JacobLinCool JacobLinCool
NYCU IOC | Open Source Enthusiast | Ex-GDG on Campus Lead | NTNU CSIE Alum
EVIDENCE BASE
50
Repositories
8616
Commits
5752
Files analyzed
63
Technologies
609
Evidence
64
Active months
Based on 50 repository passports · 48/50 current
ENGINEERING PROFILE
Frontend77%
Backend45%
Testing81%
DevOps95%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 33/50 repos · 1732 files · 178563 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 7/50 repos · 1052 files · 171654 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 35/50 repos · 889 files · 18501701 LOC
Depth 70 · HIGH
Serde Core
LIBRARY · 6/50 repos · 736 files · 73494 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 48/50 repos · 439 files · 41676 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 12/50 repos · 374 files · 75800 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 43/50 repos · 160 files · 135179 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 13/50 repos · 142 files · 28096 LOC
Depth 45 · HIGH
Svelte Core
LANGUAGE · 7/50 repos · 132 files · 23628 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 29/50 repos · 104 files · 10354 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 25/50 repos · 80 files · 116175 LOC
Depth 69 · HIGH
ESLint Core
QUALITY · 28/50 repos · 74 files · 74536 LOC
Depth 77 · HIGH
NumPy Core
LIBRARY · 8/50 repos · 67 files · 13226 LOC
Depth 66 · HIGH
TOML Core
LANGUAGE · 21/50 repos · 52 files · 1243 LOC
Depth 70 · HIGH
Tokio Core
LIBRARY · 5/50 repos · 49 files · 33016 LOC
Depth 81 · HIGH
pytest Core
TESTING · 4/50 repos · 42 files · 6444 LOC
Depth 53 · HIGH
npm Core
BUILD_TOOL · 33/50 repos · 33 files · 330 LOC
Depth 80 · HIGH
pnpm Core
BUILD_TOOL · 30/50 repos · 30 files · 300 LOC
Depth 80 · HIGH
Zod Core
LIBRARY · 4/50 repos · 27 files · 3770 LOC
Depth 62 · HIGH
Shell Core
LANGUAGE · 10/50 repos · 24 files · 742 LOC
Depth 70 · HIGH
C++ Recurring
LANGUAGE · 2/50 repos · 24 files · 4104 LOC
Depth 70 · HIGH
React Recurring
FRAMEWORK · 2/50 repos · 24 files · 4122 LOC
Depth 74 · HIGH
debug Core
LIBRARY · 8/50 repos · 16 files · 8269 LOC
Depth 62 · HIGH
Vite Core
BUILD_TOOL · 13/50 repos · 12 files · 223 LOC
Vue Recurring
FRAMEWORK · 3/50 repos · 11 files · 926 LOC
Redis Recurring
CACHE · 2/50 repos · 11 files · 8982 LOC
Depth 61 · HIGH
Dockerfile Core
LANGUAGE · 11/50 repos · 11 files · 212 LOC
Depth 70 · HIGH
FastAPI Core
FRAMEWORK · 5/50 repos · 9 files · 3371 LOC
Depth 62 · HIGH
Go Emerging
LANGUAGE · 1/50 repos · 8 files · 1068 LOC
Depth 70 · HIGH
Poetry Core
BUILD_TOOL · 8/50 repos · 8 files · 80 LOC
Depth 80 · HIGH
SQL Recurring
LANGUAGE · 2/50 repos · 8 files · 247 LOC
Depth 70 · HIGH
Bytes Recurring
LIBRARY · 2/50 repos · 7 files · 3910 LOC
Reqwest Core
LIBRARY · 5/50 repos · 7 files · 10637 LOC
Cargo Core
BUILD_TOOL · 7/50 repos · 7 files · 70 LOC
Depth 80 · HIGH
Next.js Core
FRAMEWORK · 5/50 repos · 7 files · 2117 LOC
Depth 58 · HIGH
Playwright Recurring
TESTING · 3/50 repos · 6 files · 414 LOC
Depth 47 · HIGH
pip Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
uv Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
Axum Emerging
FRAMEWORK · 1/50 repos · 2 files · 4861 LOC
Depth 66 · HIGH
C Emerging
LANGUAGE · 1/50 repos · 2 files · 142 LOC
Depth 70 · HIGH
XML Recurring
LANGUAGE · 2/50 repos · 2 files · 17 LOC
Depth 70 · HIGH
Starlette Recurring
FRAMEWORK · 2/50 repos · 1 files · 664 LOC
PostgreSQL Emerging
DATABASE · 1/50 repos · 1 files · 2778 LOC
Depth 61 · HIGH
Requests Recurring
LIBRARY · 2/50 repos · 1 files · 193 LOC
Depth 58 · HIGH
Prisma Emerging
DATABASE · 1/50 repos · 1 files · 321 LOC
Depth 58 · HIGH
Uvicorn Recurring
LIBRARY · 3/50 repos · 1 files · 25 LOC
Go Modules Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Express Emerging
FRAMEWORK · 1/50 repos · 1 files · 164 LOC
Depth 58 · HIGH
Click Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
MarkupSafe Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Black Emerging
QUALITY · 1/50 repos · 0 files · 0 LOC
Pydantic Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
orjson Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
esbuild Recurring
BUILD_TOOL · 3/50 repos · 0 files · 0 LOC
Tracing Emerging
OBSERVABILITY · 1/50 repos · 0 files · 0 LOC
Jinja2 Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
HTTPX Recurring
LIBRARY · 3/50 repos · 0 files · 0 LOC
Clap Core
LIBRARY · 4/50 repos · 0 files · 0 LOC
Jest Core
TESTING · 7/50 repos · 0 files · 0 LOC
Tailwind CSS Recurring
LIBRARY · 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
Webpack Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
LeetCode-Stats-Card ESLint
d1-manager Prettier
node-cloudflared npm
LeetCode-Query npm
Myself-BBS-API npm
recaptcha-solver npm
smart-whisper npm
ACTIVITY & OWNERSHIP
Active months 64
Commits 8616
Owner authored 78%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · Rust · JSONCollaborative
In 30 sec: direction — frontend, core — TypeScript · Rust · JSON, 50 repos 2021 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptRustJSONSerdeMarkdownCollaborative
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 2468
Forks 634
Watchers 65
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 8616 commits · 5752 files · 609 evidence
Absence of a technology in the passport does not imply lack of experience