I am a senior web and mobile developer. I am expert in following technologies: Main skills: - Outside APIs integration (Facebook, Google, Twitter, LinkedIn, Vimeo, Kissmetrics, YouTube, Wistia) - Server layer for mobile applications - Payment Gateways integration (Paypal, Google checkout, Stripe and Converge etc) - Drupal and Foundation - Online manipulations with files(pdf, xls(x), csv and zip) and images - Code testing (PHPUnit) - Creating full automated systems for scraping/sending data from/to protected sites - Fixing bad/old coe and doing step-by-step full code refactoring without breaking live mode.. - Complex math calculation