Juan Reyes
Staff Data Scientist
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJuan Reyes is a Staff Data Scientist with a decade of experience turning large-scale data into multi-million dollar cost savings and strategic insights for companies like Apple, NetSuite, Reddit, and Walmart. He specializes in end-to-end data systems—ETL, Airflow, BigQuery/Databricks, instrumentation, and dashboards—to drive product and operational decisions across marketing, ads, commerce, and member care. Juan has led analyses on budgets up to $360M and advised executives on lines of business approaching $1B, combining rigorous causal methods (DiD, PSM, A/B testing) with pragmatic OKR- and metric-driven forecasting. Known as a clear communicator and mentor, he also interviews and develops data science talent while allocating resources to high-impact projects. Based in San Francisco, he pairs a Mathematics and Economics BA with full-stack developer certifications, bringing both quantitative depth and engineering fluency to production analytics.
9 years of coding experience
5 years of employment as a software developer
Certificate Software Developer Full Stack Developer, Certificate Software Developer Full Stack Developer at University of California, BerkeleyUniversity of California, San DiegoCertificate Software Developer Front End Developer, Certificate Software Developer Front End Developer at freeCodeCamp
Spanish
Stackoverflow
21reputation
0reached
2answers
0questions
Github Skills (15)
html6
css6
footer6
firebase-realtime-database6
firebase6
mongoose4
mern4
expressjs4
mongodb3
react2
nodejs2
weather-api2
ajax1
javascript1
api1
Programming languages (1)
Github contributions (5)
cookies4u/portfolio
Aug 2017 - Nov 2020
Personal portfolio
Contributions:2 PRs, 17 pushes, 3 branches in 3 years 4 months
cssjavascriptreactreactjs
cookies4u/Intermediate-Algorithm-Scripting
Aug 2017 - Oct 2017
Contributions:27 PRs, 16 pushes, 16 branches in 1 month
javascriptjavascript-algorithms
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