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.
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Rails Foundation Robby Russell Podcasts
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Alexander Stathis: Scaling a Modular Rails Monolith at AngelList
1:28:51
1:28:51
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1:28:51
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 modular monolith structure. They explore how AngelList maintains conceptual boundaries in their codebase, uses gradual typing to influence their Ruby st…
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Florent Beaurain: Optimizing Rails Tests at Doctolib Scale
1:18:09
1:18:09
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1:18:09
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 400+ engineers. They explore how Doctolib’s team tackled massive test suite performance issues, including cutting one engine’s test time from seven minute…
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Hilary Stohs-Krause: Scaling Rails with Small Wins
1:27:38
1:27:38
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1:27:38
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 Record optimizations to larger architectural decisions. Hilary shares insights from Red Canary's journey switching from React to Rails' native Hotwire…
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Ryan Stawarz & Austin Story: Inside Doximity’s 15-Year Rails Monolith
1:11:54
1:11:54
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1:11:54
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 single Rails monolith has evolved to support 100+ engineers and a mobile-first experience for millions of healthcare professionals. From front-end framewo…
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Nadia Odunayo & Scaling Rails for Millions of Users as a Solo Dev
54:10
54:10
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54:10
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 readers across web and mobile. We discuss lessons from launching a PWA, shifting to Turbo Native for cross-platform support, and navigating challenges li…
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Jean Boussier & IO-Bound Misconceptions
1:05:16
1:05:16
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1:05:16
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 or CPU-bound, how Ruby’s Global VM Lock affects concurrency, and why "fast" is too vague to be useful. Jean explains why instrumentation is often the…
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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 queue replacing Resque in their Rails apps. Rosa dives into why her team built Solid Queue, how it improves reliability, visibility, and maintainabili…
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