML/AI
Infrastructure
Career Journey
My professional experience and education
Machine Learning Engineer
Zillow (Zestimate) | 2021 - Present
Leading the architecture and development of Zillow's next-gen valuation systems. Spearheaded the interactive CMA platform development and infrastructure modernization, achieving $500k annual cost savings. Mentoring team members and driving technical innovation across the organization.
Machine Learning Engineer
OkCupid (Match.com) | 2020 - 2021
Led end-to-end development of ML pricing optimization system, implementing sophisticated pricing models that drove 6% revenue increase through A/B testing. Owned the complete ML pipeline from feature engineering to production deployment.
Machine Learning Engineer
FactSet | 2015 - 2020
Architected multiple ML systems including real-time speaker identification for earnings calls, automated company information extraction from 1.6M websites, and near-duplicate document detection service. Reduced compute time by 66% and pioneered new search ranking algorithms.
Master of Science in Computer Science
State University of New York, Buffalo | 2014
Focused on Machine Learning and Natural Language Processing. Published research on user attribute inference and social network analysis.
ML Research Engineer
Tata Research Development and Design Centre | 2011 - 2013
Developed novel algorithms for time series pattern detection achieving 7% accuracy improvement over existing methods. Built an ETL framework for real-time enterprise data harmonization using MapReduce paradigm.
B.Tech in Computer Science and Engineering
JIIT, India | 2010
Foundation in Computer Science and Software Engineering. Published research on automated music mood classification.
Notable Projects
Key projects across professional, academic, and open-source domains
Professional
Interactive CMA Platform
Zillow • 2023
Led development of an ML-powered Comparative Market Analysis platform using Siamese Neural Networks, enabling real-time property valuations and automated comps selection.
Dynamic Pricing Engine
OkCupid • 2021
Architected an ML system for subscription pricing optimization using Wide & Deep learning, achieving 6% revenue growth through personalized pricing.
Speaker Identification System
FactSet • 2019
Built a real-time speaker identification system for earnings calls using CNNs, processing 100K+ hours of audio with 95% accuracy.
Research & Academic
Quena - Question Answering System
SUNY Buffalo • 2014
Developed a large-scale QA system indexing 1.6M documents, using advanced NLP techniques for semantic search and answer extraction.
Social Network Analysis Framework
ACM Hypertext • 2015
Created a framework for inferring user attributes through celebrity network analysis, published at ACM Hypertext 2015.
Music Mood Classification
IJCSI • 2010
Pioneered an automated system for music mood classification using audio feature extraction and ML, published in IJCSI.
Open Source
Lotion
2K+ GitHub Stars • 60K+ Downloads
Unofficial Notion.so Desktop app for Linux, bringing the full Notion experience to Linux users with native integration.
Romadeva
Used by Translators Without Borders
Advanced Roman to Devanagari script converter with contextual awareness and linguistic rule processing.
Research Publications
My contributions to academic research
Inferring Latent Attributes of an Indian Twitter user using Celebrities and Class Influencers
ACM Hypertext 2015
Architecture for Automated Tagging and Clustering of Song Files According to Mood
IJCSI, 2010