heyman333 Yeongsu Han (zero)
Product Builder
EVIDENCE BASE
50
Repositories
2961
Commits
3495
Files analyzed
41
Technologies
391
Evidence
100
Active months
Based on 50 repository passports · 48/50 current
ENGINEERING PROFILE
Frontend79%
Backend20%
Testing56%
DevOps68%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 27/50 repos · 540 files · 29221 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 30/50 repos · 348 files · 33579 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 26/50 repos · 324 files · 23341 LOC
Depth 62 · HIGH
C++ Core
LANGUAGE · 10/50 repos · 286 files · 16519 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 46/50 repos · 260 files · 19136 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 40/50 repos · 197 files · 144637 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 22/50 repos · 69 files · 276063 LOC
Depth 69 · HIGH
SQL Recurring
LANGUAGE · 2/50 repos · 63 files · 5256 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 7/50 repos · 37 files · 1656 LOC
Depth 70 · HIGH
Swift Core
LANGUAGE · 4/50 repos · 36 files · 1537 LOC
Depth 70 · HIGH
Python Recurring
LANGUAGE · 2/50 repos · 34 files · 1762 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 15/50 repos · 34 files · 134190 LOC
Depth 80 · HIGH
npm Core
BUILD_TOOL · 32/50 repos · 32 files · 320 LOC
Depth 80 · HIGH
Java Core
LANGUAGE · 6/50 repos · 30 files · 1691 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 14/50 repos · 20 files · 7818 LOC
Depth 70 · HIGH
Gradle Core
LANGUAGE · 10/50 repos · 20 files · 1091 LOC
Depth 70 · HIGH
Yarn Core
BUILD_TOOL · 18/50 repos · 18 files · 180 LOC
Depth 80 · HIGH
NestJS Emerging
FRAMEWORK · 1/50 repos · 17 files · 553 LOC
Depth 78 · HIGH
Django Emerging
FRAMEWORK · 1/50 repos · 16 files · 368 LOC
Depth 93 · HIGH
Next.js Recurring
FRAMEWORK · 3/50 repos · 12 files · 4713 LOC
Depth 74 · HIGH
React Router Core
LIBRARY · 4/50 repos · 10 files · 646 LOC
Depth 62 · HIGH
Lodash Recurring
LIBRARY · 3/50 repos · 8 files · 592 LOC
Depth 74 · HIGH
Redux Recurring
LIBRARY · 3/50 repos · 8 files · 168 LOC
Depth 57 · HIGH
Shell Recurring
LANGUAGE · 2/50 repos · 5 files · 371 LOC
Depth 70 · HIGH
Spring Framework Emerging
FRAMEWORK · 1/50 repos · 5 files · 636 LOC
Depth 74 · HIGH
TOML Core
LANGUAGE · 4/50 repos · 5 files · 711 LOC
Depth 70 · HIGH
Express Emerging
FRAMEWORK · 1/50 repos · 4 files · 218 LOC
Depth 70 · HIGH
Axios Recurring
LIBRARY · 2/50 repos · 3 files · 148 LOC
Depth 48 · HIGH
Playwright Emerging
LIBRARY · 1/50 repos · 3 files · 559 LOC
Depth 66 · HIGH
Vite Recurring
BUILD_TOOL · 3/50 repos · 3 files · 16 LOC
Depth 36 · HIGH
pnpm Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Apache Kafka Recurring
MESSAGE_BROKER · 2/50 repos · 2 files · 18581 LOC
Depth 65 · HIGH
Webpack Recurring
BUILD_TOOL · 2/50 repos · 2 files · 167 LOC
Maven Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Supertest Emerging
TESTING · 1/50 repos · 1 files · 21 LOC
Depth 25 · HIGH
body-parser Emerging
LIBRARY · 1/50 repos · 1 files · 36 LOC
Depth 52 · HIGH
Jest Core
TESTING · 6/50 repos · 1 files · 28 LOC
JUnit Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
SLF4J Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Tailwind CSS Core
LIBRARY · 4/50 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
react-native-responsive-fontSize Prettier
markitdown-skill npm
jev-skill npm
hd-rotem UNKNOWN
jev-router npm
ACTIVITY & OWNERSHIP
Active months 100
Commits 2961
Owner authored 0%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JavaScript · ReactTeam
In 30 sec: direction — frontend, core — TypeScript · JavaScript · React, 50 repos 2016 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJavaScriptReactC++MarkdownTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 1812
Forks 164
Watchers 27
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 2961 commits · 3495 files · 391 evidence
Absence of a technology in the passport does not imply lack of experience