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Ivan R.
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Ivan R.

Senior Node.js Developer & System Architect | Web & Chrome Extensions

Senior Node.js & Chrome Extensions Developer | 18+ Years of Experience I specialize in building high-performance web applications, browser extensions, and automation tools. My expertise includes: - Chrome Extensions: Advanced automation, API integrations, UI enhancements - Web Applications: Scalable and efficient solutions using Node.js, React - Scrapers & Parsers: Data extraction, automation, AI-powered captcha solving - Desktop Applications: Cross-platform apps using Electron - ERP & Document Automation: Custom workflow solutions for businesses 💡 Tech stack: Node.js, Chrome Extensions, React, Electron, PostgreSQL, Selenium

🇷🇸Lesnica, Serbia$75/hr100% JSS4.95 (18)Since Nov 2017

Earnings and projects

MRR
$12k

Last 6 months ÷ 6

World#773 / 412k
🇷🇸Country#3 / 4,015
Revenue, last 30 days
$12k

Last 6 months: $74k

World#968 / 412k
🇷🇸Country#10 / 4,015
Total earnings
$415k

Billed in all: $431k

World#4,118 / 412k
🇷🇸Country#57 / 4,015
Per project
$17k

$74k in the last 6 months

World#7,470 / 412k
🇷🇸Country#96 / 4,015
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇷🇸Country#1,119 / 4,015
Projects in all
24

Across 29 contracts

59% fixed41% hourly
World#116,630 / 412k
🇷🇸Country#1,537 / 4,015

Earnings, last 30 days

$431k+$12k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$410k$420k$430k$440kOct 8Oct 23Nov 7

Skill rankings: Top 0.12% in ExpressJS

Top 1% in 12 of 12 skills, ranked by MRR among everyone on Upwork with the skill.

  1. 2Google Chrome Extension660 freelancers · 🇷🇸 #1Top 0.30%
  2. #4Selenium2,249 freelancers · 🇷🇸 #1Top 0.18%
  3. #7ExpressJS5,651 freelancers · 🇷🇸 #1Top 0.12%
  4. #11GraphQL3,403 freelancers · 🇷🇸 #1Top 0.32%
  5. #13CSS 39,914 freelancers · 🇷🇸 #1Top 0.13%
  6. #14REST API5,062 freelancers · 🇷🇸 #1Top 0.28%
  7. #19Tailwind CSS6,978 freelancers · 🇷🇸 #1Top 0.27%
  8. #22HTML514,581 freelancers · 🇷🇸 #1Top 0.15%