crossoverJie crossoverJie
You never know what you can do till you try. @apache Pulsar & HertzBeat Committer @open-telemetry Member
EVIDENCE BASE
50
Repositories
4779
Commits
4701
Files analyzed
61
Technologies
295
Evidence
117
Active months
Based on 50 repository passports · 35/50 current
ENGINEERING PROFILE
Frontend54%
Backend74%
Testing48%
DevOps71%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Java Core
LANGUAGE · 14/50 repos · 583 files · 36220 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 33/50 repos · 539 files · 78716 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 9/50 repos · 485 files · 21068 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 15/50 repos · 279 files · 31684 LOC
Depth 65 · HIGH
Spring Framework Core
FRAMEWORK · 9/50 repos · 129 files · 8072 LOC
Depth 74 · HIGH
Swift Recurring
LANGUAGE · 2/50 repos · 110 files · 16611 LOC
Depth 70 · HIGH
Redis Core
CACHE · 5/50 repos · 109 files · 43750 LOC
Depth 100 · HIGH
Go Core
LANGUAGE · 6/50 repos · 108 files · 24003 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 16/50 repos · 86 files · 15696 LOC
Depth 70 · HIGH
JUnit Core
TESTING · 12/50 repos · 74 files · 5102 LOC
Depth 74 · HIGH
Lombok Core
LIBRARY · 4/50 repos · 73 files · 4794 LOC
Depth 100 · HIGH
Apache Kafka Recurring
MESSAGE_BROKER · 3/50 repos · 56 files · 31903 LOC
Depth 69 · HIGH
YAML Core
LANGUAGE · 14/50 repos · 41 files · 4560 LOC
Depth 70 · HIGH
Elasticsearch Recurring
DATABASE · 2/50 repos · 37 files · 22393 LOC
Depth 69 · HIGH
JSON Core
LANGUAGE · 9/50 repos · 34 files · 14728 LOC
Depth 70 · HIGH
Python Recurring
LANGUAGE · 2/50 repos · 29 files · 7784 LOC
Depth 70 · HIGH
Vitest Emerging
TESTING · 1/50 repos · 28 files · 5141 LOC
Depth 53 · HIGH
React Recurring
FRAMEWORK · 2/50 repos · 27 files · 8227 LOC
Depth 70 · HIGH
Spring Boot Core
FRAMEWORK · 6/50 repos · 24 files · 935 LOC
Depth 43 · HIGH
Shell Core
LANGUAGE · 9/50 repos · 21 files · 1011 LOC
Depth 70 · HIGH
Spring Data Recurring
LIBRARY · 2/50 repos · 17 files · 1351 LOC
Depth 96 · HIGH
Testify Recurring
TESTING · 3/50 repos · 14 files · 2050 LOC
Depth 36 · HIGH
Hibernate Emerging
LIBRARY · 1/50 repos · 12 files · 1334 LOC
Depth 74 · HIGH
Maven Core
BUILD_TOOL · 11/50 repos · 11 files · 110 LOC
Depth 80 · HIGH
Jackson Recurring
LIBRARY · 2/50 repos · 11 files · 913 LOC
Depth 100 · HIGH
Next.js Core
FRAMEWORK · 4/50 repos · 8 files · 2752 LOC
Depth 46 · HIGH
Rust Emerging
LANGUAGE · 1/50 repos · 7 files · 3237 LOC
Depth 70 · HIGH
gRPC Recurring
LIBRARY · 3/50 repos · 7 files · 3219 LOC
Depth 77 · HIGH
Gradle Core
LANGUAGE · 4/50 repos · 7 files · 132 LOC
Depth 70 · HIGH
SQL Recurring
LANGUAGE · 2/50 repos · 6 files · 189 LOC
Depth 70 · HIGH
MongoDB Core
DATABASE · 4/50 repos · 6 files · 1969 LOC
Depth 61 · HIGH
Go Modules Core
BUILD_TOOL · 6/50 repos · 6 files · 60 LOC
Depth 80 · HIGH
npm Core
BUILD_TOOL · 6/50 repos · 6 files · 60 LOC
Depth 80 · HIGH
Vite Recurring
BUILD_TOOL · 3/50 repos · 5 files · 117 LOC
Depth 44 · HIGH
Dockerfile Core
LANGUAGE · 4/50 repos · 5 files · 100 LOC
Depth 70 · HIGH
Mockito Emerging
TESTING · 1/50 repos · 5 files · 379 LOC
Depth 53 · HIGH
Testcontainers Emerging
TESTING · 1/50 repos · 4 files · 218 LOC
Depth 53 · HIGH
Vue Emerging
LANGUAGE · 1/50 repos · 4 files · 342 LOC
Depth 70 · HIGH
Serde Emerging
LIBRARY · 1/50 repos · 3 files · 2669 LOC
Depth 66 · HIGH
PostgreSQL Recurring
DATABASE · 2/50 repos · 3 files · 1107 LOC
Depth 65 · HIGH
Prettier Emerging
QUALITY · 1/50 repos · 3 files · 2219 LOC
Depth 73 · HIGH
GORM Emerging
LIBRARY · 1/50 repos · 2 files · 160 LOC
Depth 58 · HIGH
ESLint Emerging
QUALITY · 1/50 repos · 2 files · 9474 LOC
Depth 65 · HIGH
Micrometer Emerging
OBSERVABILITY · 1/50 repos · 2 files · 74 LOC
Depth 62 · HIGH
debug Recurring
LIBRARY · 2/50 repos · 2 files · 52 LOC
Depth 51 · HIGH
TOML Emerging
LANGUAGE · 1/50 repos · 2 files · 27 LOC
Depth 70 · HIGH
Requests Emerging
LIBRARY · 1/50 repos · 1 files · 194 LOC
Depth 58 · HIGH
pip Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Axios Emerging
LIBRARY · 1/50 repos · 1 files · 213 LOC
Depth 58 · HIGH
Gin Emerging
FRAMEWORK · 1/50 repos · 1 files · 181 LOC
Depth 54 · HIGH
Cargo Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
pnpm Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Ruby Emerging
LANGUAGE · 1/50 repos · 1 files · 32 LOC
Depth 70 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 515 LOC
Depth 65 · HIGH
Tokio Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Logback Recurring
OBSERVABILITY · 2/50 repos · 0 files · 0 LOC
Apache Commons Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
SLF4J Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
Protocol Buffers Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Tailwind CSS Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingabsent
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
JCSprout Apache Kafka
cim Lombok
ptg gRPC
distributed-redis-tool Redis
gscript Testify
SkillDeck Swift
k8s-combat Elasticsearch
feign-plus Maven
ACTIVITY & OWNERSHIP
Active months 117
Commits 4779
Owner authored 93%
PRIMARY PROFILE — HR VIEW
FrontendJava · Markdown · JavaScriptHigh ownership
In 30 sec: direction — frontend, core — Java · Markdown · JavaScript, 50 repos 2015 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaMarkdownJavaScriptTypeScriptSpring FrameworkHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 38918
Forks 10671
Watchers 2172
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 4779 commits · 4701 files · 295 evidence
Absence of a technology in the passport does not imply lack of experience