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PODCAST

Elixir Mentor

Welcome to the Elixir Mentor Podcast, your go-to source for All Things Elixir. This show digs into the heart of the Elixir community, featuring interviews with enthusiasts and pioneers who share their stories and innovative projects that define our ecosystem. Each episode explores groundbreaking libraries and boundary-pushing applications shaping Elixir"s future. We discuss best practices, emerging trends, and the latest tools and techniques. Perfect for developers at any stage of their Elixir

technology

All Episodes

01:28:33

Mike Hostetler on Jido v3

Elixir Mentor ·

2026/10/02

Mike Hostetler, creator of Jido and ReqLLM, is back for round three. Jido 2.0 hit the top of Hacker News and took his docs server down with it, and Jido v3 betas are already on Hex. We get into agentic back pressure, why models write better declarative Elixir, why most actors don't need an LLM at all, durable workflows with Jido Flow, and the multiplayer harness he's building on OTP.Plus Grok Bots and personal agents, reverse engineering bad IoT apps, and live questions from chat.00:00 -

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01:28:58

Michael Lubas on the State of Security

Elixir Mentor ·

2026/09/25

Michael Lubas, CEO of Paraxial.io and the first guest ever on this podcast, is back to check in on the state of security. We get into Microsoft's record Patch Tuesday, why AI keeps lowering the bar for attackers, the OpenAI sandbox escape story, and whether the AI labs are overstating the risk.Michael shares why cheap foundational checks still beat a frontier model, why small companies should skip bug bounties, and why Elixir gets no credit for its security. Plus live questions from chat.00:00 -

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01:29:22

Adam Gusky on Getting Recommended by AI

Elixir Mentor ·

2026/09/24

Adam Gusky, solo founder of Blawgy, on how businesses get recommended by ChatGPT and other AI tools, and what technical founders get wrong about marketing. Adam went from a college wrestling meme page and 30 side projects to quitting his job, selling Blawgy as a hand-built service, watching it churn, and rebuilding it into a product agencies now run for their clients.We get into SEO vs AEO, whether a post every day still works, and why most people will buy software instead of vibe coding it. I share

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01:44:23

Brice Ayres on Fractional Engineering

Elixir Mentor ·

2026/09/18

Brice Ayres, founder of Axio Intelligence, on fractional engineering and what changes when one senior engineer can run a team of AI agents. Brice went from the Army and a 3.7 million follower Facebook cause to finding Elixir at Topgolf, leading engineering orgs, and going out on his own.We get into managing agents like an engineering org, whether you still need to read every line, and why Ash keeps LLMs on the rails. I share how a team of Grok Bots handles marketing, support, and QA for Killswitch,

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01:37:28

Francesco Ciulla on Winning Developer Adoption

Elixir Mentor ·

2026/06/27

In this episode of the Elixir Mentor Podcast, I step a little outside the BEAM to talk with Francesco Ciulla, Head of DevRel at Zerops. Francesco came up as a Rust developer and content creator with a 300,000-subscriber YouTube channel, and we get into the problem every builder runs into: getting developers to actually adopt what you ship.Francesco shares how he went from a corporate developer role at the European Space Agency to going independent, building an audience, and publishing his own Rust

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01:33:05

Jason Allum on Beadwork

Elixir Mentor ·

2026/06/20

Jason Allum returns to the Elixir Mentor Podcast to talk about Beadwork, his filesystem-native, git-synced issue tracker built for AI coding agents. With 40 years of building software and cleaning up other people's messes, Jason has a sharp read on where agentic coding falls apart.The conversation starts with Beads, the ticketing tool that inspired Beadwork, and why it eventually devolved into slop as it grew. Jason explains how coding agents lose the thread on long tasks through compaction and

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01:31:25

Tjaco Oostdijk on Drums to Elixir

Elixir Mentor ·

2026/06/07

In this episode of the Elixir Mentor Podcast, I talk with Tjaco Oostdijk, a drummer turned Elixir developer now working at DPG Media, one of the largest media companies in the Netherlands. Tjaco played drums professionally from the age of seven and has taught for 22 years, before landing in software through a music distribution company writing Ruby and eventually moving to Elixir nearly a decade ago.We get into what it takes to keep Elixir running inside a large enterprise. DPG adopted Elixir after

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01:50:19

Peter Ullrich on Hunting CVEs

Elixir Mentor ·

2026/05/30

Peter Ullrich returns to talk about a CVE hunt across the most-downloaded Hex packages, run with Claude Code on Opus 4.7. After ElixirConf EU pulled him into AI security, he started pointing Opus at popular libraries day and night, and within half an hour of his first serious attempt he found the Decimal vulnerability, where raising 10 to a huge power can blow up an application's memory.We get into what separates a real CVE from noise, how CVSS scoring works, and why reachability matters so much,

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01:35:06

Jason Allum on Bedrock

Elixir Mentor ·

2026/05/24

In this episode of the Elixir Mentor Podcast, I sit down with Jason Allum, creator of Bedrock and Beadwork and a 40-year veteran of computing, to talk about Bedrock: an embedded, distributed key-value store for Elixir with guarantees that go beyond ACID.Jason walks through the problem Bedrock solves, keeping distributed state consistent when the same data is read and written across many nodes. We get into why the BEAM's decades-old ideas map cleanly onto today's AI and agent workloads, how Bedrock

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01:31:41

Michael Lubas on AI, Attack, and Defense

Elixir Mentor ·

2026/05/16

Michael Lubas, CEO of Paraxial.io, returns to the Elixir Mentor Podcast to talk about AI's dual role in cybersecurity: finding the vulnerabilities and writing the code that creates them. Michael was my first-ever guest, and a lot has changed since his last appearance — most of it driven by the inflection point of the past six months.We open with the Hex package manager penetration test that Paraxial conducted as part of the Aegis initiative under the Erlang Ecosystem Foundation, funded through Alpha

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01:36:53

Vasilis Spilka on LLMs & Ash

Elixir Mentor ·

2026/04/21

In this episode of the Elixir Mentor Podcast, I chat with Vasilis Spilka, Head of Software Development at Teacherspace, about building agentic software as a solo developer, the pairing of Ash and LLMs, and what it takes to ship a startup side project alongside a day job.Vasilis shares his path from Ruby on Rails in 2014 to nearly a decade of Elixir work across fintech, supply chain, and ad tech. We talk through Teacherspace's recent acquisition, the challenges of integrating with legacy Danish

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01:40:23

Luca Corti on Bringing Elixir to Fintech

Elixir Mentor ·

2026/04/12

In this episode of the Elixir Mentor Podcast, I sit down with Luca Corti, CTO at Sibill, a Milano-based fintech startup building cash flow management software for Italian small and medium businesses. Luca walks through his path from the early days of the internet at a small ISP in Milano to discovering functional programming at a major Italian telco—and why Elixir clicked for him immediately after years of fighting mutable state in OOP.Luca shares how he joined Sibill with an existing Python and

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01:35:24

Steve Domino on Starting a Fintech

Elixir Mentor ·

2026/04/04

Steve Domino is the co-founder and CTO of Crew, a fintech startup building what he calls the most powerful checking account in the world — one with programmable automation rules, a family-scoped AI financial assistant, and zero of the fees that make traditional banking frustrating. He came up through startups, spent time at Divvy before its Bill.com acquisition, and brought his Elixir experience directly into Crew's foundation.We cover a lot of ground on the product side: how Crew's "Autopilot"

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01:32:40

Mark Cotner on Scaling Telecom

Elixir Mentor ·

2026/03/29

Mark Cotner is a DBA managing around a thousand databases by day and a telecom CTO by night — building hospitality cable networks for RV parks, nursing homes, and apartment complexes at 100% annual growth. In this episode, he walks through the infrastructure, the business, and the two-year project that just landed on Hex: Timeless, an embedded observability suite for Elixir built on Rust NIFs, hitting 3 million metric inserts per second with 14:1 compression.We get into what a hospitality network

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01:31:03

George Millo on Agentic Coding

Elixir Mentor ·

2026/03/22

George Millo — creator of Learn Phoenix Live View and alumnus of the Gauntlet AI fellowship — joins me to talk through what really changes when you commit to LLM-driven development. George went through Gauntlet's intensive 10-week program built around LLM maximalism, came out the other side rethinking how he builds software, and has spent the past year working on an AI-first engineering team applying those lessons in production.We spend a lot of time on the practical realities of agentic coding:

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01:35:58

Leandro Pereira on MDEx

Elixir Mentor ·

2026/03/14

Leandro Pereira is back on the Elixir Mentor Podcast — this time to dive deep into MDEx, his Rust-powered Markdown library for Elixir. MDEx is built on the Comrak Rust crate, runs 31x faster, and uses 3,500x less memory than existing Elixir alternatives. We also get into Lumis, his standalone syntax highlighting engine powered by tree-sitter and Neovim themes.Leandro walks through why he chose a Rust NIF over a pure Elixir implementation, what it took to ship Lumis as its own project, and the

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01:54:43

Josh Price on Ash & Alembic

Elixir Mentor ·

2026/03/11

Josh Price, founder & CTO of Alembic and one of the core forces behind Ash Framework, joins me for a wide-ranging conversation that starts with the origin story of Alembic, winds through the history of GraphQL and Ash, and lands on Clarity — his new interactive introspection and visualization tool for understanding your Ash codebase. Josh has been writing Elixir for over ten years and building Alembic for nine, which gives him a rare perspective on how the ecosystem has matured and where it's

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01:38:03

Thomas Athanas on Building Without Vendor Lock-In

Elixir Mentor ·

2026/03/07

Thomas Athanas, Head of Engineering at LevelAll, joins me on the Elixir Mentor Podcast to talk through the infrastructure, architectural, and leadership decisions that come with building systems you actually own — and what happens when vendor lock-in catches up with you in production.Thomas walks through LevelAll's move away from Fly and Gigalixir toward bare metal hardware, the thundering herd problem that comes with serving 50,000 concurrent education users, and why they made the call to remove

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01:37:28

Amos King on sharing knowledge

Elixir Mentor ·

2026/02/21

In this episode of the Elixir Mentor Podcast, I sit down with Amos King, Senior Staff Backend Engineer at Adobe, founder of Binary Noggin, and longtime Elixir community contributor. We dig into mentorship, knowledge sharing, and the team dynamics that make software organizations actually thrive.Amos traces his non-traditional path into software — from structural engineering to manufacturing automation to Erlang on Navy submarines — and explains how that background shapes how he thinks about building

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01:29:27

Dave Lucia on Building TV Labs

Elixir Mentor ·

2026/02/14

In this episode of the Elixir Mentor Podcast, I chat with Dave Lucia, CTO and Co-Founder of TV Labs. Dave returns to the podcast to talk about building an AI-powered smart TV testing platform that lets media companies test streaming apps on hundreds of real physical devices through the cloud — all built primarily in Elixir.Dave walks through the founding of TV Labs, from meeting his co-founder at Bloomberg over a decade ago to building an MVP with WebRTC during the pandemic. He covers the technical

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