Hiro M
Product Designer
Summary
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RockstarHiro M is a Product Designer based in Japan with six years of experience focused on design systems and crafting cohesive product experiences. He blends practical system thinking with interface design to create scalable components that support consistent user journeys. Comfortable working across teams, he emphasizes reusable patterns and design infrastructure to speed product delivery. Though not a typical open-source loud contributor, his GitHub positioning suggests a disciplined, systems-first approach to design artifacts and documentation. Colleagues likely rely on him to translate complex product requirements into maintainable, developer-friendly UI systems.
6 years of coding experience
Github Skills (19)
javascript10
ios10
react-native10
browser-extension10
opera10
plug10
brave10
browser10
chrome-extension10
metamask10
firefox10
mobile-web10
chrome10
ethereum10
android10
Programming languages (1)
Github contributions (5)
MetaMask/design-tokens
Feb 2022 - Jul 2022
Design tokens to be used throughout MetaMask products
Contributions:16 reviews, 9 commits, 17 PRs in 5 months
metamaskdesign-tokenstokensdesign-system
MetaMask/metamask-design-system
Dec 2024 - Mar 2025
The design system for MetaMask products
Contributions:2 PRs, 6 pushes, 3 branches in 3 months
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