Keigo Hattori
Manager at Apitore
Yokohama, Japan
Summary
👤
Senior🎓
Top SchoolKeigo Hattori is a seasoned engineering leader and founder with over 15 years of experience building MLOps platforms, developer-facing APIs, and cloud-native systems across startups and large tech firms. Currently heading Search and Discovery at Mercari, he blends hands-on engineering (Python, Go, React, Kubernetes, Istio) with strategic leadership—setting OKRs, restructuring teams, and improving SRE and CI/CD practices. He founded Apitore, an algorithm marketplace, and continues advising companies on MLOps, DevOps, and technical debt reduction using Terraform, KubeFlow, and observability tooling. Known for bilingual leadership (Japanese/English), he scales teams through coaching, structured hiring, and measurable service-level objectives. His background includes hands-on AutoML product development and operating a popular ML service platform (Rekcurd), showing a rare mix of product ownership and infrastructure expertise. Based in Yokohama with a Tohoku University MS, he welcomes offers above ~30M¥/ $400K and thrives on turning complex ML workflows into production-ready services.
10 years of coding experience
16 years of employment as a software developer
Bachelor of Science, Computer Science, Information Technology, Bachelor of Science, Computer Science, Information Technology at Tohoku UniversityMaster of Science, Computer Science, Computer and Information Sciences, Master of Science, Computer Science, Computer and Information Sciences at 東北大学 / Tohoku University
Chinese, Japanese
Github Skills (71)
python-client10
client-library10
deploying10
dvc10
google-api10
lifecycle10
wikipedia9
mlflow9
kubernetes-cluster9
ai9
api9
grpc9
daemonset9
dashboard9
apache-spark9
Programming languages (8)
Github contributions (5)
rekcurd/dashboard
Jul 2018 - Aug 2019
Project for managing ML model and deploying ML module. It can deploy the Rekcurd service to Kubernetes cluster.
Contributions:14 releases, 442 commits, 103 PRs in 1 year
deployinggrpcdockermachine-learningmlops
abeja-inc/platform-template-tabledata-sklearn
Jul 2019 - Apr 2020
Contributions:16 PRs, 18 pushes, 18 branches in 9 months
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