Koki Hatano
Software Engineer at st-tech
Japan
Summary
🤩
Rockstar🎓
Top SchoolKoki Hatano is a software engineer with about a decade of experience specializing in backend and cloud-native systems, notably architecting microservices for a high-traffic e-commerce platform with 30M+ users and 40k req/s. He has led cross-functional backend projects—from organization-wide login security and API Gateway rate-limiting to initial user-microservice releases and complex data migrations—while introducing Scrum and serving as tech lead for new business initiatives. Strong in Go, Python, Java, Kubernetes, AWS and IaC, he repeatedly reduces operational toil through automation (e.g., canary release automation cutting release toil by 90%) and builds SRE tooling, publishing a Kubernetes-native mocking OSS that cut load-test toil by 80%. Based in Japan and available for full-remote work from Singapore (1-hour Japan time difference), he combines hands-on implementation with mentoring and written contributions, including a Software Design article and 60+ technical posts on Qiita that have garnered extensive attention.
8 years of coding experience
10 years of employment as a software developer
Master's degree, CS, Master's degree, CS at 明治大学
Stackoverflow
305reputation
110kreached
3answers
1question
Github Skills (68)
api-client10
swagger10
rest-client10
openapi-generator10
rest-api10
openapi10
stubs10
api10
sdk10
rest10
api-server10
spec10
restful-api10
generator10
validation9
Programming languages (5)
Github contributions (5)
gold-kou/ToeBeans
Sep 2020 - Dec 2023
Contributions:108 PRs, 109 pushes, 56 branches in 3 years 3 months
gold-kou/face-audition-johnnys
May 2018 - Sep 2020
Contributions:13 commits, 2 PRs, 10 pushes in 2 years 4 months
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