Masaki Muranaka
Owner at Monami-ya, LLC.
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolMasaki Muranaka is a Tokyo-based software engineer and entrepreneur with 14 years of hands-on experience building embedded systems, cloud tooling, and developer-facing software. As founder and technical lead of Monami-ya and previously Monami Software, he blends full-stack, DevOps, and hardware expertise—having owned roles from CEO to engineer—so he ships both product and infrastructure. An active open-source maintainer, he has improved core projects like mruby and Eclipse Che, contributing performance fixes, Kubernetes storage support, and stability enhancements used by developer platforms. His contributions span low-level C and embedded work to Android tooling and cloud UI/UX, showing a rare ability to navigate resource-constrained systems and large distributed environments. With a physics background from Tokyo University of Science, he brings analytical rigor to debugging and architecture decisions.
14 years of coding experience
1 year of employment as a software developer
物理学学士, Physics, 物理学学士, Physics at Tokyo University of Science
Japanese
Stackoverflow
111reputation
13kreached
2answers
1question
Github Skills (48)
code-optimization10
kubernetes10
maintenance10
c-language10
terminal-emulator10
c-programming10
software-quality10
java10
javas10
android10
kubernetes-pods10
code-cleanup10
cpp10
dmx51210
cprogramming-language10
Programming languages (24)
Github contributions (5)
mruby/mruby
May 2012 - Jun 2014
Lightweight Ruby
Role in this project:
Back-end Developer & Code Maintainer
Back-end Developer & Code MaintainerContributions:334 commits, 3 PRs, 3 comments in 2 years 1 month
Contributions summary:Masaki primarily focused on improving the codebase of the mruby project by addressing several issues. They corrected type mismatches in the code, fixed a typo in the parser, and removed redundant code declarations. Additionally, the user optimized loops, removed unused functions, and refactored code to improve performance and readability.
ruby
eclipse-che/che
Sep 2017 - Feb 2021
Kubernetes based Cloud Development Environments for Enterprise Teams
Role in this project:Full-stack & DevOps Engineer
Full-stack & DevOps EngineerContributions:10 reviews, 48 commits, 101 PRs in 3 years 6 months
Contributions summary:Masaki Muranaka's contributions primarily focused on improving the Che cloud development environment. They addressed bugs related to invalid null checks and browser crashes, enhancing the stability and user experience. Muranaka also implemented features like supporting PerWorkspacePVCStrategy for storage and adding Kubernetes-related elements to the UI. Furthermore, they made infrastructure changes, including configuring Traefik restarts and supporting machine tokens, indicating a DevOps focus.
cloud-idecontainerstheiacloudide
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