mason-cao Mason Cao
EVIDENCE BASE
15
Repositories
1081
Commits
1967
Files analyzed
36
Technologies
145
Evidence
11
Active months
Based on 15 repository passports · 15/15 current
ENGINEERING PROFILE
Frontend53%
Backend66%
Testing73%
DevOps80%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Python Core
LANGUAGE · 8/15 repos · 463 files · 86988 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 5/15 repos · 386 files · 35626 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 8/15 repos · 275 files · 462421 LOC
Depth 70 · HIGH
SQLAlchemy Recurring
LIBRARY · 3/15 repos · 137 files · 22373 LOC
Depth 78 · HIGH
pytest Core
TESTING · 4/15 repos · 98 files · 24989 LOC
Depth 74 · HIGH
Markdown Core
LANGUAGE · 15/15 repos · 96 files · 20675 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 5/15 repos · 92 files · 11720 LOC
Depth 74 · HIGH
Next.js Recurring
FRAMEWORK · 3/15 repos · 84 files · 7770 LOC
Depth 74 · HIGH
NumPy Core
LIBRARY · 5/15 repos · 60 files · 22451 LOC
Depth 78 · HIGH
Vitest Emerging
TESTING · 1/15 repos · 60 files · 3378 LOC
Depth 53 · HIGH
JavaScript Core
LANGUAGE · 7/15 repos · 54 files · 8781 LOC
Depth 70 · HIGH
pandas Recurring
LIBRARY · 3/15 repos · 51 files · 16374 LOC
Depth 78 · HIGH
FastAPI Core
FRAMEWORK · 4/15 repos · 43 files · 4563 LOC
Depth 74 · HIGH
Pydantic Recurring
LIBRARY · 3/15 repos · 35 files · 3855 LOC
Depth 74 · HIGH
Alembic Recurring
DATABASE · 2/15 repos · 16 files · 1660 LOC
Depth 74 · HIGH
PostgreSQL Core
DATABASE · 4/15 repos · 12 files · 13203 LOC
Depth 77 · HIGH
YAML Core
LANGUAGE · 5/15 repos · 9 files · 289 LOC
Depth 70 · HIGH
SQL Recurring
LANGUAGE · 3/15 repos · 9 files · 221 LOC
Depth 70 · HIGH
React Router Emerging
LIBRARY · 1/15 repos · 9 files · 1053 LOC
Depth 74 · HIGH
ESLint Core
QUALITY · 4/15 repos · 8 files · 30604 LOC
Depth 69 · HIGH
pip Core
BUILD_TOOL · 7/15 repos · 7 files · 70 LOC
Depth 80 · HIGH
Redis Recurring
CACHE · 2/15 repos · 7 files · 12866 LOC
Depth 61 · HIGH
TOML Core
LANGUAGE · 4/15 repos · 7 files · 109 LOC
Depth 70 · HIGH
Shell Recurring
LANGUAGE · 2/15 repos · 6 files · 162 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 6/15 repos · 6 files · 60 LOC
Depth 80 · HIGH
Playwright Emerging
TESTING · 1/15 repos · 4 files · 117 LOC
Depth 70 · HIGH
XML Recurring
LANGUAGE · 2/15 repos · 4 files · 3854 LOC
Depth 70 · HIGH
Poetry Recurring
BUILD_TOOL · 3/15 repos · 3 files · 30 LOC
Depth 80 · HIGH
Vite Recurring
BUILD_TOOL · 3/15 repos · 3 files · 63 LOC
Depth 43 · HIGH
Dockerfile Recurring
LANGUAGE · 2/15 repos · 2 files · 68 LOC
Depth 70 · HIGH
Starlette Emerging
FRAMEWORK · 1/15 repos · 1 files · 50 LOC
Depth 37 · HIGH
Requests Emerging
LIBRARY · 1/15 repos · 1 files · 107 LOC
Depth 58 · HIGH
Flask Emerging
FRAMEWORK · 1/15 repos · 1 files · 572 LOC
Depth 58 · HIGH
Zod Emerging
LIBRARY · 1/15 repos · 1 files · 131 LOC
Depth 58 · HIGH
Ruff Recurring
QUALITY · 2/15 repos · 0 files · 0 LOC
Tailwind CSS Core
LIBRARY · 4/15 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingabsent
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
ACTIVITY & OWNERSHIP
Active months 11
Commits 1081
Owner authored 100%
PRIMARY PROFILE — HR VIEW
Data/AIPython · TypeScript · JSONHigh ownership
In 30 sec: direction — data/ai, core — Python · TypeScript · JSON, 15 repos 2025 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
PythonTypeScriptJSONSQLAlchemypytestHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 24
Forks 1
Watchers 2
EVERYTHING ABOVE IS TRACEABLE
15 repositories · 1081 commits · 1967 files · 145 evidence
Absence of a technology in the passport does not imply lack of experience