Koki Sato
Software Development Engineer at Amazon
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolKoki Sato is a pragmatic software development engineer with 10 years of experience building backend systems and payment platforms, now working at Amazon from Tokyo. He led a payment system replatforming at 出前館 while at LY Corporation, designing gRPC-based, non-blocking services with Kafka, Kotlin, R2DBC and migrating from AWS to a private cloud. Comfortable across startups and large organizations (LINE, Cookpad, Crispy), he focuses on reliable CI/CD and scalable service design. His academic background in intelligent software from Waseda and CS coursework at Northern Arizona University complement a data-informed approach born from earlier analytics work. Colleagues know him for tackling complex infrastructure migrations and shipping production-grade, performance-sensitive systems.
10 years of coding experience
2 years of employment as a software developer
Master of Fundamental Science and Engineering, Intelligent Software, Master of Fundamental Science and Engineering, Intelligent Software at 早稲田大学 WASEDA UniversityComputer Science, Computer Science at Northern Arizona University
Chinese, Japanese
Github Skills (68)
qt9
sdk9
gtk9
matplotlib9
kotlin9
markdown-it9
data-visualization8
django8
api8
python8
messaging-api8
spring8
visualization8
django-rest-framework8
java8
Programming languages (7)
Github contributions (5)
koki-sato/myclient
Feb 2016 - Jul 2016
Contributions:25 PRs, 123 pushes, 16 branches in 4 months
railsrubytwitter
koki-sato/dotfiles
May 2017 - Mar 2025
Contributions:95 pushes, 3 branches in 7 years 11 months
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