We've got about 2 years experience in SPA development using PHP (yii framework) / NodeJS ( framework) APIs (including REST). For backend - experience real-time applications (PHP - Ratchet, NodeJS ), as well as work with various API (Merchant Plugin, SagePay, Fastspring, EasyPay, Monexy, LiqPay, Coinbase, Blockchain), Experience designing databases and create migrations for them to MySQL, PostgreSQL and MongoDB. Trial experience t, at an experimental stage - its active use in AngularJS applications, and in applications React-only. Great work experience with parsing google maps ape3 . A lot of experience of working W clean code namr and Java Script.