José Valim, creator of Elixir and form Rails core contributor

May 6, 2022, noon (7 months ago)

[00:01:29] José tells us his background and what he does, and Seth explains how he found himself on a Ruby podcast with the Elixir creator.

[00:03:47] We find out how José got started in Ruby and progress into being a Rails core team member.

[00:07:40] We hear how José went from being a Rails core team member to creating Elixir, and he tells us about an influential paper called, “The Free Lunch Is Over.”

[00:24:28] José talks about the story of Elixir, the story around putting it into the world, the features that have grown in it, and the adoption.


[00:26:46] We learn more about if José considers himself a Web Developer before he got into writing Elixir.

[00:32:34] Jose shares how long it took him to get from starting Elixir to where he felt confident in it with people running in production.

[00:34:54] Where does Phoenix, a popular web framework for Elixir, come into play?

[00:41:11] José shares a story about LiveView.

[00:51:16] José goes in depth about distributed systems and the solution that most people would do and the really cool solution. 

[01:03:13] Jason brings up something José said which was, “Using Elixir and Phoenix, it’s just a great developer experience,” and he expands more on this explaining the good cases outside of concurrency for using Elixir.

[01:09:33] Chris wonders if there are any rough edges of Elixir that José still wants to put some polish on.

[01:15:42] We hear about Laravel and how they are a great example of trying to be all encompassing.

[01:16:09] José shares his thoughts on supporting authentication in a web application.

[01:23:24] We learn what José is working on that’s new and exciting with Elixir, and he also tells us about Nerves, FarmBot, Broadway, and Numerical Elixir.

[01:31:32] Find out where you can follow José on the internet. 


Jason Charnes

Chris Oliver

Andrew Mason


José Valim




Ruby Radar Newsletter

Ruby Radar Twitter

José Valim Twitter

José Valim LinkedIn


The Free Lunch is Over: A Fundamental Turn Toward Concurrency is Software 


Moz Developer Blog

Phoenix Framework




Numerical Elixir (Nx) 

Login to Add New Comment
No comments have been posted yet, be the first one to comment.