Zhengbin D.
Software Quality Assurance Specialist | Bug Hunter & Test Strategist
Veteran Software QA professional with 20+ years of industry experience and comprehensive development background. As an experienced Bug Hunter & Test Strategist, I conduct functional, exploratory, regression and compatibility testing for web, mobile and APIs. My dual expertise in QA and development helps me understand code logic, locate defects faster and design more practical test strategies. I help teams mitigate risks and launch robust products. As a native Chinese speaker, I’m also an experienced proofreader with a strong command of Simplified Chinese, ensuring clarity, accuracy, and linguistic quality in every project I review.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.5k
Billed in all: $14,050$14k
$575 in the last 6 months
Across 38 contracts
Earnings, last 30 days
Skill rankings: Top 15% in Android
Ranked by MRR among everyone on Upwork with the skill.
- #29Desktop Application Testing160 freelancers · 🇨🇳 #1Top 18%🇨🇳#1 of 1
- #36Annotated Screenshot132 freelancers · 🇨🇳 #1Top 27%🇨🇳#1 of 2
- #52Exploratory Testing204 freelancers · 🇨🇳 #1Top 25%🇨🇳#1 of 1
- #66Test Execution265 freelancers · 🇨🇳 #1Top 25%🇨🇳#1 of 1
- #70Integration Testing293 freelancers · 🇨🇳 #2Top 24%🇨🇳#2 of 3
- #169Bug Reports659 freelancers · 🇨🇳 #2Top 26%🇨🇳#2 of 2
- #221Test Case Design957 freelancers · 🇨🇳 #2Top 23%🇨🇳#2 of 4
- #240Smartphone995 freelancers · 🇨🇳 #3Top 24%🇨🇳#3 of 5