ysknsid25 YKK
I'm not a fastener maker. I'm a maintainer of @open-circle @type-challenges
EVIDENCE BASE
50
Repositories
3336
Commits
1708
Files analyzed
40
Technologies
205
Evidence
51
Active months
Based on 50 repository passports · 26/50 current
ENGINEERING PROFILE
Frontend88%
Backend30%
Testing30%
DevOps73%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Python Recurring
LANGUAGE · 2/50 repos · 618 files · 13317 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 17/50 repos · 271 files · 95212 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 19/50 repos · 204 files · 24968 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 21/50 repos · 73 files · 79304 LOC
Depth 70 · HIGH
Rust Recurring
LANGUAGE · 3/50 repos · 51 files · 20338 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 14/50 repos · 38 files · 46333 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 15/50 repos · 30 files · 4075 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 4/50 repos · 28 files · 1959 LOC
Depth 74 · HIGH
React Core
FRAMEWORK · 7/50 repos · 26 files · 2950 LOC
Depth 74 · HIGH
Tokio Emerging
LIBRARY · 1/50 repos · 23 files · 13207 LOC
Depth 78 · HIGH
ESLint Core
QUALITY · 7/50 repos · 21 files · 61069 LOC
Depth 88 · HIGH
Go Recurring
LANGUAGE · 2/50 repos · 20 files · 1294 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 6/50 repos · 17 files · 3643 LOC
Depth 53 · HIGH
npm Core
BUILD_TOOL · 14/50 repos · 14 files · 140 LOC
Depth 80 · HIGH
Serde Emerging
LIBRARY · 1/50 repos · 9 files · 9409 LOC
Depth 74 · HIGH
XML Recurring
LANGUAGE · 2/50 repos · 9 files · 58 LOC
Depth 70 · HIGH
Prettier Recurring
QUALITY · 3/50 repos · 7 files · 42274 LOC
Depth 81 · HIGH
TOML Core
LANGUAGE · 4/50 repos · 7 files · 135 LOC
Depth 70 · HIGH
Shell Emerging
LANGUAGE · 1/50 repos · 6 files · 721 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 5/50 repos · 6 files · 195 LOC
Depth 70 · HIGH
Dockerfile Core
LANGUAGE · 4/50 repos · 4 files · 88 LOC
Depth 70 · HIGH
Cargo Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
PostgreSQL Recurring
DATABASE · 2/50 repos · 3 files · 1585 LOC
Depth 65 · HIGH
pnpm Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Zod Recurring
LIBRARY · 3/50 repos · 3 files · 2963 LOC
Depth 53 · HIGH
Go Modules Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Reqwest Emerging
LIBRARY · 1/50 repos · 2 files · 1298 LOC
Depth 62 · HIGH
Playwright Emerging
TESTING · 1/50 repos · 2 files · 36 LOC
Depth 56 · HIGH
Axum Emerging
FRAMEWORK · 1/50 repos · 2 files · 781 LOC
Depth 62 · HIGH
debug Emerging
LIBRARY · 1/50 repos · 1 files · 48 LOC
Depth 36 · HIGH
Testify Emerging
TESTING · 1/50 repos · 1 files · 34 LOC
Depth 27 · HIGH
Tailwind CSS Core
LIBRARY · 7/50 repos · 1 files · 31 LOC
SQL Emerging
LANGUAGE · 1/50 repos · 1 files · 212 LOC
Depth 70 · HIGH
MongoDB Emerging
DATABASE · 1/50 repos · 1 files · 51 LOC
Depth 61 · HIGH
Tokio Util Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Clap Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Mocha Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Testing Library Recurring
TESTING · 3/50 repos · 0 files · 0 LOC
Tracing Emerging
OBSERVABILITY · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
osyaburi JSON
npm-playground ESLint
travel-record npm
booby ESLint
conf npm
resume npm
japan-top-github-users TypeScript
ACTIVITY & OWNERSHIP
Active months 51
Commits 3336
Owner authored 100%
PRIMARY PROFILE — HR VIEW
BackendPython · TypeScript · MarkdownHigh ownership
In 30 sec: direction — backend, core — Python · TypeScript · Markdown, 50 repos 2022 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
PythonTypeScriptMarkdownJSONRustHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 47
Forks 9
Watchers 0
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 3336 commits · 1708 files · 205 evidence
Absence of a technology in the passport does not imply lack of experience