re-taro Rintaro Itokawa
Crazy for Web
EVIDENCE BASE
50
Repositories
9021
Commits
34630
Files analyzed
49
Technologies
446
Evidence
59
Active months
Based on 50 repository passports · 38/50 current
ENGINEERING PROFILE
Frontend86%
Backend28%
Testing76%
DevOps89%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
JavaScript Core
LANGUAGE · 29/50 repos · 14309 files · 2012499 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 28/50 repos · 5691 files · 15033933 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 34/50 repos · 5089 files · 2662384 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 33/50 repos · 1611 files · 176637 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 26/50 repos · 455 files · 659977 LOC
Depth 69 · HIGH
YAML Core
LANGUAGE · 36/50 repos · 270 files · 152432 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 4/50 repos · 236 files · 68181 LOC
Depth 70 · HIGH
Shell Recurring
LANGUAGE · 3/50 repos · 231 files · 15957 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 12/50 repos · 130 files · 6537 LOC
Depth 54 · HIGH
Redis Recurring
CACHE · 3/50 repos · 84 files · 132484 LOC
Depth 61 · HIGH
Prettier Core
QUALITY · 22/50 repos · 71 files · 167269 LOC
Depth 61 · HIGH
TOML Core
LANGUAGE · 15/50 repos · 53 files · 1617 LOC
Depth 70 · HIGH
Go Recurring
LANGUAGE · 2/50 repos · 32 files · 4062 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 5/50 repos · 31 files · 1412 LOC
Depth 54 · HIGH
npm Core
BUILD_TOOL · 31/50 repos · 31 files · 310 LOC
Depth 80 · HIGH
pnpm Core
BUILD_TOOL · 28/50 repos · 28 files · 280 LOC
Depth 80 · HIGH
Vitest Core
TESTING · 13/50 repos · 23 files · 2452 LOC
Depth 66 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 23 files · 50108 LOC
Depth 84 · HIGH
debug Core
LIBRARY · 5/50 repos · 22 files · 17030 LOC
Depth 62 · HIGH
Svelte Emerging
LANGUAGE · 1/50 repos · 17 files · 831 LOC
Depth 70 · HIGH
Playwright Recurring
TESTING · 2/50 repos · 12 files · 295 LOC
Depth 74 · HIGH
Vite Core
BUILD_TOOL · 8/50 repos · 12 files · 164 LOC
Webpack Core
BUILD_TOOL · 4/50 repos · 10 files · 556 LOC
Express Emerging
FRAMEWORK · 1/50 repos · 8 files · 777 LOC
Depth 78 · HIGH
XML Recurring
LANGUAGE · 2/50 repos · 8 files · 140 LOC
Depth 70 · HIGH
MongoDB Recurring
DATABASE · 3/50 repos · 7 files · 42585 LOC
Depth 61 · HIGH
Tokio Emerging
LIBRARY · 1/50 repos · 6 files · 1396 LOC
Depth 74 · HIGH
PostgreSQL Emerging
DATABASE · 1/50 repos · 6 files · 779 LOC
Depth 74 · HIGH
Flutter Emerging
FRAMEWORK · 1/50 repos · 4 files · 193 LOC
Depth 74 · HIGH
Dart Emerging
LANGUAGE · 1/50 repos · 4 files · 203 LOC
Depth 70 · HIGH
Cargo Core
BUILD_TOOL · 4/50 repos · 4 files · 40 LOC
Depth 80 · HIGH
Dockerfile Recurring
LANGUAGE · 2/50 repos · 4 files · 94 LOC
Depth 70 · HIGH
Gradle Recurring
LANGUAGE · 2/50 repos · 4 files · 97 LOC
Depth 70 · HIGH
Serde Recurring
LIBRARY · 2/50 repos · 3 files · 724 LOC
Axios Recurring
LIBRARY · 2/50 repos · 3 files · 233 LOC
Depth 62 · HIGH
Yarn Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Vue Emerging
FRAMEWORK · 1/50 repos · 3 files · 84 LOC
Depth 66 · HIGH
Elasticsearch Emerging
DATABASE · 1/50 repos · 2 files · 16083 LOC
Depth 69 · HIGH
C++ Recurring
LANGUAGE · 2/50 repos · 2 files · 186 LOC
Depth 70 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 2 files · 16999 LOC
Depth 72 · HIGH
Python Emerging
LANGUAGE · 1/50 repos · 1 files · 159 LOC
Depth 70 · HIGH
Zod Emerging
LIBRARY · 1/50 repos · 1 files · 192 LOC
Depth 58 · HIGH
Swift Emerging
LANGUAGE · 1/50 repos · 1 files · 12 LOC
Depth 70 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Kotlin Emerging
LANGUAGE · 1/50 repos · 1 files · 4 LOC
Depth 70 · HIGH
Reqwest Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Tracing Emerging
OBSERVABILITY · 1/50 repos · 0 files · 0 LOC
Clap Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
ACTIVITY & OWNERSHIP
Active months 59
Commits 9021
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendJavaScript · TypeScript · JSONHigh ownership
In 30 sec: direction — frontend, core — JavaScript · TypeScript · JSON, 50 repos 2021 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaScriptTypeScriptJSONMarkdownESLintHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 38
Forks 0
Watchers 19
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 9021 commits · 34630 files · 446 evidence
Absence of a technology in the passport does not imply lack of experience