luojiyin1987 luo jiyin
EVIDENCE BASE
50
Repositories
2300
Commits
1776
Files analyzed
57
Technologies
367
Evidence
77
Active months
Based on 50 repository passports · 49/50 current
ENGINEERING PROFILE
Frontend65%
Backend40%
Testing38%
DevOps71%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 18/50 repos · 211 files · 29948 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 25/50 repos · 201 files · 108825 LOC
Depth 70 · HIGH
Go Core
LANGUAGE · 5/50 repos · 194 files · 25253 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 7/50 repos · 123 files · 13288 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 41/50 repos · 116 files · 10504 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 32/50 repos · 114 files · 79795 LOC
Depth 70 · HIGH
Rust Recurring
LANGUAGE · 3/50 repos · 55 files · 4996 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 29/50 repos · 52 files · 26944 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 10/50 repos · 48 files · 4404 LOC
Depth 58 · HIGH
ESLint Core
QUALITY · 15/50 repos · 47 files · 86055 LOC
Depth 61 · HIGH
Next.js Core
FRAMEWORK · 6/50 repos · 36 files · 1777 LOC
Depth 53 · HIGH
npm Core
BUILD_TOOL · 25/50 repos · 25 files · 250 LOC
Depth 80 · HIGH
Flask Recurring
FRAMEWORK · 2/50 repos · 24 files · 760 LOC
Depth 85 · HIGH
Tokio Recurring
LIBRARY · 3/50 repos · 18 files · 1567 LOC
Depth 85 · HIGH
TOML Core
LANGUAGE · 13/50 repos · 18 files · 321 LOC
Depth 70 · HIGH
Requests Emerging
LIBRARY · 1/50 repos · 15 files · 663 LOC
Depth 78 · HIGH
Express Core
FRAMEWORK · 4/50 repos · 13 files · 606 LOC
Depth 54 · HIGH
MongoDB Recurring
DATABASE · 2/50 repos · 11 files · 3933 LOC
Depth 96 · HIGH
pnpm Core
BUILD_TOOL · 11/50 repos · 11 files · 110 LOC
Depth 80 · HIGH
Shell Core
LANGUAGE · 7/50 repos · 10 files · 794 LOC
Depth 70 · HIGH
Redis Emerging
CACHE · 1/50 repos · 9 files · 1469 LOC
Depth 88 · HIGH
Serde Emerging
LIBRARY · 1/50 repos · 6 files · 177 LOC
Depth 74 · HIGH
Prettier Recurring
QUALITY · 3/50 repos · 6 files · 43271 LOC
Depth 65 · HIGH
XML Core
LANGUAGE · 6/50 repos · 6 files · 52 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 6/50 repos · 5 files · 87 LOC
Depth 44 · HIGH
Yarn Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
Go Modules Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
NumPy Recurring
LIBRARY · 2/50 repos · 4 files · 459 LOC
Depth 62 · HIGH
body-parser Recurring
LIBRARY · 3/50 repos · 4 files · 156 LOC
Depth 50 · HIGH
Vue Recurring
LANGUAGE · 3/50 repos · 4 files · 357 LOC
Depth 70 · HIGH
Axios Recurring
LIBRARY · 2/50 repos · 3 files · 716 LOC
Depth 58 · HIGH
SQL Emerging
LANGUAGE · 1/50 repos · 3 files · 416 LOC
Depth 70 · HIGH
Cargo Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Vitest Recurring
TESTING · 2/50 repos · 3 files · 302 LOC
Depth 24 · HIGH
Poetry Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Reqwest Emerging
LIBRARY · 1/50 repos · 2 files · 350 LOC
Depth 62 · HIGH
Zod Emerging
LIBRARY · 1/50 repos · 2 files · 403 LOC
Depth 62 · HIGH
debug Recurring
LIBRARY · 2/50 repos · 2 files · 7304 LOC
Depth 54 · HIGH
Dockerfile Recurring
LANGUAGE · 2/50 repos · 2 files · 36 LOC
Depth 70 · HIGH
pip Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
uv Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
React Router Emerging
LIBRARY · 1/50 repos · 1 files · 33 LOC
Depth 47 · HIGH
Morgan Emerging
OBSERVABILITY · 1/50 repos · 1 files · 33 LOC
Depth 47 · HIGH
Socket.IO Emerging
LIBRARY · 1/50 repos · 1 files · 33 LOC
Depth 51 · HIGH
Webpack Recurring
BUILD_TOOL · 3/50 repos · 1 files · 30 LOC
Click Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
MarkupSafe Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Werkzeug Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Tracing Emerging
OBSERVABILITY · 1/50 repos · 0 files · 0 LOC
Ruff Emerging
QUALITY · 1/50 repos · 0 files · 0 LOC
SQLAlchemy Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Blinker Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Jinja2 Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Clap Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
itsdangerous Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Jest Recurring
TESTING · 2/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingabsent
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
emoji-cn npm
web-ocr npm
50projects JavaScript
license-tool npm
wasm-cad-viewer npm
mermaid-to-svg npm
typos-skill JSON
learnGolang Go Modules
ACTIVITY & OWNERSHIP
Active months 77
Commits 2300
Owner authored 96%
PRIMARY PROFILE — HR VIEW
Full-stackTypeScript · JavaScript · GoHigh ownership
In 30 sec: direction — full-stack, core — TypeScript · JavaScript · Go, 50 repos 2016 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJavaScriptGoPythonMarkdownHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 52
Forks 9
Watchers 52
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 2300 commits · 1776 files · 367 evidence
Absence of a technology in the passport does not imply lack of experience