Chikashi Kato
Member Of Technical Staff at Samaya AI
Cupertino, California, United States
Summary
👤
Senior🎓
Top SchoolChikashi Kato is a seasoned full-stack engineer and technical leader with 11+ years of experience building and migrating large-scale systems, currently a Member of Technical Staff at Samaya AI in Cupertino. He has led complex modernizations—upgrading a 1.5M‑line Symfony PHP monolith to Symfony 5 and PHP 8.3, extracting key services into Go microservices, and architecting Kafka-based event pipelines—while mentoring teams and improving developer workflows. Comfortable across backend, DevOps and platform work, he has run large migrations, designed high-throughput services, and owned on-call reliability and observability. An active open-source contributor, he created slacktee (800+ stars) and contributed meaningful DevOps/UX improvements like file uploads and conditional coloring to simplify Slack integrations. Colleagues know him for rigorous code reviews, pragmatic automation (codemods, Terraform docs), and turning thorny legacy debt into stable, modern platforms.
11 years of coding experience
21 years of employment as a software developer
Master of Engineering (M.Eng.) Computer Engineering, Master of Engineering (M.Eng.) Computer Engineering at Tokyo Denki University
Japanese, English
Stackoverflow
161reputation
3kreached
1answer
3questions
Github Skills (15)
command-line-interface10
bash10
slack-api10
cli10
command-line10
file-upload9
configuration-management9
conditionals8
documentation8
logical8
android6
statusbar6
python6
google-app-engine6
fullscreen6
Programming languages (6)
Github contributions (5)
coursehero/slacktee
Nov 2014 - Jun 2021
slacktee is a bash script that works like tee command. Instead of writing the standard input to files, slacktee posts it to Slack.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:30 releases, 1 review, 115 commits in 6 years 7 months
Contributions summary:Chikashi primarily contributed to the bash script, `slacktee.sh`, which posts input to Slack. Their work involved adding features such as file upload capability and conditional coloring, improving the functionality of the core script. The user also addressed bugs and improved documentation and help messages to enhance usability and user experience. Furthermore, they made several improvements to handle configurations and command-line options, enhancing the usability of the script.
bashslack
coursehero/schema-registry
Jul 2019 - Dec 2019
A CLI and Go client for Kafka Schema Registry
Contributions:1 release, 8 PRs, 8 pushes in 5 months
golangavroschema-registrygo-clientdataops
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