Proudly tech-savvy sort

• IT guy by day, Quidditch player at night, e.g
• Linux programmer fluent in Klingon, e.g
• One who's fluent in both JavaScript and Klingon, say
• Ultimate computer whiz
• Super computer whiz
• Epithet for a computer whiz
• One fluent in Java and Klingon, maybe

Wiktionary Word definitions in Wiktionary
n. (context computing English) A highly proficient geek.