breuerfelix Felix Breuer
learning by doing
EVIDENCE BASE
50
Repositories
2426
Commits
1668
Files analyzed
47
Technologies
273
Evidence
102
Active months
Based on 50 repository passports · 43/50 current
ENGINEERING PROFILE
Frontend44%
Backend55%
Testing27%
DevOps65%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Markdown Core
LANGUAGE · 36/50 repos · 170 files · 14256 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 17/50 repos · 130 files · 6395 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 27/50 repos · 123 files · 4322 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 32/50 repos · 105 files · 19888 LOC
Depth 70 · HIGH
Swift Emerging
LANGUAGE · 1/50 repos · 96 files · 18356 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 6/50 repos · 73 files · 2848 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 7/50 repos · 52 files · 3030 LOC
Depth 70 · HIGH
Go Core
LANGUAGE · 8/50 repos · 47 files · 2679 LOC
Depth 70 · HIGH
Dockerfile Core
LANGUAGE · 13/50 repos · 21 files · 299 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 7/50 repos · 20 files · 532 LOC
Depth 70 · HIGH
MongoDB Core
DATABASE · 5/50 repos · 20 files · 1864 LOC
Depth 100 · HIGH
npm Core
BUILD_TOOL · 14/50 repos · 14 files · 140 LOC
Depth 80 · HIGH
C# Recurring
LANGUAGE · 2/50 repos · 13 files · 1037 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 7/50 repos · 13 files · 7252 LOC
Depth 65 · HIGH
Svelte Emerging
LANGUAGE · 1/50 repos · 12 files · 589 LOC
Depth 70 · HIGH
Java Emerging
LANGUAGE · 1/50 repos · 12 files · 903 LOC
Depth 70 · HIGH
Requests Core
LIBRARY · 5/50 repos · 9 files · 844 LOC
Depth 54 · HIGH
React Recurring
FRAMEWORK · 3/50 repos · 9 files · 143 LOC
Depth 70 · HIGH
Webpack Core
BUILD_TOOL · 5/50 repos · 9 files · 307 LOC
Depth 62 · HIGH
Redis Core
CACHE · 4/50 repos · 7 files · 478 LOC
Depth 65 · HIGH
Go Modules Core
BUILD_TOOL · 6/50 repos · 6 files · 60 LOC
Depth 80 · HIGH
Axios Recurring
LIBRARY · 2/50 repos · 5 files · 748 LOC
Depth 54 · HIGH
Elasticsearch Emerging
DATABASE · 1/50 repos · 4 files · 416 LOC
Depth 77 · HIGH
body-parser Recurring
LIBRARY · 3/50 repos · 4 files · 280 LOC
Depth 66 · HIGH
Click Recurring
LIBRARY · 3/50 repos · 3 files · 457 LOC
Depth 54 · HIGH
Next.js Recurring
FRAMEWORK · 2/50 repos · 3 files · 364 LOC
Depth 58 · HIGH
pip Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Poetry Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Express Recurring
FRAMEWORK · 2/50 repos · 3 files · 232 LOC
Depth 66 · HIGH
Gin Recurring
FRAMEWORK · 2/50 repos · 3 files · 102 LOC
Depth 54 · HIGH
TOML Recurring
LANGUAGE · 3/50 repos · 3 files · 69 LOC
Depth 70 · HIGH
gRPC Emerging
LIBRARY · 1/50 repos · 2 files · 103 LOC
Depth 66 · HIGH
NumPy Emerging
LIBRARY · 1/50 repos · 2 files · 169 LOC
Depth 62 · HIGH
Flask Recurring
FRAMEWORK · 2/50 repos · 2 files · 296 LOC
Depth 58 · HIGH
Prettier Recurring
QUALITY · 2/50 repos · 2 files · 73 LOC
Depth 58 · HIGH
NuGet Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
lxml Emerging
LIBRARY · 1/50 repos · 1 files · 50 LOC
Depth 58 · HIGH
Ruby Emerging
LANGUAGE · 1/50 repos · 1 files · 11 LOC
Depth 70 · HIGH
Werkzeug Emerging
LIBRARY · 1/50 repos · 1 files · 71 LOC
Depth 58 · HIGH
Testify Emerging
TESTING · 1/50 repos · 1 files · 13 LOC
Depth 18 · HIGH
Tailwind CSS Recurring
LIBRARY · 2/50 repos · 1 files · 6 LOC
Bundler Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
XML Emerging
LANGUAGE · 1/50 repos · 1 files · 40 LOC
Depth 70 · HIGH
React Router Emerging
LIBRARY · 1/50 repos · 1 files · 22 LOC
Depth 47 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 49 LOC
Depth 64 · HIGH
python-dotenv Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
pytest Recurring
TESTING · 2/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
dotfiles Redis
chromedriver-py pip
juicefs-volume-hook Go Modules
Async-Socket-TCP NuGet
feovim Markdown
nixos ESLint
Message-System NuGet
ACTIVITY & OWNERSHIP
Active months 102
Commits 2426
Owner authored 1%
PRIMARY PROFILE — HR VIEW
FrontendMarkdown · JavaScript · YAMLTeam
In 30 sec: direction — frontend, core — Markdown · JavaScript · YAML, 50 repos 2018 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
MarkdownJavaScriptYAMLJSONSwiftTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 326
Forks 43
Watchers 32
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 2426 commits · 1668 files · 273 evidence
Absence of a technology in the passport does not imply lack of experience