Cloud Service: AWS, Azure, GCP
Web Backend Services: PHP/Yii/Laravel, Python/Django, C#/.Net, Node.JS
Databases: MySQL/SQL-Server, MongoDB, SQLite
Web Frontend: Typescript/Angular6+/React
Mobile: Hybrid, Android/iOS native, Wearables, Xamarin, React Native
Payment Gateways: Stripe, Paypal, 2checkout, Adyen, Nets
API Gateways: DialogFlow/[login to view URL], Google Speech, Bing Speech, Amazon Poly, Amzon Lex, Google Maps, Firebase
Machine Learning: Sphinx, TensorFlow