About me

My name is Jan Ouwens and I’m a developer from the Netherlands. Currently, I work for Codestar. I do a bunch of things:

• I code - [my projects]
• I speak - [my talks]
• I write - [my blog] [my other writings]
• I go to concerts - [the bands I’ve seen]

Projects

• EqualsVerifier - [site] [github] [java]
  A tool to make rigourously testing Java’s equals and hashCode methods a one-liner
• Parallel Java - [github] [java]
  A Todo Backend written in Java, without using annotations, to support my talk Java from a Parallel Universe
• PicoTest - [github] [java]
  An ultra-minimal unit-testing framework, based on the JUnit 5 Platform
• Foobal - [site] [github] [scala]
  A program I use to predict the outcome of soccer matches, so that I can participate in the family pool without needing to learn about the actual sport
• ReminderMail - [site] [github] [kotlin]
  A small Android app that makes it easy to quickly send mails to yourself
• ComposeKey - [site] [github] [scala]
  A bundle of text-expansion snippets for Alfred that mimic the behaviour of Linux’s compose key
• vim-reversal - [github] [vimscript]
  A colorscheme for Vim that highlights identifiers and de-emphasizes keywords, so you can easily see what’s important in your code

Writings

• 2011 - present, tr ouwens - 🇬🇧 [site]
  my tech blog
• My publications in the Dutch Java Magazine
  • September 2020, Actief worden in open source (met Danny van Bruggen)
  • October 2018, Lees dit niet! ☠️💣💥 - 🇳🇱 [site]
  • February 2018, Selenium is leuk met ScalaTest - 🇳🇱 [site]
  • April 2016, Een DSL kweken - 🇳🇱 [site]
  • June 2015, Grip op je buildproces met Gradle (met Hanno Embregts) - 🇳🇱 [site]
• 2009 - 2012, Brief en leed - 🇳🇱 [site]
  a funny letter-writing blog I did with my friend Ralf
• January 2008, Voorstel voor een methode voor de kwantitatieve analyse en vergelijking van beeldverhalen - 🇳🇱 [PDF]
  a way too in-depth survey of Asterix jokes
• August 2005, The Performance of Wireless MPEG-2 Video Streaming - 🇬🇧 [PDF]
  my Master’s Thesis