Charlie T.

Data Scientist at Google

Seattle, Washington, United States

About

Experience

  • Data Scientist at Google
    Apr 2022 - Present · 4 yrs 4 mos

    Using machine learning and Gemini to predict real world map changes, including speed limits, lanes, and road signs

  • Data Scientist at Spotify
    Dec 2018 - Apr 2022 · 3 yrs 5 mos

    - Developed "Top 1% Fan" algorithm for viral February 2020 campaign, resulting in a 6% increase in conversion - Ran in-app experiments to optimize marketing strategy for Spotify Premium - Built production xgboost model in Python to predict churn for 100+ million users

  • Storyblocks (Washington DC-Baltimore Area)
    • Data Engineer
      Jan 2018 - Nov 2018 · 11 mos

      - Built event pipelines for conversion modeling in PySpark - Maintained Shiny dashboards to visualize business performance and test results

    • Analytics Specialist
      Apr 2016 - Dec 2017 · 1 yr 9 mos

      - Identified search patterns and made visualizations with ggplot for our annual trends guide - Trained machine learning models in python to identify fraudulent payments

  • Booz Allen Hamilton (1 yr 1 mo)
    • Senior Consultant
      Jan 2016 - Mar 2016 · 3 mos

      - Built dashboards in RShiny to visualize immigration patterns for DHS - Led hackathons and training sessions in R - Held security clearance

    • Consultant
      Mar 2015 - Dec 2015 · 10 mos

      - Used NLP to analyze survey results on global healthcare trends - Built Shiny dashboard to predict NFL play calls

  • Research Assistant - Macroeconomics at Banco Sabadell
    Jul 2014 - Dec 2014 · 6 mos

    Ran time series stationarity tests to identify bubbles in the Colombian housing market