Issei Naruta
Principal Engineer at 株式会社IVRy
Chiyoda, Japan
Summary
🤩
Rockstar🎓
Top SchoolIssei Naruta is a Principal Engineer with 17 years of experience designing and operating large-scale backend systems, currently leading engineering efforts at 株式会社IVRy in Chiyoda, Tokyo. He spent the bulk of his career at Cookpad/COOKPAD Inc., progressing from backend developer to CTO and GM of Server Infrastructure and Network, where he shaped platform reliability and developer productivity. His background includes early backend work at Yahoo! JAPAN on Yahoo! Mail, and a Master’s in Information Science with a focus on AI from Nagoya University. Known for bridging hands-on system design with strategic leadership, he excels at turning infrastructure challenges into scalable, maintainable services. Peers describe him as an engineer who blends deep technical rigor with a talent for organizational scaling and cross-team collaboration.
18 years of coding experience
16 years of employment as a software developer
Master of Information Science, Artificial Intelligence, Master of Information Science, Artificial Intelligence at 名古屋大学 / Nagoya University
Japanese, Chinese
Github Skills (54)
proxy10
aws10
image-manipulation10
imagemagick10
database10
scripting9
image-processing9
twitter9
image-conversion9
db-schema9
command-line-tool9
rust8
activerecord8
db-migration8
jit8
Programming languages (7)
Github contributions (5)
cookpad/arproxy
Apr 2012 - Mar 2022
Arproxy is a proxy between ActiveRecord and database adapter
Contributions:22 reviews, 75 commits, 26 PRs in 10 years
activerecorddatabaseproxy
mirakui/activerecord-mysql-index-hint
Nov 2013 - Apr 2019
Contributions:34 commits, 11 PRs, 13 pushes in 5 years 5 months
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