ParkerRex Parker Rex
Building Little Worker. I turn messy product work into shipped software, then share what I learn.
EVIDENCE BASE
115
Repositories
6895
Commits
189294
Files analyzed
71
Technologies
975
Evidence
80
Active months
Based on 115 repository passports · 93/115 current
ENGINEERING PROFILE
Frontend80%
Backend41%
Testing58%
DevOps75%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Java Emerging
LANGUAGE · 1/115 repos · 159969 files · 17942373 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 5/115 repos · 10616 files · 558162 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 67/115 repos · 6296 files · 541574 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 47/115 repos · 1951 files · 215869 LOC
Depth 81 · HIGH
Markdown Core
LANGUAGE · 84/115 repos · 1633 files · 163298 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 76/115 repos · 1506 files · 1249894 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 45/115 repos · 1032 files · 117343 LOC
Depth 78 · HIGH
JavaScript Core
LANGUAGE · 62/115 repos · 261 files · 20196 LOC
Depth 70 · HIGH
Swift Core
LANGUAGE · 7/115 repos · 254 files · 41722 LOC
Depth 70 · HIGH
Zod Core
LIBRARY · 22/115 repos · 199 files · 23185 LOC
Depth 78 · HIGH
JJWT Emerging
SECURITY · 1/115 repos · 168 files · 19362 LOC
Depth 78 · HIGH
YAML Core
LANGUAGE · 45/115 repos · 128 files · 91329 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 6/115 repos · 114 files · 36468 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 37/115 repos · 99 files · 190473 LOC
Depth 69 · HIGH
Shell Core
LANGUAGE · 17/115 repos · 93 files · 11411 LOC
Depth 70 · HIGH
Redis Core
CACHE · 22/115 repos · 68 files · 70851 LOC
Depth 61 · HIGH
npm Core
BUILD_TOOL · 65/115 repos · 65 files · 650 LOC
Depth 80 · HIGH
Python Core
LANGUAGE · 9/115 repos · 62 files · 11195 LOC
Depth 70 · HIGH
SQL Core
LANGUAGE · 13/115 repos · 54 files · 4888 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 21/115 repos · 48 files · 126225 LOC
Depth 61 · HIGH
Serde Core
LIBRARY · 6/115 repos · 47 files · 27600 LOC
C++ Recurring
LANGUAGE · 3/115 repos · 45 files · 20712 LOC
Depth 70 · HIGH
Tokio Core
LIBRARY · 4/115 repos · 41 files · 22769 LOC
Depth 34 · HIGH
Axum Recurring
FRAMEWORK · 3/115 repos · 37 files · 19980 LOC
Depth 74 · HIGH
Ruby Recurring
LANGUAGE · 2/115 repos · 37 files · 494 LOC
Depth 70 · HIGH
PostgreSQL Core
DATABASE · 13/115 repos · 34 files · 19454 LOC
Depth 100 · HIGH
JUnit Core
TESTING · 4/115 repos · 31 files · 4302 LOC
Depth 41 · HIGH
TOML Core
LANGUAGE · 14/115 repos · 31 files · 1616 LOC
Depth 70 · HIGH
SQLx Recurring
DATABASE · 3/115 repos · 28 files · 19057 LOC
Depth 74 · HIGH
Tailwind CSS Core
LIBRARY · 40/115 repos · 24 files · 1781 LOC
Depth 66 · HIGH
pnpm Core
BUILD_TOOL · 20/115 repos · 20 files · 200 LOC
Depth 80 · HIGH
debug Core
LIBRARY · 7/115 repos · 17 files · 3193 LOC
Depth 58 · HIGH
Playwright Core
TESTING · 8/115 repos · 16 files · 1493 LOC
Depth 37 · HIGH
Vitest Core
TESTING · 6/115 repos · 16 files · 1232 LOC
Depth 41 · HIGH
Lodash Recurring
LIBRARY · 2/115 repos · 15 files · 981 LOC
Axios Core
LIBRARY · 7/115 repos · 12 files · 1867 LOC
MongoDB Core
DATABASE · 9/115 repos · 12 files · 38395 LOC
Depth 73 · HIGH
Dockerfile Core
LANGUAGE · 6/115 repos · 12 files · 391 LOC
Depth 70 · HIGH
Prisma Core
DATABASE · 7/115 repos · 11 files · 1186 LOC
GraphQL Core
LIBRARY · 5/115 repos · 9 files · 2150 LOC
Depth 74 · HIGH
Ruby on Rails Recurring
FRAMEWORK · 2/115 repos · 9 files · 821 LOC
Depth 58 · HIGH
React Router Recurring
LIBRARY · 2/115 repos · 9 files · 1539 LOC
Depth 54 · HIGH
Reqwest Core
LIBRARY · 4/115 repos · 6 files · 2562 LOC
Depth 62 · HIGH
Vite Core
BUILD_TOOL · 9/115 repos · 6 files · 426 LOC
Depth 47 · HIGH
Cargo Core
BUILD_TOOL · 6/115 repos · 6 files · 60 LOC
Depth 80 · HIGH
Express Recurring
FRAMEWORK · 2/115 repos · 6 files · 661 LOC
Depth 62 · HIGH
pytest Emerging
TESTING · 1/115 repos · 6 files · 402 LOC
Depth 74 · HIGH
Requests Recurring
LIBRARY · 3/115 repos · 5 files · 1481 LOC
Yarn Core
BUILD_TOOL · 5/115 repos · 5 files · 50 LOC
Depth 80 · HIGH
C Emerging
LANGUAGE · 1/115 repos · 4 files · 98 LOC
Depth 70 · HIGH
RabbitMQ Recurring
MESSAGE_BROKER · 2/115 repos · 3 files · 21038 LOC
Depth 69 · HIGH
Svelte Recurring
FRAMEWORK · 2/115 repos · 2 files · 320 LOC
Depth 58 · HIGH
NumPy Emerging
LIBRARY · 1/115 repos · 2 files · 641 LOC
Depth 62 · HIGH
Elasticsearch Emerging
DATABASE · 1/115 repos · 2 files · 2553 LOC
Depth 69 · HIGH
Cypress Recurring
TESTING · 2/115 repos · 2 files · 102 LOC
Depth 36 · HIGH
Webpack Recurring
BUILD_TOOL · 2/115 repos · 2 files · 320 LOC
Depth 58 · HIGH
Go Emerging
LANGUAGE · 1/115 repos · 1 files · 264 LOC
Depth 70 · HIGH
pip Emerging
BUILD_TOOL · 1/115 repos · 1 files · 10 LOC
Depth 80 · HIGH
Poetry Emerging
BUILD_TOOL · 1/115 repos · 1 files · 10 LOC
Depth 80 · HIGH
uv Emerging
BUILD_TOOL · 1/115 repos · 1 files · 10 LOC
Depth 80 · HIGH
Bundler Emerging
BUILD_TOOL · 1/115 repos · 1 files · 10 LOC
Depth 80 · HIGH
Supertest Emerging
TESTING · 1/115 repos · 1 files · 148 LOC
Depth 37 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/115 repos · 1 files · 10 LOC
Depth 80 · HIGH
Jest Core
TESTING · 5/115 repos · 1 files · 96 LOC
Apache Kafka Emerging
MESSAGE_BROKER · 1/115 repos · 1 files · 18485 LOC
Depth 61 · HIGH
mypy Emerging
QUALITY · 1/115 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/115 repos · 0 files · 0 LOC
Tracing Recurring
OBSERVABILITY · 3/115 repos · 0 files · 0 LOC
Ruff Emerging
QUALITY · 1/115 repos · 0 files · 0 LOC
AWS SDK Emerging
CLOUD · 1/115 repos · 0 files · 0 LOC
Testing Library Core
TESTING · 5/115 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
ai-sdlc uv
XGPT npm
ralph-loop npm
zeke PostgreSQL
tec-claude-code-agents Markdown
garmin-firmware Redis
idletime npm
10-essential-docs MongoDB
ACTIVITY & OWNERSHIP
Active months 80
Commits 6895
Owner authored 98%
PRIMARY PROFILE — HR VIEW
FrontendJava · XML · TypeScriptHigh ownership
In 30 sec: direction — frontend, core — Java · XML · TypeScript, 115 repos 2019 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaXMLTypeScriptReactMarkdownHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 285
Forks 65
Watchers 62
EVERYTHING ABOVE IS TRACEABLE
115 repositories · 6895 commits · 189294 files · 975 evidence
Absence of a technology in the passport does not imply lack of experience