WordPress, obviously. Everything on it. If I don’t know something, give me some minutes and I’ll ping you back. I’m also a WordPress Multisite expert.
PHP. I’m obsessed with writing clean code. DRY and KISS are always in my mind. My plugins are always extensible. I have a very good understanding of OOP and patterns.
PHPUnit. I like to make testable stuff but I love to see how a broken code becomes a bullet proof code.
Package management? Bower, npm, Composer? Not a problem.
Automation. Gulp and Grunt, sure.
Git. Cannot live without it.
Bash/scripting. You need me to make a shell script that cooks for you. I’m sure there’s a way.
I’m very used to deal with large networks. Multisites of millions of sites have passed for my hands. I know pretty well what kind of optimization is needed in a big site.
Photoshop. I know how to deal with it. Sometimes I have to fight a little.