jia-seed jia chen
likely thinking in a focused way on one topic
EVIDENCE BASE
90
Repositories
1297
Commits
8199
Files analyzed
71
Technologies
570
Evidence
38
Active months
Based on 90 repository passports · 66/90 current
ENGINEERING PROFILE
Frontend75%
Backend40%
Testing51%
DevOps77%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 39/90 repos · 776 files · 60962 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 50/90 repos · 504 files · 434661 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 43/90 repos · 430 files · 14188 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 38/90 repos · 383 files · 39865 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 54/90 repos · 141 files · 12461 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 25/90 repos · 135 files · 10396 LOC
Depth 66 · HIGH
ESLint Core
QUALITY · 26/90 repos · 83 files · 216356 LOC
Depth 69 · HIGH
Python Core
LANGUAGE · 18/90 repos · 60 files · 11091 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 43/90 repos · 43 files · 430 LOC
Depth 80 · HIGH
Prettier Core
QUALITY · 9/90 repos · 38 files · 101596 LOC
Depth 61 · HIGH
YAML Core
LANGUAGE · 20/90 repos · 33 files · 13847 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 4/90 repos · 22 files · 302 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 7/90 repos · 18 files · 1791 LOC
Depth 70 · HIGH
C++ Recurring
LANGUAGE · 3/90 repos · 18 files · 657 LOC
Depth 70 · HIGH
Express Core
FRAMEWORK · 5/90 repos · 12 files · 938 LOC
Depth 58 · HIGH
Tailwind CSS Core
LIBRARY · 20/90 repos · 12 files · 721 LOC
Gradle Core
LANGUAGE · 6/90 repos · 12 files · 578 LOC
Depth 70 · HIGH
MongoDB Emerging
DATABASE · 1/90 repos · 11 files · 21908 LOC
Depth 96 · HIGH
pip Core
BUILD_TOOL · 8/90 repos · 8 files · 80 LOC
Depth 80 · HIGH
Axios Core
LIBRARY · 4/90 repos · 8 files · 845 LOC
Depth 70 · HIGH
Redis Core
CACHE · 4/90 repos · 8 files · 10041 LOC
Depth 65 · HIGH
TOML Core
LANGUAGE · 6/90 repos · 8 files · 443 LOC
Depth 70 · HIGH
React Router Recurring
LIBRARY · 3/90 repos · 7 files · 788 LOC
Depth 70 · HIGH
Requests Core
LIBRARY · 4/90 repos · 6 files · 826 LOC
Depth 54 · HIGH
pnpm Core
BUILD_TOOL · 6/90 repos · 6 files · 60 LOC
Depth 80 · HIGH
debug Recurring
LIBRARY · 3/90 repos · 6 files · 254 LOC
Depth 58 · HIGH
NumPy Core
LIBRARY · 4/90 repos · 5 files · 676 LOC
Depth 54 · HIGH
Vite Recurring
BUILD_TOOL · 3/90 repos · 4 files · 60 LOC
Depth 40 · HIGH
SQL Recurring
LANGUAGE · 3/90 repos · 4 files · 195 LOC
Depth 70 · HIGH
Swift Emerging
LANGUAGE · 1/90 repos · 4 files · 41 LOC
Depth 70 · HIGH
Yarn Core
BUILD_TOOL · 4/90 repos · 4 files · 40 LOC
Depth 80 · HIGH
Java Emerging
LANGUAGE · 1/90 repos · 4 files · 211 LOC
Depth 70 · HIGH
Dockerfile Core
LANGUAGE · 4/90 repos · 4 files · 47 LOC
Depth 70 · HIGH
PostgreSQL Recurring
DATABASE · 2/90 repos · 3 files · 51 LOC
Depth 38 · HIGH
Go Recurring
LANGUAGE · 2/90 repos · 3 files · 283 LOC
Depth 70 · HIGH
Rust Recurring
LANGUAGE · 2/90 repos · 3 files · 169 LOC
Depth 70 · HIGH
Flask Recurring
FRAMEWORK · 2/90 repos · 3 files · 157 LOC
Depth 66 · HIGH
Kotlin Recurring
LANGUAGE · 2/90 repos · 3 files · 111 LOC
Depth 70 · HIGH
Spring Framework Emerging
FRAMEWORK · 1/90 repos · 3 files · 84 LOC
Depth 66 · HIGH
FastAPI Core
FRAMEWORK · 4/90 repos · 3 files · 112 LOC
Depth 58 · HIGH
Tokio Recurring
LIBRARY · 2/90 repos · 2 files · 140 LOC
Depth 58 · HIGH
Flutter Emerging
FRAMEWORK · 1/90 repos · 2 files · 76 LOC
Depth 66 · HIGH
Poetry Recurring
BUILD_TOOL · 2/90 repos · 2 files · 20 LOC
Depth 80 · HIGH
Zod Core
LIBRARY · 4/90 repos · 2 files · 254 LOC
Axum Recurring
FRAMEWORK · 2/90 repos · 2 files · 140 LOC
Depth 58 · HIGH
Dart Emerging
LANGUAGE · 1/90 repos · 2 files · 86 LOC
Depth 70 · HIGH
Cargo Recurring
BUILD_TOOL · 2/90 repos · 2 files · 20 LOC
Depth 80 · HIGH
Vitest Emerging
TESTING · 1/90 repos · 2 files · 164 LOC
Depth 41 · HIGH
pandas Emerging
LIBRARY · 1/90 repos · 2 files · 140 LOC
Depth 62 · HIGH
Pydantic Recurring
LIBRARY · 2/90 repos · 1 files · 48 LOC
Depth 57 · HIGH
body-parser Emerging
LIBRARY · 1/90 repos · 1 files · 77 LOC
Depth 58 · HIGH
PowerShell Emerging
LANGUAGE · 1/90 repos · 1 files · 198 LOC
Depth 70 · HIGH
Werkzeug Recurring
LIBRARY · 2/90 repos · 1 files · 77 LOC
Uvicorn Recurring
LIBRARY · 2/90 repos · 1 files · 91 LOC
Depth 58 · HIGH
Lodash Emerging
LIBRARY · 1/90 repos · 1 files · 148 LOC
Depth 58 · HIGH
Morgan Emerging
OBSERVABILITY · 1/90 repos · 1 files · 77 LOC
Depth 58 · HIGH
Terraform Emerging
LANGUAGE · 1/90 repos · 1 files · 21 LOC
Depth 70 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/90 repos · 1 files · 10 LOC
Depth 80 · HIGH
mypy Emerging
QUALITY · 1/90 repos · 0 files · 0 LOC
python-dotenv Core
LIBRARY · 4/90 repos · 0 files · 0 LOC
Click Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
Black Emerging
QUALITY · 1/90 repos · 0 files · 0 LOC
MarkupSafe Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
GraphQL Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
Ruff Emerging
QUALITY · 1/90 repos · 0 files · 0 LOC
Jinja2 Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
itsdangerous Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
pytest Emerging
TESTING · 1/90 repos · 0 files · 0 LOC
Testing Library Recurring
TESTING · 2/90 repos · 0 files · 0 LOC
typing_extensions Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
flutter_lints Emerging
QUALITY · 1/90 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
ACTIVITY & OWNERSHIP
Active months 38
Commits 1297
Owner authored 85%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JSON · JavaScriptHigh ownership
In 30 sec: direction — frontend, core — TypeScript · JSON · JavaScript, 90 repos 2023 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJSONJavaScriptReactMarkdownHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 209
Forks 23
Watchers 49
EVERYTHING ABOVE IS TRACEABLE
90 repositories · 1297 commits · 8199 files · 570 evidence
Absence of a technology in the passport does not imply lack of experience