GitSocial · Developer PassportCOMPLETED

vannizhang Jinnan Zhang

Web Developer @Esri.

github.com/vannizhang

EVIDENCE BASE

42
Repositories
5171
Commits
10133
Files analyzed
22
Technologies
388
Evidence
114
Active months

Based on 42 repository passports · 38/42 current

ENGINEERING PROFILE

Frontend
100%
Backend
13%
Testing
81%
DevOps
81%

CORE TECHNOLOGIES

HR: name + projects · Lead: + files/LOC · persistence Core≥4

JSON Core
LANGUAGE · 33/42 repos · 3327 files · 667929 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 30/42 repos · 1953 files · 164390 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 38/42 repos · 1758 files · 238271 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 24/42 repos · 1102 files · 74084 LOC
Depth 74 · HIGH
Redux Core
LIBRARY · 11/42 repos · 89 files · 5790 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 38/42 repos · 81 files · 4925 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 31/42 repos · 72 files · 224594 LOC
Depth 65 · HIGH
Next.js Core
FRAMEWORK · 4/42 repos · 48 files · 32438 LOC
Depth 38 · HIGH
Prettier Core
QUALITY · 23/42 repos · 38 files · 164996 LOC
Depth 61 · HIGH
Axios Core
LIBRARY · 16/42 repos · 35 files · 3765 LOC
Depth 58 · HIGH
Playwright Recurring
TESTING · 2/42 repos · 31 files · 2291 LOC
Depth 74 · HIGH
npm Core
BUILD_TOOL · 31/42 repos · 31 files · 310 LOC
Depth 80 · HIGH
Tailwind CSS Core
LIBRARY · 15/42 repos · 12 files · 78 LOC
XML Emerging
LANGUAGE · 1/42 repos · 12 files · 12 LOC
Depth 70 · HIGH
React Router Recurring
LIBRARY · 2/42 repos · 8 files · 320 LOC
Depth 66 · HIGH
RabbitMQ Recurring
MESSAGE_BROKER · 2/42 repos · 5 files · 5 LOC
Depth 58 · HIGH
Redis Recurring
CACHE · 3/42 repos · 3 files · 431 LOC
Depth 51 · HIGH
Webpack Core
BUILD_TOOL · 26/42 repos · 2 files · 333 LOC
YAML Emerging
LANGUAGE · 1/42 repos · 1 files · 28 LOC
Depth 70 · HIGH
MongoDB Emerging
DATABASE · 1/42 repos · 1 files · 454 LOC
Depth 65 · HIGH
Testing Library Core
TESTING · 6/42 repos · 0 files · 0 LOC
Jest Core
TESTING · 20/42 repos · 0 files · 0 LOC

ENGINEERING HABITS

containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved

Not observed ≠ does not know

PROJECT PORTFOLIO

react-redux-boilerplate npm
optica npm
web-performance-optimization-with-webpack npm
leaflet-map-template-with-sidebar Markdown
aiforearth-landcover-app npm
airquality-aware npm
unemployment-pulse Axios
sea-ice npm

ACTIVITY & OWNERSHIP

Active months 114
Commits 5171
Owner authored 91%

PRIMARY PROFILE — HR VIEW

FrontendJSON · TypeScript · JavaScriptHigh ownership

In 30 sec: direction — frontend, core — JSON · TypeScript · JavaScript, 42 repos 2015 — 2026. No LOC or files — stability only.

DEVELOPER SIGNATURE

JSONTypeScriptJavaScriptReactReduxHigh ownership

TECHNOLOGY EVOLUTION

2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next

COMMUNITY / IMPACT not a skill rating

Stars 217
Forks 78
Watchers 41

EVERYTHING ABOVE IS TRACEABLE

42 repositories · 5171 commits · 10133 files · 388 evidence

Absence of a technology in the passport does not imply lack of experience