jungyeons JungYeon Bae
EVIDENCE BASE
50
Repositories
1590
Commits
3990
Files analyzed
51
Technologies
321
Evidence
30
Active months
Based on 50 repository passports · 45/50 current
ENGINEERING PROFILE
Frontend44%
Backend66%
Testing37%
DevOps44%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Java Core
LANGUAGE · 27/50 repos · 938 files · 34981 LOC
Depth 70 · HIGH
Lombok Core
LIBRARY · 7/50 repos · 268 files · 13234 LOC
Depth 93 · HIGH
Spring Framework Core
FRAMEWORK · 14/50 repos · 260 files · 15456 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 10/50 repos · 194 files · 16385 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 15/50 repos · 180 files · 10052 LOC
Depth 44 · HIGH
React Core
FRAMEWORK · 5/50 repos · 172 files · 18634 LOC
Depth 69 · HIGH
Markdown Core
LANGUAGE · 43/50 repos · 158 files · 12696 LOC
Depth 70 · HIGH
Spring Boot Core
FRAMEWORK · 14/50 repos · 76 files · 1464 LOC
Depth 66 · HIGH
Gradle Core
LANGUAGE · 14/50 repos · 65 files · 955 LOC
Depth 70 · HIGH
C Emerging
LANGUAGE · 1/50 repos · 60 files · 1465 LOC
Depth 70 · HIGH
Spring Data Core
LIBRARY · 7/50 repos · 60 files · 2053 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 11/50 repos · 59 files · 7184 LOC
Depth 70 · HIGH
Hibernate Core
LIBRARY · 10/50 repos · 55 files · 2523 LOC
Depth 58 · HIGH
Spring Security Core
SECURITY · 4/50 repos · 55 files · 4872 LOC
Depth 93 · HIGH
JUnit Core
TESTING · 15/50 repos · 54 files · 1307 LOC
Depth 45 · HIGH
SQL Core
LANGUAGE · 7/50 repos · 52 files · 10002 LOC
Depth 70 · HIGH
React Router Recurring
LIBRARY · 2/50 repos · 49 files · 7386 LOC
Depth 78 · HIGH
YAML Core
LANGUAGE · 16/50 repos · 41 files · 7196 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 10/50 repos · 33 files · 140681 LOC
Depth 70 · HIGH
Swift Recurring
LANGUAGE · 2/50 repos · 30 files · 3806 LOC
Depth 70 · HIGH
Jackson Core
LIBRARY · 5/50 repos · 26 files · 3228 LOC
Depth 74 · HIGH
Python Core
LANGUAGE · 4/50 repos · 22 files · 4198 LOC
Depth 70 · HIGH
PostgreSQL Core
DATABASE · 6/50 repos · 17 files · 1114 LOC
Depth 65 · HIGH
ESLint Core
QUALITY · 4/50 repos · 11 files · 17315 LOC
Depth 84 · HIGH
Micrometer Emerging
OBSERVABILITY · 1/50 repos · 10 files · 259 LOC
Depth 74 · HIGH
Dockerfile Core
LANGUAGE · 6/50 repos · 10 files · 124 LOC
Depth 70 · HIGH
Maven Core
BUILD_TOOL · 9/50 repos · 9 files · 90 LOC
Depth 80 · HIGH
Axios Recurring
LIBRARY · 3/50 repos · 7 files · 483 LOC
Depth 78 · HIGH
Vue Emerging
LANGUAGE · 1/50 repos · 7 files · 506 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
Vite Recurring
BUILD_TOOL · 3/50 repos · 4 files · 279 LOC
Depth 66 · HIGH
JJWT Recurring
SECURITY · 2/50 repos · 3 files · 129 LOC
Depth 57 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 3 files · 146 LOC
Depth 85 · HIGH
pip Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Prettier Emerging
QUALITY · 1/50 repos · 2 files · 5873 LOC
Depth 65 · HIGH
Requests Emerging
LIBRARY · 1/50 repos · 1 files · 88 LOC
Depth 58 · HIGH
Pydantic Emerging
LIBRARY · 1/50 repos · 1 files · 65 LOC
Depth 58 · HIGH
MongoDB Emerging
DATABASE · 1/50 repos · 1 files · 74 LOC
Depth 65 · HIGH
pnpm Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Shell Emerging
LANGUAGE · 1/50 repos · 1 files · 31 LOC
Depth 70 · HIGH
Vitest Recurring
TESTING · 2/50 repos · 1 files · 6 LOC
Depth 19 · HIGH
Flask Emerging
FRAMEWORK · 1/50 repos · 1 files · 225 LOC
Depth 54 · HIGH
debug Emerging
LIBRARY · 1/50 repos · 1 files · 639 LOC
Depth 58 · HIGH
Express Emerging
FRAMEWORK · 1/50 repos · 1 files · 23 LOC
Depth 47 · HIGH
Mockito Emerging
TESTING · 1/50 repos · 1 files · 33 LOC
Depth 30 · HIGH
FastAPI Emerging
FRAMEWORK · 1/50 repos · 1 files · 65 LOC
Depth 58 · HIGH
Flyway Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Zod Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
SLF4J Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Tailwind CSS Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
iOSAppHackingLab Swift
spring-daily-lab Gradle
zoop-backend PostgreSQL
Korean-German-community-Site Markdown
info-security-engineer-notes Markdown
InsuranceSystem TypeScript
book-back Lombok
book-front ESLint
ACTIVITY & OWNERSHIP
Active months 30
Commits 1590
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendJava · Lombok · Spring FrameworkHigh ownership
In 30 sec: direction — frontend, core — Java · Lombok · Spring Framework, 50 repos 2021 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaLombokSpring FrameworkJavaScriptTypeScriptHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 9
Forks 8
Watchers 32
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 1590 commits · 3990 files · 321 evidence
Absence of a technology in the passport does not imply lack of experience