Yoshimuta Yohei
Software Engineer at Parallel
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolYoshimuta Yohei is a Tokyo-based software engineer with 11 years of experience building reliable back-end systems and DevOps workflows for startups and established teams. He currently develops voice-chat and real-time features at Parallel and has a track record at companies including FreakOut and GREE. An active open-source contributor, he has improved production tooling and monitoring plugins (mackerel-agent-plugins) and helped harden Vitess containerized examples and VStream behavior for scaled MySQL deployments. His background—an MSc in Media Design and a BA in Law—gives him a multidisciplinary perspective that blends user-centered systems thinking with pragmatic engineering. Colleagues rely on him for thoughtful test coverage and practical fixes that keep complex services healthy in production.
11 years of coding experience
9 years of employment as a software developer
学士, 法学, 学士, 法学 at 慶應義塾大学法学部法律学科修士, メディアデザイン, 修士, メディアデザイン at 慶應義塾大学大学院メディアデザイン研究科
Github Skills (16)
golang10
kubernetes10
docker10
go10
database-cluster10
redis10
dockers10
kubernetes-pods10
testing10
mysql9
metric9
ack9
databases8
database8
sql8
Programming languages (15)
Github contributions (5)
mackerelio/mackerel-agent-plugins
Oct 2016 - Jun 2017
Plugins for mackerel-agent
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:6 commits, 3 PRs, 6 comments in 7 months
Contributions summary:Yoshimuta primarily worked on the `mackerel-agent-plugins` repository, focusing on the implementation and testing of plugins. Their contributions included bug fixes for the Redis plugin, specifically addressing issues with fetching metrics related to keys and expired entries. They also implemented a new plugin for Twemproxy and another for Redash, which involved writing test cases and ensuring correct metric retrieval.
golangagentmackerel-agentmackerelmetrics
vitessio/vitess
Jul 2022 - Dec 2022
Vitess is a database clustering system for horizontal scaling of MySQL.
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:83 reviews, 3 commits, 8 PRs in 4 months
Contributions summary:Yoshimuta primarily contributed to the `vitessio/vitess` repository by modifying and improving the project's examples and configuration files, particularly related to Docker Compose and database setup. The contributions focus on ensuring the proper functionality and healthy operation of the Vitess database clustering system within a containerized environment. The user also made changes to the VStream API, focusing on copy operations, and introduced improvements to related tests.
mysqltidbhorizontal-scalingsqlvitess
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