Back to leaderboardLast snapshot: Nov 5
David F.
Software Engineering, Mathematics and LaTeX
After 25 years working in software development I went back to school to study Mathematics at Sorbonne University in Paris. I'm now back in the United States and available for work. I'm fluent in both English and French.
🇺🇸Honolulu, United States$75/hr100% JSS5.00 (6)Since Jan 2019
Earnings and projects
MRR (estimate)
≈ $391≈$391
An estimate from an earlier read
World#87,844 / 412,022 / 412k
🇺🇸Country#12,836 / 62,087 / 62.1k
Revenue, last 30 days
$0$0
Last 6 months: $2.3k
Total earnings
$86,293$86k
Billed in all: $91,279$91k
World#45,955 / 412,022 / 412k
🇺🇸Country#9,076 / 62,087 / 62.1k
Per project
$6,638$6.6k
$2.3k in the last 6 months
World#25,847 / 412,022 / 412k
🇺🇸Country#4,276 / 62,087 / 62.1k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412,022 / 412k
🇺🇸Country#16,472 / 62,087 / 62.1k
Projects in all
13
Across 15 contracts
40% fixed60% hourly
World#175,712 / 412,022 / 412k
🇺🇸Country#25,131 / 62,087 / 62.1k
Earnings, last 30 days
$91.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
No data since Nov 5, 2026.
Skill rankings: #1 in 1 skill of 15
Rarest: top 13% in LaTeX, of 570. Ranked by MRR among everyone on Upwork with the skill.
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- #434French2,610 freelancers · 🇺🇸 #21Top 17%🇺🇸#21 of 128