cutis itcompany canada usability testing single-page applications payment processing payment gateways hipaa ebook webrtc e-learning web development react native agile business development it crm realestate crmdevelopment choosecrm web application development cost ionic phonegap cordova test automation devops itoutsourcing mobile app e-commerce agile approach joomla wordpress single page applications spa saas cloud services mobile app development react native testing tools mocha javascript testing api software development api testing softwaretesting stripe paypal braintree