yongkangc YK
I like solving perf challenges | rust 🦀
EVIDENCE BASE
90
Repositories
1351
Commits
16443
Files analyzed
64
Technologies
332
Evidence
52
Active months
Based on 90 repository passports · 39/90 current
ENGINEERING PROFILE
Frontend41%
Backend66%
Testing46%
DevOps76%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Markdown Core
LANGUAGE · 37/90 repos · 483 files · 50201 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 11/90 repos · 378 files · 60625 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 13/90 repos · 322 files · 53802 LOC
Depth 70 · HIGH
Svelte Emerging
LANGUAGE · 1/90 repos · 169 files · 14999 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 13/90 repos · 146 files · 18734 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 10/90 repos · 141 files · 22077 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 19/90 repos · 83 files · 90696 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 5/90 repos · 73 files · 26086 LOC
Depth 81 · HIGH
Vitest Recurring
TESTING · 2/90 repos · 60 files · 7194 LOC
NumPy Core
LIBRARY · 7/90 repos · 47 files · 10952 LOC
TOML Core
LANGUAGE · 18/90 repos · 36 files · 622 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 14/90 repos · 35 files · 1242 LOC
Depth 70 · HIGH
pandas Core
LIBRARY · 7/90 repos · 29 files · 6722 LOC
Next.js Recurring
FRAMEWORK · 3/90 repos · 21 files · 6624 LOC
Depth 78 · HIGH
Serde Core
LIBRARY · 7/90 repos · 17 files · 6473 LOC
Depth 66 · HIGH
Go Recurring
LANGUAGE · 2/90 repos · 16 files · 1510 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 4/90 repos · 16 files · 300 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 7/90 repos · 15 files · 61741 LOC
Depth 65 · HIGH
Shell Core
LANGUAGE · 8/90 repos · 13 files · 570 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 4/90 repos · 12 files · 49505 LOC
Depth 65 · HIGH
Tokio Core
LIBRARY · 4/90 repos · 11 files · 3171 LOC
Depth 74 · HIGH
npm Core
BUILD_TOOL · 11/90 repos · 11 files · 110 LOC
Depth 80 · HIGH
Cargo Core
BUILD_TOOL · 10/90 repos · 10 files · 100 LOC
Depth 80 · HIGH
Zap Emerging
OBSERVABILITY · 1/90 repos · 6 files · 424 LOC
Depth 85 · HIGH
C# Emerging
LANGUAGE · 1/90 repos · 6 files · 1882 LOC
Depth 70 · HIGH
Poetry Core
BUILD_TOOL · 5/90 repos · 5 files · 50 LOC
Depth 80 · HIGH
FastAPI Recurring
FRAMEWORK · 2/90 repos · 5 files · 1433 LOC
Depth 54 · HIGH
pip Core
BUILD_TOOL · 4/90 repos · 4 files · 40 LOC
Depth 80 · HIGH
Reqwest Core
LIBRARY · 4/90 repos · 4 files · 2585 LOC
Depth 58 · HIGH
Gradle Recurring
LANGUAGE · 2/90 repos · 4 files · 144 LOC
Depth 70 · HIGH
Vite Recurring
BUILD_TOOL · 3/90 repos · 3 files · 112 LOC
Depth 36 · HIGH
Bundler Recurring
BUILD_TOOL · 3/90 repos · 3 files · 30 LOC
Depth 80 · HIGH
MongoDB Recurring
DATABASE · 3/90 repos · 3 files · 37995 LOC
Depth 61 · HIGH
Ruby Emerging
LANGUAGE · 1/90 repos · 3 files · 63 LOC
Depth 70 · HIGH
pytest Recurring
TESTING · 2/90 repos · 3 files · 433 LOC
Depth 62 · HIGH
Redis Recurring
CACHE · 3/90 repos · 3 files · 39480 LOC
Depth 61 · HIGH
Dockerfile Recurring
LANGUAGE · 3/90 repos · 3 files · 117 LOC
Depth 70 · HIGH
PostgreSQL Emerging
DATABASE · 1/90 repos · 2 files · 113 LOC
Depth 62 · HIGH
Axios Emerging
LIBRARY · 1/90 repos · 2 files · 385 LOC
Depth 62 · HIGH
uv Recurring
BUILD_TOOL · 2/90 repos · 2 files · 20 LOC
Depth 80 · HIGH
Playwright Emerging
TESTING · 1/90 repos · 2 files · 228 LOC
Depth 37 · HIGH
Uvicorn Recurring
LIBRARY · 2/90 repos · 2 files · 1065 LOC
Depth 54 · HIGH
Go Modules Recurring
BUILD_TOOL · 2/90 repos · 2 files · 20 LOC
Depth 80 · HIGH
Kotlin Emerging
LANGUAGE · 1/90 repos · 2 files · 41 LOC
Depth 70 · HIGH
Bytes Emerging
LIBRARY · 1/90 repos · 1 files · 761 LOC
Depth 58 · HIGH
Pydantic Emerging
LIBRARY · 1/90 repos · 1 files · 103 LOC
Depth 54 · HIGH
Gin Emerging
FRAMEWORK · 1/90 repos · 1 files · 157 LOC
Depth 58 · HIGH
Swift Emerging
LANGUAGE · 1/90 repos · 1 files · 39 LOC
Depth 70 · HIGH
Yarn Emerging
BUILD_TOOL · 1/90 repos · 1 files · 10 LOC
Depth 80 · HIGH
Elasticsearch Emerging
DATABASE · 1/90 repos · 1 files · 21689 LOC
Depth 65 · HIGH
itsdangerous Emerging
LIBRARY · 1/90 repos · 1 files · 962 LOC
Depth 54 · HIGH
Jest Emerging
TESTING · 1/90 repos · 1 files · 85 LOC
Depth 54 · HIGH
Testify Emerging
TESTING · 1/90 repos · 1 files · 78 LOC
Depth 37 · HIGH
Tailwind CSS Core
LIBRARY · 5/90 repos · 1 files · 19 LOC
NuGet Emerging
BUILD_TOOL · 1/90 repos · 1 files · 10 LOC
Depth 80 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/90 repos · 1 files · 21689 LOC
Depth 65 · HIGH
python-dotenv Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
Click Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
Requests Recurring
LIBRARY · 2/90 repos · 0 files · 0 LOC
Jinja2 Emerging
LIBRARY · 1/90 repos · 0 files · 0 LOC
HTTPX Recurring
LIBRARY · 2/90 repos · 0 files · 0 LOC
Clap Recurring
LIBRARY · 3/90 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/90 repos · 0 files · 0 LOC
typing_extensions Emerging
LIBRARY · 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 52
Commits 1351
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendMarkdown · TypeScript · PythonHigh ownership
In 30 sec: direction — frontend, core — Markdown · TypeScript · Python, 90 repos 2020 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
MarkdownTypeScriptPythonSvelteJavaScriptHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 136
Forks 23
Watchers 21
EVERYTHING ABOVE IS TRACEABLE
90 repositories · 1351 commits · 16443 files · 332 evidence
Absence of a technology in the passport does not imply lack of experience