zhangran653 Ran Zhang
EVIDENCE BASE
27
Repositories
704
Commits
1112
Files analyzed
29
Technologies
116
Evidence
31
Active months
Based on 27 repository passports · 22/27 current
ENGINEERING PROFILE
Frontend54%
Backend63%
Testing50%
DevOps50%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Java Core
LANGUAGE · 10/27 repos · 645 files · 35365 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 5/27 repos · 173 files · 10186 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 9/27 repos · 25 files · 637 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 9/27 repos · 25 files · 3090 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 16/27 repos · 23 files · 1126 LOC
Depth 70 · HIGH
JUnit Core
TESTING · 7/27 repos · 16 files · 1970 LOC
JSON Core
LANGUAGE · 4/27 repos · 13 files · 2878 LOC
Depth 70 · HIGH
Maven Core
BUILD_TOOL · 9/27 repos · 9 files · 90 LOC
Depth 80 · HIGH
Spring Framework Core
FRAMEWORK · 4/27 repos · 9 files · 141 LOC
Depth 24 · HIGH
Spring Boot Recurring
FRAMEWORK · 2/27 repos · 7 files · 89 LOC
Depth 81 · HIGH
Dockerfile Emerging
LANGUAGE · 1/27 repos · 6 files · 6 LOC
Depth 70 · HIGH
YAML Emerging
LANGUAGE · 1/27 repos · 3 files · 58 LOC
Depth 70 · HIGH
JavaScript Recurring
LANGUAGE · 3/27 repos · 3 files · 785 LOC
Depth 70 · HIGH
ESLint Recurring
QUALITY · 3/27 repos · 3 files · 1831 LOC
Depth 65 · HIGH
Flask Emerging
FRAMEWORK · 1/27 repos · 2 files · 27 LOC
Depth 53 · HIGH
Lombok Emerging
LIBRARY · 1/27 repos · 2 files · 133 LOC
Depth 62 · HIGH
React Emerging
FRAMEWORK · 1/27 repos · 2 files · 178 LOC
Depth 62 · HIGH
Next.js Emerging
FRAMEWORK · 1/27 repos · 1 files · 98 LOC
Depth 58 · HIGH
Requests Emerging
LIBRARY · 1/27 repos · 1 files · 12 LOC
Depth 43 · HIGH
NumPy Emerging
LIBRARY · 1/27 repos · 1 files · 109 LOC
Depth 58 · HIGH
Socket.IO Emerging
LIBRARY · 1/27 repos · 1 files · 16 LOC
Depth 40 · HIGH
Jest Emerging
TESTING · 1/27 repos · 1 files · 98 LOC
Depth 58 · HIGH
Hibernate Recurring
LIBRARY · 2/27 repos · 1 files · 50 LOC
Redis Emerging
CACHE · 1/27 repos · 1 files · 251 LOC
Depth 65 · HIGH
npm Emerging
BUILD_TOOL · 1/27 repos · 1 files · 10 LOC
Depth 80 · HIGH
Spring Data Recurring
LIBRARY · 2/27 repos · 1 files · 7 LOC
pandas Emerging
LIBRARY · 1/27 repos · 1 files · 19 LOC
Depth 45 · HIGH
MongoDB Emerging
DATABASE · 1/27 repos · 1 files · 251 LOC
Depth 65 · HIGH
SLF4J Recurring
LIBRARY · 3/27 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingabsent
formattingabsent
continuous_integrationabsent
Not observed ≠ does not know
PROJECT PORTFOLIO
leetcode TypeScript
thinkinginjava ESLint
leetpy Python
benchq Maven
home MongoDB
build-parser TypeScript
ifta-core Maven
fromleetcodetobat Markdown
ACTIVITY & OWNERSHIP
Active months 31
Commits 704
Owner authored 87%
PRIMARY PROFILE — HR VIEW
BackendJava · Python · TypeScriptHigh ownership
In 30 sec: direction — backend, core — Java · Python · TypeScript, 27 repos 2016 — 2025. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaPythonTypeScriptXMLMarkdownHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 10
Forks 0
Watchers 10
EVERYTHING ABOVE IS TRACEABLE
27 repositories · 704 commits · 1112 files · 116 evidence
Absence of a technology in the passport does not imply lack of experience