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About This Podcast
On Rails invites Rails developers to share real-world technical challenges and solutions, architectural decisions, and lessons learned while building with Rails. Through technical deep-dives and retrospectives with experienced engineers in the Rails community, we explore the strategies behind building and scaling Rails applications.
Hosted by Robby Russell of Planet Argon and produced by the Rails Foundation.
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Recent Episodes
S2E5 DHH: Basecamp 5, Vibe Coding, and the Future of Rails
David Heinemeier Hansson, creator of Ruby on Rails and co-owner of 37signals, joins Robby Russell the same week 37signals shipped Basecamp 5 to talk through the shift reshaping how software actually…
S2E4 Tom Rossi: Staying as Rails as Possible
Tom Rossi, co-founder of Higher Pixels and the team behind Buzzsprout, joins Robby to talk about what it really looks like to stay "as Rails as possible", purely out of pragmatism. With over 472,000…
S2E3 Jason Meller: Rails, Security, and the AI Advantage
Jason Meller, founder of Kolide (acquired by 1Password in 2023) and now VP of Product at 1Password, joins Robby for a conversation about a career at the intersection of Rails, cybersecurity, and…
S2E2 Brian Scanlan: Building AI-First at Intercom
In this episode of On Rails, Robby is joined by Brian Scanlan, Senior Principal Engineer at Intercom, where a 15-year-old Rails monolith with millions of lines of code sits at the heart of the…
S2E1 Simone Carletti: Rails at the Center of DNSimple
In this episode of On Rails, Robby is joined by Simone Carletti, CTO of DNSimple, where Rails has sat at the core of a globally distributed DNS platform since the company launched in 2010. Simone…
S1E10 Jay Tennier: How Testing Platform Rainforest QA Tests Itself
In this episode of On Rails, Robby is joined by Jay Tennier, Engineering Manager at Rainforest QA, where he's spent over seven years working across a long-lived Rails monolith and supporting…
Kayla Reopelle: What Your Rails App Is Trying To Tell You
In this episode of On Rails, Robby is joined by Kayla Reopelle, a lead software engineer at New Relic, where she works on both the Ruby Agent and OpenTelemetry RubyGems. They explore what…
S1E8 Miguel Conde & Peter Compernolle: Inside Gusto’s Rails Biolith
In this episode of On Rails, Robby is joined by Miguel Conde and Peter Compernolle from Gusto, where they work on a "biolith"—two distinct Rails monoliths serving 600+ engineers. Peter leads the…
S1E7 Alexander Stathis: Scaling a Modular Rails Monolith at AngelList
In this episode of On Rails, Robby is joined by Alexander Stathis, a Principal Software Engineer at AngelList, where Rails powers complex investment, accounting, and banking business logic across a…
S1E6 Florent Beaurain: Optimizing Rails Tests at Doctolib Scale
In this episode of On Rails, Robby is joined by Florent Beaurain, a longtime Rails engineer at Doctolib, home to one of the largest Rails monoliths in Europe with over 3 million lines of code and…
S1E5 Hilary Stohs-Krause: Scaling Rails with Small Wins
In this episode of On Rails, Robby is joined by Hilary Stohs-Krause, a Senior Software Engineer at Red Canary. They explore how engineering teams approach everyday performance work, from small Active…
S1E4 Ryan Stawarz & Austin Story: Inside Doximity’s 15-Year Rails Monolith
In this episode of On Rails, Robby is joined by Ryan Stawarz and Austin Story from Doximity, where Ruby on Rails has powered the core of their platform for over 15 years. The trio digs into how a…
S1E3 Nadia Odunayo & Scaling Rails for Millions of Users as a Solo Dev
In this episode of On Rails, Nadia Odunayo, founder and solo developer of The StoryGraph, joins us to share what it really takes to build and maintain a Rails application used by over four million…
S1E2 Jean Boussier & IO-Bound Misconceptions
Jean Boussier, Senior Staff Engineer at Shopify and member of the Rails Core team, joins Robby to dig into the performance realities behind modern Rails apps.They explore what it means to be IO-bound…
S1E1 Rosa Gutiérrez & Solid Queue
In this episode of ‘On Rails’, host Robby Russell (@planetargon) chats with Rosa Gutiérrez, Principal Programmer at 37signals, about the technical decisions behind Solid Queue - a database-backed job…
Frequently Asked Questions
On Rails has published 15 episodes since June 2025, covering topics in Technology.
On Rails is currently highly active with new episodes every 2 weeks. Average episode length is 1h 19m.
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