CaesiumY ChangSik Yoon
🛴On My Way!
EVIDENCE BASE
37
Repositories
2776
Commits
2636
Files analyzed
45
Technologies
227
Evidence
67
Active months
Based on 37 repository passports · 31/37 current
ENGINEERING PROFILE
Frontend70%
Backend35%
Testing48%
DevOps61%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Markdown Core
LANGUAGE · 31/37 repos · 520 files · 83152 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 10/37 repos · 492 files · 59913 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 20/37 repos · 384 files · 30347 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 20/37 repos · 153 files · 334159 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 8/37 repos · 97 files · 5509 LOC
Depth 74 · HIGH
Vitest Recurring
TESTING · 2/37 repos · 94 files · 17149 LOC
Depth 57 · HIGH
ESLint Core
QUALITY · 14/37 repos · 56 files · 307226 LOC
Depth 65 · HIGH
Next.js Core
FRAMEWORK · 5/37 repos · 54 files · 5659 LOC
Depth 81 · HIGH
YAML Core
LANGUAGE · 5/37 repos · 53 files · 24884 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 4/37 repos · 50 files · 1431 LOC
Depth 70 · HIGH
Vue Recurring
LANGUAGE · 3/37 repos · 42 files · 3681 LOC
Depth 70 · HIGH
Playwright Recurring
TESTING · 2/37 repos · 34 files · 4195 LOC
Depth 74 · HIGH
Django Emerging
FRAMEWORK · 1/37 repos · 34 files · 660 LOC
Depth 100 · HIGH
Prettier Core
QUALITY · 7/37 repos · 25 files · 153193 LOC
Depth 61 · HIGH
Rust Emerging
LANGUAGE · 1/37 repos · 21 files · 5131 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 16/37 repos · 16 files · 160 LOC
Depth 80 · HIGH
Webpack Recurring
BUILD_TOOL · 2/37 repos · 12 files · 775 LOC
Depth 54 · HIGH
NestJS Emerging
FRAMEWORK · 1/37 repos · 11 files · 315 LOC
Depth 78 · HIGH
Redis Core
CACHE · 5/37 repos · 7 files · 28247 LOC
Depth 65 · HIGH
Tokio Emerging
LIBRARY · 1/37 repos · 6 files · 2343 LOC
Depth 74 · HIGH
Yarn Core
BUILD_TOOL · 6/37 repos · 6 files · 60 LOC
Depth 80 · HIGH
React Router Recurring
LIBRARY · 2/37 repos · 6 files · 219 LOC
Depth 66 · HIGH
Serde Emerging
LIBRARY · 1/37 repos · 5 files · 1721 LOC
Depth 74 · HIGH
Axios Recurring
LIBRARY · 3/37 repos · 5 files · 210 LOC
Depth 58 · HIGH
pnpm Core
BUILD_TOOL · 4/37 repos · 4 files · 40 LOC
Depth 80 · HIGH
Express Emerging
FRAMEWORK · 1/37 repos · 4 files · 197 LOC
Depth 74 · HIGH
Requests Emerging
LIBRARY · 1/37 repos · 3 files · 45 LOC
Depth 64 · HIGH
Morgan Emerging
OBSERVABILITY · 1/37 repos · 3 files · 183 LOC
Depth 66 · HIGH
pip Recurring
BUILD_TOOL · 3/37 repos · 3 files · 30 LOC
Depth 80 · HIGH
Lodash Emerging
LIBRARY · 1/37 repos · 2 files · 32 LOC
Depth 55 · HIGH
Shell Recurring
LANGUAGE · 2/37 repos · 2 files · 264 LOC
Depth 70 · HIGH
PowerShell Recurring
LANGUAGE · 2/37 repos · 2 files · 241 LOC
Depth 70 · HIGH
Vite Recurring
BUILD_TOOL · 2/37 repos · 2 files · 197 LOC
Depth 54 · HIGH
XML Emerging
LANGUAGE · 1/37 repos · 2 files · 9 LOC
Depth 70 · HIGH
MongoDB Recurring
DATABASE · 2/37 repos · 2 files · 18426 LOC
Depth 61 · HIGH
TOML Recurring
LANGUAGE · 2/37 repos · 2 files · 28 LOC
Depth 70 · HIGH
Cargo Emerging
BUILD_TOOL · 1/37 repos · 1 files · 10 LOC
Depth 80 · HIGH
Supertest Emerging
TESTING · 1/37 repos · 1 files · 75 LOC
Depth 37 · HIGH
NumPy Emerging
LIBRARY · 1/37 repos · 1 files · 255 LOC
Depth 58 · HIGH
Tailwind CSS Core
LIBRARY · 7/37 repos · 1 files · 90 LOC
PostgreSQL Emerging
DATABASE · 1/37 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/37 repos · 0 files · 0 LOC
Reqwest Emerging
LIBRARY · 1/37 repos · 0 files · 0 LOC
Testing Library Core
TESTING · 4/37 repos · 0 files · 0 LOC
ASGIRef Emerging
LIBRARY · 1/37 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
nexthree-fiber Next.js
notion-api-blog Next.js
rocky-skills pip
dding-dong ESLint
javascript-with-etc Markdown
notion-blog-v2 Next.js
agents-md-optimizer Markdown
ACTIVITY & OWNERSHIP
Active months 67
Commits 2776
Owner authored 98%
PRIMARY PROFILE — HR VIEW
FrontendMarkdown · TypeScript · JavaScriptHigh ownership
In 30 sec: direction — frontend, core — Markdown · TypeScript · JavaScript, 37 repos 2018 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
MarkdownTypeScriptJavaScriptJSONReactHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 125
Forks 12
Watchers 5
EVERYTHING ABOVE IS TRACEABLE
37 repositories · 2776 commits · 2636 files · 227 evidence
Absence of a technology in the passport does not imply lack of experience