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Achievements

Achievement: QuickdrawAchievement: Pair Extraordinairex2Achievement: YOLOAchievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

Achievements

Achievement: QuickdrawAchievement: Pair Extraordinairex2Achievement: YOLOAchievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

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yhay81/README.md

Yusuke Hayashi

Zenn LinkedIn Mail

Profile Views GitHub Followers

I love building useful things with code, and I enjoy long rides on my road bike.

For consulting and project inquiries, see haya.company (AI implementation support & workflow improvement, end-to-end from scoping to production rollout).

Things I love

  • Shipping products end-to-end (backend / frontend / infra)
  • Improving developer experience (tooling, automation, documentation)
  • Designing scalable and maintainable systems (often on AWS)
  • Learning fast and sharing what I learn

Tech I enjoy

Python TypeScript React Next.js Vercel AWS Azure

Stats

Profile Details

GitHub Stats Top Languages

Productive Time Most Commit Language

GitHub Activity Graph

WakaTime (auto-updated)

Code Time

๐Ÿ“Š This Week I Spent My Time On

๐Ÿ’ฌ Programming Languages: 
Markdown                 67 hrs 5 mins       โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   48.77 % 
TypeScript               48 hrs 44 mins      โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   35.44 % 
JavaScript               5 hrs 7 mins        โ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   03.72 % 
JSON                     4 hrs 43 mins       โ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   03.44 % 
Python                   4 hrs 10 mins       โ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   03.04 % 

๐Ÿ”ฅ Editors: 
Cursor                   130 hrs 5 mins      โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘   94.57 % 
Claude Code              5 hrs 55 mins       โ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   04.30 % 
VS Code                  1 hr 27 mins        โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   01.06 % 
Antigravityide           5 mins              โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   00.07 %

Last Updated on 2026-06-18 16:08:28 UTC

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    Yusuke Hayashi's profile page

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    GitHub public profile

    1