Modern Module Architecture
The beautiful Magento module - MageTitans 2014
Writing Testable Code (for Magento 1 and 2) 2016 Romaina
Architecture in-the-small-slides
Writing testable Code (MageTitans Mini 2016)
Writing Testable Code (for Magento 1 and 2)
Stories from the other side
Getting your Hands Dirty Testing Magento 2 (at London Meetup)
Getting your hands dirty testing Magento 2 (at MageTitansIT)