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Yun L.

Yun L.

Qt | C++ | Rust| Scrum | OpenGL | VTK

I’m an energetic developer, passionate about building robust, testable and scalable software with clean, efficient, reusable code. I have a lot of expertise in developing cross-platform applications utilizing Qt(4, 5, 6), C++, and QML. I also have some experience with Python, Golang, QTest, GTest, Catch2, MQTT, USB, OpenGL and VTK. I am a good agile player and have Certificates, including CSM, CSD, CSPO, DevOps Professional, and CLP, and apply them to my daily work.

🇨🇳Chengdu, China$35/hr90% JSS5.00 (1)Since Nov 2024

Earnings and projects

MRR (estimate)
≈$421

An estimate from an earlier read

World#84,869 / 412k
🇨🇳Country#469 / 2,007
Revenue, last 30 days
—

Read daily since Oct 13, under 30 days

Total earnings
$852

Billed in all: $909

World#398,389 / 412k
🇨🇳Country#1,977 / 2,007
Per project
$852

$841 in the last 6 months

World#136,494 / 412k
🇨🇳Country#488 / 2,007
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇨🇳Country#730 / 2,007
Projects in all
1
0% fixed100% hourly
World#360,671 / 412k
🇨🇳Country#1,713 / 2,007

Earnings, last 30 days

$909Nothing earned since Oct 13Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$0.9k$1.0k$1.1kOct 13Oct 26Nov 8

Tracked from Oct 13, 2026. No data since Nov 5, 2026.

Skill rankings: Top 9% in PyQt

Ranked by MRR among everyone on Upwork with the skill.

  1. #11QML55 freelancers · 🇨🇳 #1Top 20%
  2. #13PyQt137 freelancers · 🇨🇳 #1Top 9%
  3. #56Qt Framework323 freelancers · 🇨🇳 #2Top 17%
  4. #70MQTT252 freelancers · 🇨🇳 #1Top 28%
  5. #120Unit Testing669 freelancers · 🇨🇳 #1Top 18%
  6. #364Scrum1,840 freelancers · 🇨🇳 #4Top 20%
  7. #740C++4,442 freelancers · 🇨🇳 #20Top 17%