AI/ML Research Assistant / Associate Researcher
LawnStarter
Jan 2017 - Dec 2019 (3 years)
Developed baseline ML models (XGBoost, logistic regression) for churn prediction, improving F1 score from 0.56 → 0.69. Conducted 200+ controlled experiments related to pricing, scheduling, and service provider matching, improving matching efficiency by 18%. Built early prototypes for recommendation systems to match customers with top-performing service providers, increasing job acceptance rate by 15%. Cleaned and preprocessed 1TB+ of consumer behavior data, improving model readiness and reducing pipeline errors by 30%. Implemented NLP models to analyze 50K+ customer reviews, identifying top satisfaction factors and reducing negative review rate by 10%. Reproduced and validated research findings from industry papers using Python and BigQuery