Taro Saito
Senior Principal Software Engineer at Treasure AI
Cupertino, California, United States
Summary
🤩
Rockstar🎓
Top SchoolTaro Saito is a Senior Principal Software Engineer with 16 years of experience building high-performance data systems, currently leading engineering at Treasure Data in Cupertino. A Ph.D. in computer science from the University of Tokyo and former assistant professor, he bridges rigorous research on database systems with production-grade engineering for large-scale analytics. He is the creator and maintainer of several influential open-source projects—Airframe, sbt plugins, and MessagePack integrations—that power production services handling hundreds of thousands of queries daily. His contributions to widely used projects like Presto/Trino, sqlite-jdbc, and snappy-java demonstrate deep expertise in JVM internals, serialization, and distributed SQL engines. Known for turning academic ideas into robust tooling, he combines database internals knowledge with pragmatic system design to optimize reliability and throughput.
16 years of coding experience
13 years of employment as a software developer
University of Tokyo
English, Japanese
Github Skills (30)
sqlite10
compress10
data-set10
testing10
databases10
big-data10
sbt10
jdbc10
java10
data-model10
javas10
jna10
window-functions10
sql10
build-automation10
Programming languages (16)
Github contributions (5)
xerial/sqlite-jdbc
Nov 2009 - Aug 2021
SQLite JDBC Driver
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:7 releases, 12 reviews, 550 commits in 11 years 11 months
Contributions summary:Taro primarily contributed to the development and maintenance of the SQLite JDBC driver, focusing on core database interaction and functionality. Their work included implementing support for features like date/time handling, BigDecimal, and support for character streams. They also addressed bugs, improved testing, and added support for various SQLite versions, demonstrating a strong understanding of database internals and JDBC implementation. The user also worked on adding transaction modes and enhanced the project with the implementation of online backup/restore functionalities.
sqlsqlitedatabasejavajdbc
msgpack/msgpack-java
Jan 2014 - Jun 2022
MessagePack serializer implementation for Java / msgpack.org[Java]
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 15 reviews, 659 commits in 8 years 6 months
Contributions summary:Taro implemented build scripts for implementing and publishing msgpack-java using sbt, including changes to the Build.scala and plugins.sbt files. They addressed compile errors by modifying source code in MessageUnpacker.java and Packer.java. Furthermore, the user integrated several test cases into the project, demonstrating their ability to write tests and debug.
msgpackserializationmessagepackserializerjava
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