Yuji Tamiya
Data Scientist
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolYuji Tamiya is a data scientist with eight years of experience applying statistical modeling and machine learning across FinTech, ad-tech, and IoT domains. With a PhD in Mathematical Science and a physics background, he blends rigorous quantitative methods with practical product-focused analytics—examples include ad-effect evaluation, lead scoring, and event detection in sensor time series. At Money Forward he leads data utilization for card products and previously built dashboards, causal analyses, and ML proof-of-concepts at Repro and GRI. He contributes to open-source documentation for statsmodels, improving clarity in time-series state-space modules, which reflects his attention to reproducibility and communication. Based in Chiyoda, Tokyo, he is skilled in Python, SQL, and GCP (BigQuery, Looker Studio) and often bridges research-grade methods with production-ready tooling.
8 years of coding experience
3 years of employment as a software developer
学士号，修士号, Physics, 学士号，修士号, Physics at 早稲田大学 WASEDA UniversityDoctor of Science, Mathematical Science, Doctor of Science, Mathematical Science at Hokkaido University
Japanese, Chinese
Github Skills (6)
statistics10
python10
documentation10
latex9
data-science8
econometrics8
Programming languages (5)
Github contributions (5)
statsmodels/statsmodels
Jan 2021 - Mar 2021
Statsmodels: statistical modeling and econometrics in Python
Role in this project:
Technical Writer
Technical WriterContributions:4 reviews, 22 commits, 5 PRs in 1 month
Contributions summary:Yuji primarily focused on improving documentation within the `statsmodels/statsmodels` repository. Their contributions involved correcting LaTeX errors and typos in the documentation, adding parameter descriptions, and linking relevant documentation sections. These changes enhance the clarity and accuracy of the project's documentation. The edits were concentrated on the `statsmodels/tsa/statespace/structural.py` file.
forecastingpythonregression-modelsstatsmodelsstatistics
tatamiya/new-books-notification
Jun 2022 - Aug 2022
Contributions:142 commits, 95 pushes, 1 branch in 1 month
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