krkarma777 YUJUN OH
KISS, YAGNI, DRY.
EVIDENCE BASE
40
Repositories
2714
Commits
2662
Files analyzed
57
Technologies
337
Evidence
16
Active months
Based on 40 repository passports · 35/40 current
ENGINEERING PROFILE
Frontend74%
Backend82%
Testing74%
DevOps82%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Java Core
LANGUAGE · 21/40 repos · 1040 files · 48604 LOC
Depth 70 · HIGH
Spring Framework Core
FRAMEWORK · 14/40 repos · 428 files · 20811 LOC
Depth 74 · HIGH
Lombok Core
LIBRARY · 12/40 repos · 295 files · 10896 LOC
Depth 74 · HIGH
Go Emerging
LANGUAGE · 1/40 repos · 292 files · 119053 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 23/40 repos · 188 files · 23094 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 15/40 repos · 98 files · 4434 LOC
Depth 70 · HIGH
JUnit Core
TESTING · 16/40 repos · 71 files · 3928 LOC
Depth 41 · HIGH
Markdown Core
LANGUAGE · 22/40 repos · 68 files · 9311 LOC
Depth 70 · HIGH
Spring Boot Core
FRAMEWORK · 14/40 repos · 64 files · 3093 LOC
Depth 66 · HIGH
Spring Security Core
SECURITY · 5/40 repos · 61 files · 4922 LOC
Depth 74 · HIGH
Gradle Core
LANGUAGE · 29/40 repos · 56 files · 917 LOC
Depth 70 · HIGH
Spring Data Core
LIBRARY · 7/40 repos · 55 files · 3141 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 11/40 repos · 50 files · 57078 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 14/40 repos · 49 files · 15000 LOC
Depth 70 · HIGH
Hibernate Core
LIBRARY · 8/40 repos · 43 files · 1867 LOC
Depth 62 · HIGH
NestJS Recurring
FRAMEWORK · 2/40 repos · 31 files · 645 LOC
Depth 78 · HIGH
Jackson Core
LIBRARY · 10/40 repos · 30 files · 3090 LOC
Depth 37 · HIGH
Python Core
LANGUAGE · 4/40 repos · 25 files · 4428 LOC
Depth 70 · HIGH
Mockito Core
TESTING · 6/40 repos · 16 files · 2161 LOC
Depth 53 · HIGH
YAML Core
LANGUAGE · 4/40 repos · 13 files · 2255 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 8/40 repos · 13 files · 37077 LOC
Depth 65 · HIGH
MongoDB Core
DATABASE · 10/40 repos · 11 files · 15302 LOC
Depth 61 · HIGH
Vitest Emerging
TESTING · 1/40 repos · 11 files · 986 LOC
Depth 53 · HIGH
npm Core
BUILD_TOOL · 9/40 repos · 9 files · 90 LOC
Depth 80 · HIGH
PostgreSQL Core
DATABASE · 8/40 repos · 7 files · 99 LOC
Depth 51 · HIGH
Express Recurring
FRAMEWORK · 2/40 repos · 7 files · 125 LOC
Depth 78 · HIGH
go-toml Emerging
LIBRARY · 1/40 repos · 6 files · 11054 LOC
Depth 93 · HIGH
NumPy Emerging
LIBRARY · 1/40 repos · 5 files · 1125 LOC
Depth 78 · HIGH
Next.js Recurring
FRAMEWORK · 2/40 repos · 5 files · 395 LOC
Depth 70 · HIGH
Prettier Recurring
QUALITY · 3/40 repos · 5 files · 30752 LOC
Depth 61 · HIGH
Redis Recurring
CACHE · 3/40 repos · 5 files · 14861 LOC
Depth 85 · HIGH
React Recurring
FRAMEWORK · 2/40 repos · 5 files · 508 LOC
Depth 74 · HIGH
JJWT Recurring
SECURITY · 3/40 repos · 4 files · 179 LOC
Depth 56 · HIGH
Maven Recurring
BUILD_TOOL · 3/40 repos · 3 files · 30 LOC
Depth 80 · HIGH
Svelte Emerging
LANGUAGE · 1/40 repos · 3 files · 477 LOC
Depth 70 · HIGH
Axios Recurring
LIBRARY · 2/40 repos · 3 files · 366 LOC
Depth 62 · HIGH
Vue Emerging
LANGUAGE · 1/40 repos · 3 files · 355 LOC
Depth 70 · HIGH
TOML Recurring
LANGUAGE · 2/40 repos · 3 files · 155 LOC
Depth 70 · HIGH
pip Recurring
BUILD_TOOL · 2/40 repos · 2 files · 20 LOC
Depth 80 · HIGH
Supertest Recurring
TESTING · 2/40 repos · 2 files · 40 LOC
Depth 25 · HIGH
Kotlin Emerging
LANGUAGE · 1/40 repos · 2 files · 77 LOC
Depth 70 · HIGH
Poetry Emerging
BUILD_TOOL · 1/40 repos · 1 files · 10 LOC
Depth 80 · HIGH
PowerShell Emerging
LANGUAGE · 1/40 repos · 1 files · 210 LOC
Depth 70 · HIGH
SQL Emerging
LANGUAGE · 1/40 repos · 1 files · 7 LOC
Depth 70 · HIGH
Shell Emerging
LANGUAGE · 1/40 repos · 1 files · 14 LOC
Depth 70 · HIGH
Morgan Emerging
OBSERVABILITY · 1/40 repos · 1 files · 27 LOC
Depth 45 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/40 repos · 1 files · 10 LOC
Depth 80 · HIGH
debug Recurring
LIBRARY · 2/40 repos · 1 files · 8400 LOC
Apache Commons Emerging
LIBRARY · 1/40 repos · 0 files · 0 LOC
Ruff Emerging
QUALITY · 1/40 repos · 0 files · 0 LOC
Passport Emerging
SECURITY · 1/40 repos · 0 files · 0 LOC
SLF4J Emerging
LIBRARY · 1/40 repos · 0 files · 0 LOC
Jest Recurring
TESTING · 2/40 repos · 0 files · 0 LOC
pytest Emerging
TESTING · 1/40 repos · 0 files · 0 LOC
Tailwind CSS Emerging
LIBRARY · 1/40 repos · 0 files · 0 LOC
pandas Emerging
LIBRARY · 1/40 repos · 0 files · 0 LOC
Webpack Emerging
BUILD_TOOL · 1/40 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
Leaf Gradle
online-store Jackson
WitchEndFE npm
CleanAirTracker Redis
string-diff npm
LeafNest NestJS
WitchEndTS NestJS
ACTIVITY & OWNERSHIP
Active months 16
Commits 2714
Owner authored 100%
PRIMARY PROFILE — HR VIEW
BackendJava · Spring Framework · LombokHigh ownership
In 30 sec: direction — backend, core — Java · Spring Framework · Lombok, 40 repos 2023 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaSpring FrameworkLombokGoTypeScriptHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 238
Forks 15
Watchers 32
EVERYTHING ABOVE IS TRACEABLE
40 repositories · 2714 commits · 2662 files · 337 evidence
Absence of a technology in the passport does not imply lack of experience