Staff Software Engineer working with #ruby, #elixir and Functional Programming advocate through #haskell and #elm - #Monad is the word.

all my content have a #creativecommons license CC BY-NC-SA 4.0 #CCBYNCSA

Member of Go Free Range software coop; Ruby developer; author of Mocha Ruby library.

The home of the Ruby community in the North West of England. Meets every third Thursday in Manchester.

Optimizing Ruby's JIT compilers. YJIT team at Shopify.