Takuma Shibuya
Japan
Summary
🤩
Rockstar🎓
Top SchoolTakuma Shibuya is a software engineer based in Japan with six years of hands-on experience building cloud-native systems and developer tools, primarily using Go (and recent work in Rust/wasm). He has contributed to major open-source projects in the Kubernetes and Go ecosystems—including cluster-api, kube-scheduler-simulator, argo-cd and golangci-lint—focusing on code quality, testing, dependency upgrades, and practical DevOps integrations. In industry roles at PLAID, CyberAgent and KAUCHE he has shipped backend systems, DSP components on AWS, and OSS/SaaS features, while also organizing the Go community as a Go Conference main organizer and CyberAgent Go Next expert. Known for pragmatic refactors and improving linting/testing pipelines, he describes himself wryly as a “mistake maker,” signaling a learning-focused, iterative approach to engineering.
6 years of coding experience
1 year of employment as a software developer
Meiji Gakuin University
Github Skills (50)
continuous-deployment10
api-rest10
kubernetes10
container10
static-analysis10
golangci-lint10
back-end-development10
api-design10
restful-api10
lifecycle10
testing10
cicd10
gitops10
go10
lint10
Programming languages (14)
Github contributions (5)
TechBowl-japan/go-stations
Mar 2022 - Dec 2022
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:28 commits, 5 PRs in 9 months
Contributions summary:Takuma primarily contributed to the back-end functionality and testing of the `go-stations` repository. They focused on refactoring code, separating the router package, and fixing various test cases. The user also implemented unit tests to ensure the application's core functionalities and API endpoints function as expected. The user's work demonstrates a focus on code quality and the maintenance of a robust testing strategy.
golangnodejssqlite3yarn
kubernetes-sigs/kube-scheduler-simulator
Dec 2021 - Feb 2022
The simulator for the Kubernetes scheduler
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:34 reviews, 9 commits, 14 PRs in 2 months
Contributions summary:Takuma contributed significantly to the simulator's functionality, introducing a "reset" feature for cleaning up resources and configurations. They implemented this reset function across the backend and the web UI, involving modifications to the server-side code and front-end components. The user also addressed code quality through linting, fixed error messages, and optimized code structure, including changes to scheduler configurations, testing, and overall service implementation.
schedulerweb-basedk8s-sig-schedulingsimulationkubernetes-scheduler
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