Yutaro Yamanaka
Software Developer at Technoprobe
Taipei, Taiwan
Summary
👤
Senior🎓
Top SchoolYutaro Yamanaka is a software developer with 8 years of engineering experience and 3.5 years focused on backend systems and cloud infrastructure, currently based in Taipei. He has built and operated high-throughput, production-grade services using Go and Python on Kubernetes and serverless platforms (AWS Lambda, API Gateway, DynamoDB) and designed a zero-downtime migration for 50M+ DynamoDB records. At Yahoo! JAPAN he worked on recommendation microservices with Cassandra and Prometheus-driven observability, and at OneAI he led cost-saving CDN/storage and push-notification initiatives serving 50K+ users. He contributes to notable open-source tooling around Kubernetes configuration (kustomize), improving plugin testing and YAML edge-case handling while validating container builds locally. Comfortable collaborating in English-speaking teams, he blends hands-on DevOps/test automation skills with a pragmatic focus on scalability, reliability, and low-cost operations.
8 years of coding experience
4 years of employment as a software developer
Master of Engineering - MEng Computer and Information Systems, Master of Engineering - MEng Computer and Information Systems at Keio University
Japanese, English, Chinese
Github Skills (11)
kustomize10
kubernetes10
go10
k8s10
kubernetes-pods10
cli10
testing10
dockers9
yaml9
docker9
cicd8
Programming languages (10)
Github contributions (5)
kubernetes-sigs/kustomize
Jan 2023 - Nov 2023
Customization of kubernetes YAML configurations
Role in this project:
DevOps Engineer & Test Automation Engineer
DevOps Engineer & Test Automation EngineerContributions:4 reviews, 4 PRs, 21 comments in 9 months
Contributions summary:Yutaro contributed significantly to the testing and functionality of Kustomize plugins. They re-enabled and tested existing container transformers and generators, focusing on integration with Kubernetes. Furthermore, the user added and modified test cases for existing transformers, especially concerning YAML alias handling within the plugin system, indicating a focus on code quality and edge case handling. They also set up a local docker build to test container images, demonstrating DevOps skills.
yamlcuelangkubectlkuberneteskubelet
yutaroyamanaka/marubatsu
Jun 2019 - Oct 2021
Marubatsu AI
Contributions:47 PRs, 52 pushes, 36 branches in 2 years 4 months
artificial-intelligencemachine-learning
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