Backend Technologies

PHP
Laravel
Nodejs
Go lang
Serveless
Redis
RabbitMQ

Cloud and Server

AWS
Google Cloud
Docker
Kubernets
Digital Ocean
Dedicated Servers

Front-end Technologies

React
Nextjs
Angular
Vue
Apollo
PWA

Mobile development

React Native
Dart
Android
Swift

Others

Web Sockets
WebRTC
SIP
GRPC
GraphQL