hashrock hashrock
Tokyo-based hacker/artist
EVIDENCE BASE
50
Repositories
2216
Commits
7761
Files analyzed
34
Technologies
436
Evidence
71
Active months
Based on 50 repository passports · 50/50 current
ENGINEERING PROFILE
Frontend86%
Backend24%
Testing54%
DevOps76%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 39/50 repos · 6165 files · 277432 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 16/50 repos · 234 files · 32331 LOC
Depth 25 · HIGH
JSON Core
LANGUAGE · 41/50 repos · 185 files · 59445 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 22/50 repos · 184 files · 33921 LOC
Depth 74 · HIGH
Swift Core
LANGUAGE · 4/50 repos · 176 files · 38815 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 48/50 repos · 162 files · 10140 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 21/50 repos · 122 files · 23792 LOC
Depth 70 · HIGH
C++ Emerging
LANGUAGE · 1/50 repos · 95 files · 29837 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 35/50 repos · 73 files · 40584 LOC
Depth 70 · HIGH
SQL Core
LANGUAGE · 8/50 repos · 50 files · 595 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 36/50 repos · 36 files · 360 LOC
Depth 80 · HIGH
Vite Core
BUILD_TOOL · 31/50 repos · 34 files · 338 LOC
Depth 36 · HIGH
Vue Core
LANGUAGE · 7/50 repos · 33 files · 5964 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 16/50 repos · 31 files · 47563 LOC
Depth 61 · HIGH
JUnit Emerging
TESTING · 1/50 repos · 24 files · 4269 LOC
Depth 53 · HIGH
pnpm Core
BUILD_TOOL · 23/50 repos · 23 files · 230 LOC
Depth 80 · HIGH
Go Emerging
LANGUAGE · 1/50 repos · 22 files · 1141 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 6/50 repos · 22 files · 894 LOC
Depth 70 · HIGH
Rust Emerging
LANGUAGE · 1/50 repos · 12 files · 1536 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 5/50 repos · 10 files · 3510 LOC
Depth 37 · HIGH
Python Core
LANGUAGE · 4/50 repos · 9 files · 1054 LOC
Depth 70 · HIGH
Java Emerging
LANGUAGE · 1/50 repos · 6 files · 372 LOC
Depth 70 · HIGH
Redis Core
CACHE · 6/50 repos · 6 files · 20627 LOC
Depth 61 · HIGH
Zod Emerging
LIBRARY · 1/50 repos · 6 files · 787 LOC
Depth 74 · HIGH
Playwright Recurring
TESTING · 2/50 repos · 5 files · 421 LOC
PostgreSQL Core
DATABASE · 4/50 repos · 4 files · 11579 LOC
Depth 61 · HIGH
Tailwind CSS Core
LIBRARY · 11/50 repos · 2 files · 12 LOC
TOML Emerging
LANGUAGE · 1/50 repos · 2 files · 23 LOC
Depth 70 · HIGH
Cargo Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
NumPy Emerging
LIBRARY · 1/50 repos · 1 files · 109 LOC
Depth 58 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
React Router Emerging
LIBRARY · 1/50 repos · 1 files · 41 LOC
Depth 54 · HIGH
MongoDB Emerging
DATABASE · 1/50 repos · 1 files · 14910 LOC
Depth 65 · HIGH
Testing Library Recurring
TESTING · 2/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingabsent
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
md2sb-online npm
kv-sketchbook TypeScript
tabler-icons-tsx MongoDB
awesome-deno-kv Markdown
ono npm
textmanner-mind npm
canvas-textarea npm
honote npm
ACTIVITY & OWNERSHIP
Active months 71
Commits 2216
Owner authored 90%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · Vitest · JSONHigh ownership
In 30 sec: direction — frontend, core — TypeScript · Vitest · JSON, 50 repos 2014 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptVitestJSONReactSwiftHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 297
Forks 20
Watchers 14
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 2216 commits · 7761 files · 436 evidence
Absence of a technology in the passport does not imply lack of experience