Mechanically it would be as simple as focusing on Thaumaturgy and potions, (runes). If you have focus items, those could be your tattoos, or a bag of rune stone. You could also have an aspect involving your runes specifically, so you can always have an easy tag based on your theme.
Did you have a theme, like FMA or a variation it that anime? Also, will you be using an existing set of runes, on an invented one?
Your comment on programming gave me the thought of some young computer geek from the currant generation, immersed in computers and social media from the time they could talk. Then BAM! Puberty and their powers hit, and they lose it all. But their powers are affected by the way they grew up. Casting spells by writing the effect out on a keyboard, spells written in programming languages, (indecipherable to other wizards).