Raj Patel
raj.patel@email.com · +1 (415) 555-0163 · San Francisco, CA · https://linkedin.com/in/rajpatel · https://github.com/rajpatel
Professional summary
Data scientist with 6 years building models that move retention, revenue, and forecast accuracy. I pair Python and SQL with rigorous experimentation — shipping production ML features and clear recommendations stakeholders act on.
Skills
Modeling
Python, scikit-learn, XGBoost, Feature engineering, A/B testing
Data
SQL, pandas, Statistics, Data visualization, dbt
Professional experience
Data Scientist
Orbit Analytics — San Francisco, CA
Feb 2021 – Present
- Built a churn model that identified 8,500 at-risk accounts, reducing monthly churn by 12%.
- Improved demand forecast MAPE from 18% to 9% with a gradient-boosted ensemble pipeline.
- Designed and analysed 14 product experiments, winning 9 with statistically significant lifts.
Junior Data Scientist
Brightline Fintech — Oakland, CA
Aug 2018 – Jan 2021
- Deployed a fraud-scoring model that cut false positives by 28% while holding detection rate flat.
- Automated feature pipelines in Python that cut model refresh time from 6 hours to 45 minutes.
- Presented monthly insights to product leadership on cohort retention and pricing sensitivity.
Education
University of California, Berkeley
M.S., Statistics
Relevant coursework: Machine learning, Bayesian inference, experimental design
2016 – 2018
Certifications
- TensorFlow Developer Certificate — Google — 2021