Ryuji Tamaki
Machine Learning Engineer at DeNA
Chiyoda, Japan
Summary
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Senior🎓
Top SchoolRyuji Tamaki is a Machine Learning Engineer in Chiyoda with 11 years of experience building end-to-end ML products, from data lakes and batch pipelines to real-time recommendation systems deployed in production at DeNA. His background spans data science and IT consulting, where he delivered measurable gains such as a 15% MAP increase for a machine learning search system and state-of-the-art results on peptide binding tasks. He has a strong research-to-production track record—winning a QA competition at NIPS2017 and automating 88% of customer support answers with an AllenNLP-based system. Comfortable across infrastructure, modeling, and feature engineering, he combines practical product impact with academic rigor (Master’s in Information Technology) and shares experiments publicly via his Kaggle account.
11 years of coding experience
2 years of employment as a software developer
Master's degree, Information Technology, Master's degree, Information Technology at The University of Electro-Communications
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (30)
pytorch10
python10
machine-learning10
java10
deep-learning10
google10
sql10
ai10
natural-language-processing10
language-modeling10
golang10
batch10
nlp10
streaming10
data-science9
Programming languages (3)
Github contributions (5)
RyujiTamaki/atcoder
Apr 2020 - Jul 2020
Contributions:28 pushes, 1 branch in 3 months
RyujiTamaki/glue-dev-sample
Apr 2022 - May 2022
Contributions:3 commits, 4 pushes, 1 branch in 1 month
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