I'm professional software developer from 2000.

I use mostly Java, Python, Ruby, C, Go.
Other programming languages I use/used: Clojure, Common Lisp, Racket, Rust, Erlang, Elixir.

Other interests:

• woodworking
• electronics (analog/digital)
• all kinds of creative engineering

For more info check:

• https://www.linkedin.com/in/rafal-kotusiewicz/ <- my LI profile
• https://buzzlers.com <- this is my main company