EMx 086: Teaching Your Team Elixir with Mike Binns

00:00 42:35
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In this episode of Elixir Mix the panel interviews Mike Binns. Mike is a Senior Software Engineer at DockYard, Inc. and he presented at ElixirConf 2019 about getting a whole team new to Elixir up to speed quickly with Cars.com.

Mike explains why Elixir was chosen as the technology to use and how much effort and planning goes into helping a team transition. Cars.com had already decided to move onto Elixir and brought on DockYard to train their engineers.

Mike advises recognizing the existing team's previous skillset and experience levels. Mike and fellow DockYard colleague captured what they learned in Project Ironman which automatically adds things like credo, dialyzer, coveralls, mix test watch, etc… to your project. They then talk about what mob programming is and how it helps to arm a new team. Finally, the panel asks Mike if he would do anything differently and tips for bringing new developers into a running project and team.


  • Mark Ericksen
  • Josh Adams
  • Sophie DeBenedetto


  • Mike Binns



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Josh Adams:

Sophie DeBenedetto:

Mark Ericksen:

Mike Binns:


What is Project Ironman?

What is mob coding? Mob coding or Mob programming is an exercise where the whole team works on the same problem at the same time at the same computer to bond and learn together.

How is mob programming similar to or different than pair programming.

Pair programming involves more of a mentor mentality where it is an exercise to elevate a developers code with the expertise of the pair.

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