Kazuya Ujihara
Product Engineering Manager at Xeureka, Inc.
Takarazuka, Hyogo Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolKazuya Ujihara is a Product Engineering Manager based in Takarazuka, Japan, combining nine years in software/AI roles with a decades-long career in synthetic organic chemistry and agrochemical research. He bridges domain science and engineering—leading product work at Xeureka after developing AI drug-discovery platforms at Preferred Networks and conducting applied agrochemical research at Sumitomo Chemical. An active contributor to major open-source cheminformatics projects like RDKit and the Chemistry Development Kit, he focuses on reliability improvements in stereochemistry, file parsing, and language bindings that enable scientific tooling to interoperate. His background includes a PhD in Agricultural Chemistry and hands-on lab experience as a Stanford visiting scholar, giving him uncommon credibility translating wet-lab problems into robust software solutions. Colleagues rely on him for pragmatic problem-solving at the intersection of organic synthesis, vector/crop protection, and computational chemistry.
9 years of coding experience
33 years of employment as a software developer
Doctor of Philosophy - PhD, Agricultural Chemistry, Doctor of Philosophy - PhD, Agricultural Chemistry at 東京大学Master of Science (M.Sc.), Organic Chemistry, Master of Science (M.Sc.), Organic Chemistry at 北海道大学
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
javas10
debugging10
rdkit10
debug10
c-language10
cprogramming-language10
cheminformatics10
java10
testing10
python9
bioinformatics9
dotnet-core8
csharp8
Programming languages (8)
Github contributions (5)
cdk/cdk
May 2017 - Jan 2021
The Chemistry Development Kit
Role in this project:
Back-end Developer
Back-end DeveloperContributions:85 commits, 39 PRs, 30 comments in 3 years 9 months
Contributions summary:Kazuya primarily focused on fixing various issues within the Chemistry Development Kit, addressing bugs and correcting code. Their commits involved modifying test cases and core Java code, indicating a focus on improving the reliability and functionality of the software. The contributions range from correcting compound names and fixing tests to adjusting code related to specific reactions and descriptors. These changes suggest a developer with a focus on enhancing the stability and accuracy of the project's underlying algorithms and data structures.
cheminformaticsdevelopment-kitchemistrychemistry-development-kitbioinformatics
rdkit/rdkit
Nov 2020 - Feb 2022
The official sources for the RDKit library
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 20 commits, 14 PRs in 1 year 2 months
Contributions summary:Kazuya primarily contributed to bug fixes and improvements within the RDKit library, focusing on issues related to C# wrappers, file parsing, and stereochemistry calculations. They addressed compatibility problems with C# integration, corrected issues with file handling, particularly concerning compressed files and Boost Iostreams, and fixed a bug in the stereoisomer enumeration process. The user also updated and improved documentation by fixing docstrings.
cheminformaticsrdkitpythonc-plus-plussources
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.