Previously I've done Web front end with CSS and Javascript and Web backend with AWS, GCP, Firebase, PHP, Java, Nodejs, even shell and CGI. I've also done mobile dev with native Blackberry (in Java), Android (again Java) and native iOS with Swift. I've also done hybrid mobile dev with Cordova, a bit of Appcelerator and a touch of React Naive.

Then I caught the Flutter bug and have since used it at work and to make some small games which are now available on the Apple App Store and the Google Play Store.