Kofi Gumbs is a software crafter at 8th Light who enjoys using a variety of languages, frameworks, and technologies to solve new and interesting problems. By day, he finds himself refactoring, testing, and extending legacy code, and by night, he explores functional programing in static type systems with reliable contracts. As a consultant, he has worked with a number of large web applications in Ruby, Clojure and Java, but lately he has been pursuing mastery of Swift and Elm.