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Dmitry A.

Dmitry A.

Browser extensions expert (Chrome extension, Firefox addon)

I’m a browser extension developer with 12+ years of experience working with Chrome and Firefox extensions. A large part of my work has been related to Amazon and FBA tools. I’ve built and maintained extensions for product research, seller workflows, data collection, and other Amazon-related tasks. My own projects include DS Amazon Quick View, which reached more than 600,000 users, and Online Seller Addon. I’ve also worked on several other well-known Amazon seller extensions. Outside the Amazon niche, I worked for many years on Keywords Everywhere, a browser extension with more than 1 million installations. My main areas of work are: Browser extension development Amazon/FBA tools Website data extraction and automation API and backend integrations Manifest V3 migration and modernization of older extensions Chrome and Firefox compatibility I also have experience building mobile apps with React Native for iOS and Android. My background includes JavaScript, TypeScript, HTML, CSS, backend development, APIs, and databases. Master’s Degree in Computer Science.

🇩🇴Cabarete, Dominican Republic$50/hr100% JSS4.98 (64)Since Jun 2012

Earnings and projects

MRR
$128

Last 6 months ÷ 6

World#128,187 / 412k
🇩🇴Country#549 / 1,225
Revenue, last 30 days
$0

Last 6 months: $767

Total earnings
$281k

Billed in all: $283k

World#8,693 / 412k
🇩🇴Country#14 / 1,225
Per project
$3k

$767 in the last 6 months

World#55,757 / 412k
🇩🇴Country#265 / 1,225
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇩🇴Country#338 / 1,225
Projects in all
94

Across 103 contracts

40% fixed60% hourly
World#30,096 / 412k
🇩🇴Country#24 / 1,225

Earnings, last 30 days

$283kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$275k$280k$285k$290kOct 8Oct 23Nov 7

Skill rankings: Top 20% in jQuery

Ranked by MRR among everyone on Upwork with the skill.

  1. #14Firefox Plugin Development39 freelancers · 🇩🇴 #1Top 36%
  2. #48Perl216 freelancers · 🇩🇴 #2Top 22%
  3. #61Browser Extension203 freelancers · 🇩🇴 #1Top 30%
  4. #183Google Chrome Extension660 freelancers · 🇩🇴 #1Top 28%
  5. #414C1,974 freelancers · 🇩🇴 #1Top 21%
  6. #1,785jQuery8,973 freelancers · 🇩🇴 #3Top 20%
  7. #2,054API Development6,848 freelancers · 🇩🇴 #1Top 30%
  8. #2,823React Native10,486 freelancers · 🇩🇴 #3Top 27%