Backend development

Languages: Elixir, Ruby, Golang, Javascript

Frameworks: Phoenix, Ruby on Rails, Node.js

Other: GraphQL, Postgresql, RabbitMQ, Redis

Frontend development

Languages and techniques: HTML5, CSS3, JavaScript, TypeScript,Graphql, Material UI

Frameworks: ReactJS + Redux, React Hooks, Context, Bootstrap.

Mobile App development

Native: Java, Kotlin, Objective C, Swift

Cross Platform: React Native