Mark R.

I have a vast amount of professional experience as an Android, Kotlin, and Java developer. I have taught all three in various professional settings as well. I also have a Ph. D. in Philosophy, and have taught courses in Philosophy, Logic, and Discrete Math. I have over 25 years experience as a professional programmer, most recently as an Android developer using Java and Kotlin (and the last six of those were at Square/Block). I was also recently an instructor for Big Nerd Ranch's Android,…