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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)

Code Time

๐Ÿ“Š This Week I Spent My Time On

๐Ÿ’ฌ Programming Languages: 
TypeScript               15 hrs 39 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–‘   50.66 % 
Markdown                 10 hrs 6 mins       โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘โ–‘   32.72 % 
Other                    1 hr 53 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–‘   06.11 % 
MDX                      1 hr 3 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–‘   03.41 % 
JSON                     45 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–‘   02.43 % 

๐Ÿ”ฅ Editors: 
Cursor                   30 hrs 40 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–ˆ   99.21 % 
VS Code                  12 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–‘   00.65 % 
Antigravity              2 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–‘   00.14 %

Last Updated on 2026-01-13 15:03:33 UTC

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  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

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    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