Back to leaderboardLast snapshot: Nov 7
Tianhui W.
AI & Machine Learning | A/B Testing, Software Testing, Testing, ETL
SUMMARY OF QUALIFICATIONS Data scientist specializing in ads measurement and experimentation, with 8+ years driving revenue strategy across Pinterest and Amazon Ads. Led analytics for enterprise advertisers, influencing ~$10M+ in spend through causal frameworks, audience strategy, and experimentation. Currently pursuing MIDS at UC Berkeley with a focus on causal inference and product analytics.
🇨🇦Toronto, Canada$999/hr100% JSSSince Aug 2026
Earnings and projects
MRR
$12,424$12k
Last 6 months ÷ 2.7 months active (since Aug 2026)
World#749 / 412,022 / 412k
🇨🇦Country#38 / 7,133 / 7,133
Revenue, last 30 days
$13,364$13k
Last 6 months: $34k
World#753 / 412,022 / 412k
🇨🇦Country#31 / 7,133 / 7,133
Total earnings
$34,280$34k
World#100,882 / 412,022 / 412k
🇨🇦Country#1,971 / 7,133 / 7,133
Per project
$34,280$34k
World#2,184 / 412,022 / 412k
🇨🇦Country#50 / 7,133 / 7,133
Projects, last 6 months
0
World#209,850 / 412,022 / 412k
🇨🇦Country#3,126 / 7,133 / 7,133
Projects in all
1
0% fixed100% hourly
World#360,671 / 412,022 / 412k
🇨🇦Country#6,317 / 7,133 / 7,133
Earnings, last 30 days
$34.3k+$13.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
Skill rankings: Top 0.08% in Data Mining
Top 1% in 5 of 5 skills, ranked by MRR among everyone on Upwork with the skill.
- Information Analysis523 freelancers · 🇨🇦 #2Top 0.57%🇨🇦#2 of 14
- #5Data Extraction5,086 freelancers · 🇨🇦 #1Top 0.10%🇨🇦#1 of 42
- #7Data Mining9,149 freelancers · 🇨🇦 #1Top 0.08%🇨🇦#1 of 50
- #11ETL1,555 freelancers · 🇨🇦 #1Top 0.71%🇨🇦#1 of 40
- #36Data Analysis14,624 freelancers · 🇨🇦 #3Top 0.25%🇨🇦#3 of 318