You can then deploy to Github or just some CDN.
I don't particularly find it appropriate to use WordPress as a tech blog. It just sends the wrong message in my opinion.
That said, I am of the opinion that developers should take pride in developing their own blog platform. It's conventional wisdom after all that building a blog platform on a modern framework only takes (a few hours | a few days | certainly not a week).
I put together mine [1], including the javascript in about 3 days. People tend to hate the background, but I wanted something a little more visually engaging and I'm not a graphic designer. :)