ryo-manba Ryo Matsukawa
Web developer / Member of @pnpm and @stylelint. ex-@heroui-inc
EVIDENCE BASE
50
Repositories
4529
Commits
6434
Files analyzed
68
Technologies
390
Evidence
68
Active months
Based on 50 repository passports · 50/50 current
ENGINEERING PROFILE
Frontend56%
Backend32%
Testing46%
DevOps60%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
C++ Core
LANGUAGE · 18/50 repos · 1261 files · 53040 LOC
Depth 70 · HIGH
C Core
LANGUAGE · 12/50 repos · 781 files · 33634 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 21/50 repos · 638 files · 35743 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 24/50 repos · 416 files · 75909 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 49/50 repos · 211 files · 20095 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 12/50 repos · 130 files · 12191 LOC
Depth 49 · HIGH
JavaScript Core
LANGUAGE · 20/50 repos · 113 files · 10023 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 23/50 repos · 76 files · 77200 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 15/50 repos · 76 files · 103262 LOC
Depth 77 · HIGH
Next.js Core
FRAMEWORK · 7/50 repos · 75 files · 6040 LOC
Depth 51 · HIGH
SQL Core
LANGUAGE · 4/50 repos · 64 files · 969 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 16/50 repos · 62 files · 1559 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 4/50 repos · 42 files · 4755 LOC
Depth 70 · HIGH
Go Recurring
LANGUAGE · 2/50 repos · 35 files · 2398 LOC
Depth 70 · HIGH
Axios Recurring
LIBRARY · 2/50 repos · 35 files · 2181 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 5/50 repos · 32 files · 2409 LOC
Depth 53 · HIGH
Ruby Emerging
LANGUAGE · 1/50 repos · 32 files · 425 LOC
Depth 70 · HIGH
debug Emerging
LIBRARY · 1/50 repos · 32 files · 2533 LOC
Depth 74 · HIGH
Prettier Core
QUALITY · 12/50 repos · 30 files · 57915 LOC
Depth 65 · HIGH
NestJS Emerging
FRAMEWORK · 1/50 repos · 29 files · 3755 LOC
Depth 74 · HIGH
Java Emerging
LANGUAGE · 1/50 repos · 28 files · 867 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 19/50 repos · 19 files · 190 LOC
Depth 80 · HIGH
Prisma Emerging
DATABASE · 1/50 repos · 16 files · 2813 LOC
Depth 78 · HIGH
pnpm Core
BUILD_TOOL · 13/50 repos · 13 files · 130 LOC
Depth 80 · HIGH
Vite Core
BUILD_TOOL · 4/50 repos · 11 files · 261 LOC
Depth 78 · HIGH
Redis Core
CACHE · 6/50 repos · 11 files · 39593 LOC
Depth 73 · HIGH
Dockerfile Core
LANGUAGE · 5/50 repos · 11 files · 137 LOC
Depth 70 · HIGH
Tailwind CSS Core
LIBRARY · 5/50 repos · 10 files · 179 LOC
Express Recurring
FRAMEWORK · 2/50 repos · 9 files · 522 LOC
Depth 74 · HIGH
pytest Recurring
TESTING · 2/50 repos · 9 files · 884 LOC
Depth 74 · HIGH
Ruby on Rails Emerging
FRAMEWORK · 1/50 repos · 8 files · 86 LOC
Depth 81 · HIGH
GraphQL Emerging
LIBRARY · 1/50 repos · 6 files · 235 LOC
Depth 74 · HIGH
Zod Recurring
LIBRARY · 2/50 repos · 6 files · 1667 LOC
Depth 57 · HIGH
TOML Core
LANGUAGE · 6/50 repos · 6 files · 115 LOC
Depth 70 · HIGH
PostgreSQL Recurring
DATABASE · 3/50 repos · 5 files · 85 LOC
Depth 47 · HIGH
Vue Recurring
LANGUAGE · 2/50 repos · 5 files · 305 LOC
Depth 70 · HIGH
XML Recurring
LANGUAGE · 2/50 repos · 4 files · 105 LOC
Depth 70 · HIGH
Rust Recurring
LANGUAGE · 2/50 repos · 3 files · 1499 LOC
Depth 70 · HIGH
Socket.IO Emerging
LIBRARY · 1/50 repos · 3 files · 1428 LOC
Depth 66 · HIGH
Spring Framework Emerging
FRAMEWORK · 1/50 repos · 3 files · 141 LOC
Depth 66 · HIGH
Click Recurring
LIBRARY · 2/50 repos · 2 files · 368 LOC
Depth 66 · HIGH
Spring Boot Emerging
FRAMEWORK · 1/50 repos · 2 files · 18 LOC
Depth 49 · HIGH
Poetry Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
uv Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Cargo Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Yarn Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
JUnit Emerging
TESTING · 1/50 repos · 2 files · 58 LOC
Depth 45 · HIGH
Go Modules Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Testify Emerging
TESTING · 1/50 repos · 2 files · 638 LOC
Depth 41 · HIGH
Serde Emerging
LIBRARY · 1/50 repos · 1 files · 330 LOC
Depth 58 · HIGH
Maven Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
pip Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Pydantic Emerging
LIBRARY · 1/50 repos · 1 files · 106 LOC
Depth 58 · HIGH
Bundler Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Supertest Emerging
TESTING · 1/50 repos · 1 files · 20 LOC
Depth 25 · HIGH
python-dotenv Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
MarkupSafe Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Requests Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
NumPy Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Werkzeug Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Jinja2 Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
HTTPX Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
itsdangerous Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Flask Emerging
FRAMEWORK · 1/50 repos · 0 files · 0 LOC
Jest Recurring
TESTING · 2/50 repos · 0 files · 0 LOC
Testing Library Recurring
TESTING · 3/50 repos · 0 files · 0 LOC
pandas Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
typing_extensions Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
data-anim Vite
md-review ESLint
cron-visualizer ESLint
projava17 PostgreSQL
data-chart npm
zenn-content npm
stylelint-mcp ESLint
ACTIVITY & OWNERSHIP
Active months 68
Commits 4529
Owner authored 93%
PRIMARY PROFILE — HR VIEW
FrontendC++ · C · TypeScriptHigh ownership
In 30 sec: direction — frontend, core — C++ · C · TypeScript, 50 repos 2021 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
C++CTypeScriptJSONMarkdownHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 174
Forks 23
Watchers 47
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 4529 commits · 6434 files · 390 evidence
Absence of a technology in the passport does not imply lack of experience