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Viktor S.
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Viktor S.

Software developer

Browser automation, extensions development, webscraping, PDF extraction, browser protection development. More than 15 years of development the software that extends browser's abilities. Extensions for main browsers (Chrome, Firefox, Safari, Opera, Internet Explorer, Microsoft Edge). Web Scrapers (Web Scraping, Data Scraping, Data Extraction, Data Mining). Scrape information from social media, ecommerce, real estate, etc sites (as example Inc5000, Clutch). Finding decision makers. Porting the extensions between different browsers. Testing and debugging extensions. Communication between extensions and Windows applications (Native Messaging). Extensions deobfuscation. Installing the extension from standalone installer (for Windows). Converting extension from Manifest V2 to Manifest V3 Protection against key-logging, formgrabbing, etc (Zeus-like troyans) for all common browsers. POS protection. PDF conversion and processing. Extensions for social networks. Automation for Amazon, Ebay, Facebook, LinkedIn, AngelList, AliExpress, Twitter, GMail, LinkedIn Voyager API Google Maps API Airtable API Reddit API TradingView. MQL5/MQL4 MT4 to MT5 conversion Real Estate sites scrapers/bots. Extensions for Outlook. Integration with Trello, Podio, JIRA, Slack, mySMS Integration with SCATT trainer system Telegram web, WhatsApp web integration. Canon SDK (EDSDK, CDSDK) Nikon SDK Javascript, React.js, Vue.js, Google Sheets Automation (Apps Script). Python (Beautiful Soup, Scrapy, Selenium, Playwright) Delphi5-XE8 C#, Windows Forms, WPF RS-232 (RS232) port communication Telegram TDLib Inno Setup. MaxMind GeoIP

🇺🇦Kharkov, Ukraine$27/hr100% JSS4.94 (74)Since Aug 2015

Earnings and projects

MRR
$161

Last 6 months ÷ 6

World#121,182 / 412k
🇺🇦Country#4,464 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $963

Total earnings
$64k

Billed in all: $66k

World#61,494 / 412k
🇺🇦Country#3,736 / 14.3k
Per project
$599

$321 in the last 6 months

World#166,365 / 412k
🇺🇦Country#7,168 / 14.3k
Projects, last 6 months
3
67% fixed33% hourly
World#66,481 / 412k
🇺🇦Country#2,681 / 14.3k
Projects in all
107

Across 113 contracts

58% fixed42% hourly
World#25,376 / 412k
🇺🇦Country#1,168 / 14.3k

Earnings, last 30 days

$66.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$65k$66k$67k$68kOct 8Oct 23Nov 7

Skill rankings: Top 17% in AJAX

Ranked by MRR among everyone on Upwork with the skill.

  1. #13Firefox Plugin Development39 freelancers · 🇺🇦 #2Top 33%
  2. #34Delphi130 freelancers · 🇺🇦 #7Top 26%
  3. #58Browser Extension203 freelancers · 🇺🇦 #8Top 29%
  4. #172Google Chrome Extension660 freelancers · 🇺🇦 #11Top 26%
  5. #236LinkedIn Development800 freelancers · 🇺🇦 #4Top 30%
  6. #275JSON1,293 freelancers · 🇺🇦 #36Top 21%
  7. #348AJAX2,006 freelancers · 🇺🇦 #32Top 17%
  8. #1,070LinkedIn3,309 freelancers · 🇺🇦 #12Top 32%