0n1ght Karol Kasperek
Developer, Pentester, Entrepreneur
EVIDENCE BASE
21
Repositories
493
Commits
763
Files analyzed
29
Technologies
151
Evidence
33
Active months
Based on 21 repository passports · 21/21 current
ENGINEERING PROFILE
Frontend38%
Backend71%
Testing47%
DevOps61%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Java Core
LANGUAGE · 11/21 repos · 296 files · 10136 LOC
Depth 70 · HIGH
Spring Framework Core
FRAMEWORK · 7/21 repos · 91 files · 4047 LOC
Depth 93 · HIGH
Lombok Core
LIBRARY · 4/21 repos · 64 files · 2572 LOC
Depth 74 · HIGH
TypeScript Core
LANGUAGE · 8/21 repos · 41 files · 521 LOC
Depth 74 · HIGH
JUnit Core
TESTING · 8/21 repos · 29 files · 1998 LOC
Depth 53 · HIGH
Python Core
LANGUAGE · 5/21 repos · 29 files · 1095 LOC
Depth 70 · HIGH
Spring Security Core
SECURITY · 4/21 repos · 28 files · 1775 LOC
Depth 93 · HIGH
Markdown Core
LANGUAGE · 21/21 repos · 26 files · 419 LOC
Depth 70 · HIGH
Mockito Core
TESTING · 6/21 repos · 22 files · 1899 LOC
Depth 53 · HIGH
Spring Data Core
LIBRARY · 4/21 repos · 20 files · 509 LOC
Depth 74 · HIGH
Hibernate Core
LIBRARY · 4/21 repos · 19 files · 585 LOC
Depth 74 · HIGH
JSON Recurring
LANGUAGE · 3/21 repos · 18 files · 7068 LOC
Depth 70 · HIGH
JavaScript Recurring
LANGUAGE · 2/21 repos · 17 files · 598 LOC
Depth 70 · HIGH
Spring Boot Core
FRAMEWORK · 7/21 repos · 15 files · 283 LOC
Depth 50 · HIGH
XML Core
LANGUAGE · 9/21 repos · 13 files · 868 LOC
Depth 70 · HIGH
React Recurring
FRAMEWORK · 2/21 repos · 10 files · 418 LOC
Depth 74 · HIGH
Maven Core
BUILD_TOOL · 9/21 repos · 9 files · 90 LOC
Depth 80 · HIGH
PostgreSQL Core
DATABASE · 4/21 repos · 4 files · 88 LOC
Depth 60 · HIGH
ESLint Recurring
QUALITY · 2/21 repos · 4 files · 6987 LOC
Depth 65 · HIGH
React Router Emerging
LIBRARY · 1/21 repos · 4 files · 179 LOC
Depth 70 · HIGH
C Emerging
LANGUAGE · 1/21 repos · 3 files · 149 LOC
Depth 70 · HIGH
Jackson Recurring
LIBRARY · 3/21 repos · 3 files · 226 LOC
Depth 62 · HIGH
pip Recurring
BUILD_TOOL · 3/21 repos · 3 files · 30 LOC
Depth 80 · HIGH
npm Recurring
BUILD_TOOL · 2/21 repos · 2 files · 20 LOC
Depth 80 · HIGH
Vite Recurring
BUILD_TOOL · 2/21 repos · 2 files · 10 LOC
Depth 36 · HIGH
pandas Emerging
LIBRARY · 1/21 repos · 2 files · 86 LOC
Depth 62 · HIGH
JJWT Recurring
SECURITY · 2/21 repos · 2 files · 132 LOC
Depth 58 · HIGH
Requests Emerging
LIBRARY · 1/21 repos · 1 files · 9 LOC
Depth 41 · HIGH
typing_extensions Emerging
LIBRARY · 1/21 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingabsent
continuous_integrationabsent
Not observed ≠ does not know
PROJECT PORTFOLIO
mexpert Spring Framework
github-repo-inspector Spring Framework
Task-Tracker Spring Framework
Stek-Your-Games-Client Maven
futurum-technology-task-backend Spring Framework
Monopoly Maven
Weather-App npm
key-logger Maven
ACTIVITY & OWNERSHIP
Active months 33
Commits 493
Owner authored 96%
PRIMARY PROFILE — HR VIEW
BackendJava · Spring Framework · LombokHigh ownership
In 30 sec: direction — backend, core — Java · Spring Framework · Lombok, 21 repos 2022 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaSpring FrameworkLombokTypeScriptJUnitHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 13
Forks 0
Watchers 17
EVERYTHING ABOVE IS TRACEABLE
21 repositories · 493 commits · 763 files · 151 evidence
Absence of a technology in the passport does not imply lack of experience