Plugins, extensions, browser protection development. More than 9 years of development the software that extends browser's abilities. Extensions for main browsers (Chrome, Firefox, Safari, Opera, Internet Explorer, Microsoft Edge). Porting the extensions between different browsers. Porting FireFox extensions from XUL/XPCOM to WebExtension architecture. Kango framework. Communication between extensions and Windows applications (Native Messaging). Extensions deobfuscation. Installing the extension from standalone installer (for Windows). Protection against key-logging, formgrabbing, etc (Zeus-like troyans) for all common browsers. POS protection. Extensions for social networks. Automation for Amazon, Ebay, Facebook, LinkedIn, AliExpress, Twitter, GMail, LinkedIn Voyager API TradingView. Real Estate sites scrapers/bots. Integration with SCATT trainer system Canon SDK (EDSDK, CDSDK) Nikon SDK Delphi5-XE8 RS-232 (RS232) port communication Telegram TDLib Inno Setup. MaxMind GeoIP Visual Foxpro