Thinking Elixir Podcast

News and interviews for the Elixir community

About the show

The Thinking Elixir podcast is a weekly show where we talk about the Elixir programming language and the community around it. We cover news and interview guests to learn more about projects and developments in the community.

Whether you are already experienced with Elixir or just exploring the language, this show is created with you in mind. We discuss community news, Functional Programming, transitioning from OOP, coding conventions, and more.

Guests visit the show to help challenge our assumptions, learn about new developments and grow in the process.

Subscribe to join us on this journey!

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  • 63: SMS Texting in Nerves with Peter Ullrich

    September 7th, 2021  |  43 mins 33 secs

    We talk with Peter Ullrich about his experience sending SMS messages from a Raspberry Pi Zero using Nerves. We cover what went well, what didn’t and get a glimpse into the current state of Nerves for a newbie when dealing with hardware.

  • 62: Chris McCord joins and Phoenix 1.6

    August 31st, 2021  |  56 mins 57 secs

    We talk with Chris McCord about his recent announcement that he’s moved to work at! We cover what this means for the Phoenix project and ongoing Phoenix development work. He shares why he’s excited about the Fly platform which includes how it re...

  • 61: Elixir's Recent Brex-it

    August 24th, 2021  |  30 mins 32 secs

    We cover the news then talk about the Brex announcement that they are shifting to a Kotlin-first strategy over Elixir. This reminds us of patterns we’ve seen in our careers and we reflect on what it means to us personally and professionally.

  • 60: Compile Faster with Marc-André Lafortune

    August 17th, 2021  |  43 mins 2 secs

    We talk with Marc-André Lafortune about reducing Elixir project compile times. On larger projects, when a single file like a view template is changed and over 100 files get recompiled, there is something wrong.

  • 59: How Elixir Came to Spotify with Joel Kemp

    August 10th, 2021  |  43 mins 5 secs

    We talk with Joel Kemp about his experience introducing Elixir at Spotify. We learn about the concurrency problems he had with the default stack and how that was solved with the BEAM. We talk about the inertia that larger companies have that make intro...

  • 58: News and Livebook for Business Intelligence

    August 3rd, 2021  |  21 mins 25 secs

    After covering the news we catch up on what Elixir things we've been thinking about and working on. Mark brings up using Livebook as a Business Intelligence tool for doing analysis of a running application's data.

  • 57: Scaling Live Chat with Cade Ward

    July 27th, 2021  |  57 mins 19 secs

    We sat down with co-host Cade Ward to hear how he and his team tackled a problem of hosting live web chats with crowds of 120K+ users coming together for live events. On the show, we have talked with a couple guests with similar bursting high-load situ...

  • 56: Fly-ing Elixir Close to Users with Kurt Mackey

    July 13th, 2021  |  59 mins 32 secs

    We talk with Kurt Mackey, founder at, about what makes the Fly platform unique and why hosting Elixir applications there makes a lot of sense. They started out looking to make a better CDN for developers and this pushed them to try deploying Ful...

  • 55: Learning from Failure with Philipp Schmieder

    July 6th, 2021  |  37 mins 23 secs

    We talk with Philipp Schmieder about his experience creating a LiveView application for a political party’s convention and then watching the app blow up. We learn how he recovered, why it failed, and how he fixed it going forward.

  • 54: AST Parsing using Sourceror with Lucas San Román

    June 29th, 2021  |  53 mins 39 secs

    We talk with Lucas San Román about his library Sourceror and how it was created to solve some AST parsing limitations. The Elixir parser discards code comments, so it can’t be used for re-writing Elixir code when refactoring.

  • 53: SOLID Elixir with Ilya Averyanov

    June 22nd, 2021  |  35 mins 49 secs

    We talk with Ilya Averyanov about how the SOLID principles, typically associated with OOP, can apply to Elixir. We talk about Ilya's blog post where he applied these principles to his Github project and how that helped in PR discussions.

  • 52: IOList and Postgres with Nathan Long

    June 15th, 2021  |  49 mins 37 secs

    We take a deeper dive with Nathan Long into IOLists in Elixir. We cover what they are, how they work, the power they have when concatenating strings, and how they are used in Phoenix and Logger. We even talk about improper lists and why they exist.