José Valim

#ruby

#concurrency

#elixir

#community

#ruby-on-rails

#sinatra

#rack

#middleware

#rendering

#rails-internals

#threading

#actor-model

#clojure

#erlang

#open-source

#sustainability

#consulting

#burnout-prevention

#machine-learning

#web-applications

#ruby-community

#inspiration

#interoperability

#object-oriented-programming-oop

#programming-languages

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