My CV
Work Experience
Senior Data Scientist at CB4, A Gap Company
Herzliya, October 2021 - Present
-Led design and development of semantic eCommerce search engine using vector DB backend, finetuned product embedding models, and second-stage retrieval reranking model eCommerce recommendation system utilizing customer embeddings, enriched with product review aspect-based sentiment analysis and NER models
- Built internal data enrichment pipeline for LLM-based generation of product descriptions from images
- Led development of customer chat agent for eCommerce site using knowledge graph embeddings and RAG-based LLM text generation
- Model pipelines built and deployed at scale in a Kafka event-driven microservice architecture running on K8s and Terraform-managed infrastructure, and asynchronous FastAPI gateway
Data Scientist at Sparks AB
Hod Hasharon, October 2018 – October 2021
- Built and deployed a Hamilton (Markovian) regime-switching model as a market sentiment index, based on NLP features from sentiment analysis and text classification of unstructured financial data
- Built and deployed financial forecasting models using temporal CNNs and LSTMs that leveraged GloVe embeddings for features
- Implemented a macroeconomic event extraction service using transformer-based topic modeling
- ML Ops using AWS S3/Lambda/SageMaker, Jenkins, custom API to automate training and deployment
Junior Data Scientist at EY (Ernst & Young)
Tel Aviv, November 2016 – December 2018
- Part of the digital innovation team developing machine learning products internally to automate tax & audit processes
- Supervised classification model for detecting fraud/irregularity in transnational regularity filings
- Autoregressive forecasting model for regulatory penalty scheduling
Quantitative Analyst at McKinsey & Co.
Washington D.C., January 2013-October 2015
- Data analytics and predictive modeling for defense acquisition processes between US Department of Defense and defense manufactures
- Development of unsupervised clustering models for network analysis and defense platform optimization
Education
University of Pennsylvania, BA Statistics | 2010-2014
- Thesis: Spatial Clustering of Innovations in Military Theaters
- GPA: 3.9/4.0 Magna Cum Laude
Georgia Tech, Msc Computer Science | 2015-2019
- Computational Perception and Robotics
- GPA: 3.8/4.0