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Achievements

Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

Achievements

Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

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@arch8jp

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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 wearing many hats.

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)

๐Ÿ“Š This Week I Spent My Time On

๐Ÿ’ฌ Programming Languages: 
TypeScript               23 hrs 6 mins       โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   50.73 % 
Markdown                 12 hrs 13 mins      โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   26.86 % 
JSON                     5 hrs 8 mins        โ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   11.30 % 
YAML                     1 hr 51 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–‘   04.07 % 
CSS                      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–‘   02.02 % 

๐Ÿ”ฅ Editors: 
Cursor                   41 hrs 4 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–‘โ–‘   90.17 % 
Antigravity              4 hrs 28 mins       โ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   09.83 %

Last Updated on 2025-12-31 15:29:29 UTC

Pinned Loading

  1. profile profile Public

    Yusuke Hayashi's profile page

    TypeScript 1

  2. GASlacker GASlacker Public

    Google App Script interface for Slack API

    TypeScript 28 11

  3. code-sortings code-sortings Public

    ใ‚ฝใƒผใƒˆใ‚ขใƒซใ‚ดใƒชใ‚บใƒ ใ‚’ใ‚ณใƒผใƒ‡ใ‚ฃใƒณใ‚ฐ

    CSS 2

  4. pythonic-peano-arithmetic pythonic-peano-arithmetic Public

    Create algebra from Peano axioms

    Python 3

  5. ja-translation-todo ja-translation-todo Public

    ๆ—ฅๆœฌ่ชžใธใฎ็ฟป่จณใงใ‚ณใƒณใƒˆใƒชใƒ“ใƒฅใƒผใƒˆใงใใ‚‹GitHubใฎใƒชใƒใ‚ธใƒˆใƒชใƒชใ‚นใƒˆ

    36

  6. yhay81 yhay81 Public

    GitHub public profile

    1