Devon is a senior backend engineer at Sketch. Previously he spent 8 years as a freelance developer, working primarily with Elixir & Erlang since 2015. He has helped companies large and small in Europe and the United States benefit from the power of the BEAM. He is also a writer, international conference speaker, and committed supporter of open source software as a maintainer of Benchee and the Elixir track on exercism.io, as well as a frequent contributor to Elixir.