Yusuke Kato
Technology Incubation Technology Products Owner
Saitama Prefecture, Japan
Summary
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Rockstar🎓
Top SchoolYusuke Kato is a technology product owner and incubation lead with 11 years of experience building high-performance distributed systems and developer platforms at Yahoo/Japan and LINE Yahoo. He founded and tech-led the open-source Vald project, a highly scalable distributed vector search engine, contributing core agent performance, memory optimizations, storage improvements, and robust gRPC health checks. Proficient in Go, Rust, C/C++, Dart, Nim, Elm and Kubernetes, he blends low-level systems engineering with product-driven R&D to move research into production. Based in Saitama, Japan, he has a background in physics which informs a methodical, measurement-driven approach to performance tuning and CI/CD automation. Notably, he has driven company-wide Go adoption and internal tech branding while operating as a hands-on engineering lead in special SWAT units.
11 years of coding experience
8 years of employment as a software developer
学士, 物理学, 学士, 物理学 at 東海大学
Github Skills (11)
error-handling10
debug10
go10
devops10
performance-optimization10
grpc10
architecture9
architectures9
kubernetes8
kubernetes-pods8
continuous-integration8
Programming languages (17)
Github contributions (5)
vdaas/vald
Dec 2020 - Jan 2023
Vald. A Highly Scalable Distributed Vector Search Engine
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:1 release, 1312 reviews, 189 commits in 2 years 1 month
Contributions summary:Yusuke primarily focused on bug fixes and performance improvements related to the Vald agent's core functionality. Their contributions involved debugging data update execution, modifying gRPC client connections, and refactoring the code to enhance performance and reduce memory usage. The user also introduced updates to the agent's file-based index storage and improved its handling, alongside contributions to improve build processes with better error handling and incorporating gRPC health checks.
high-dimensional-dataapproximate-nearest-neighbor-searchsimilarity-searchimage-search-enginevector
kpango/go-json-bench
Apr 2018 - Mar 2023
Contributions:4 pushes, 1 branch, 1 comment in 4 years 11 months
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