I am working with Ruby since many years and have become very proficient in building lean and clean applications that are maintainable and scalable, both in terms of performance but more importantly in terms of features.
CV: https://careers.stackoverflow.com/overbryd
Talks I have given:
Stateful Application Server in JRuby
https://speakerdeck.com/overbryd/stateful-application-server-in-jruby
Practical Functional Programming in Ruby
https://speakerdeck.com/overbryd/practical-functional-programming-in-ruby
Wrapping Apache HTTPClient
https://speakerdeck.com/overbryd/wrapping-apache-httpclient
Cuba Framework
https://speakerdeck.com/overbryd/cuba-framework
Fish a shell for the 90s
https://speakerdeck.com/overbryd/fish-a-shell-for-the-90s
Bitcoin Why and How
https://speakerdeck.com/overbryd/bitcoin-why-and-how
PStore not dead
https://speakerdeck.com/overbryd/pstore-not-dead
Thread gem
https://speakerdeck.com/overbryd/thread-gem
MySQL Trickery
https://speakerdeck.com/overbryd/mysql-trickery
Object Constancy In Visualisations
https://speakerdeck.com/overbryd/object-constancy-in-visualisations