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 (58)
google-api10
evaluation10
mlmodel10
grpc10
langchain9
docker-image9
dashboard9
observability9
mlflow9
minecraft9
apache-spark9
kubernetes9
ml9
machine-learning9
model-management9
Programming languages (8)
Github contributions (5)
abeja-inc/platform-template-tabledata-sklearn
Jul 2019 - Apr 2020
Contributions:16 PRs, 18 pushes, 18 branches in 9 months
rekcurd/rekcurd-client-example
Feb 2019 - Jul 2019
Contributions:2 releases, 13 commits, 2 PRs in 5 months
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