Rails with Jason

In this episode I talk with Michael Ferranti from Unleash about feature flags, trunk-based development, and why DevOps metrics alone aren't sufficient. We discuss FeatureOps—focusing on customer outcomes rather than just code delivery—plus the "three voices" (engineering, business, customer) and AI's role in accelerating feedback loops.Links:UnleashNonsense Monthly

In this episode I talk with Josef Strzibny about his books Deployment from Scratch and Kamal Handbook, the economics of info products in the Ruby space, his new project Lake AI, and his road trip through the Balkans. We also compare driving cultures across Europe and the US.Links:Kamal HandbookDeployment from ScratchNonsense Monthly

In this episode I talk with Tom Akehurst, CTO and Co-founder at WireMock, about API mocking, testing philosophy (verification vs specification, contracts, the testing pyramid), inner vs outer loop development, and MCP (Model Context Protocol) for integrating AI coding tools with external services.Links:WireMockWireMock on YouTubeTom Akehurst on LinkedInNonsense Monthly

In this episode I talk with Jarrett Yew about his 10-year programming journey, early freelancing failures, working with difficult clients, and we go deep on AGI, neuroscience, spatial reasoning in language, and David Deutsch's theories on perception.Links:Jarrett Yew on LinkedInjarrettyew.comNonsense Monthly

In this episode I talk with Raphael Masson, CTO of Missive, and Craig Kerstiens from Crunchy Data. We cover bootstrapping Missive from a side project (Conference Badge), growing from 3 to 15 employees, migrating off Heroku, and why most developers underutilize Postgres.Links:MissiveCrunchy DataNonsense Monthly

In this episode I talk with Mike Bowers, Chief Architect at Faircom, about ISAM—the bare-metal database layer that predates SQL and powers stock trading systems. We cover Faircom's pivot into industrial IoT, their JSON/SQL hybrid approach, and discuss AI, consciousness, and the symbol grounding problem.Links:FairComNonsense Monthly

In this episode I talk with Mike Mroczka about his book Beyond Cracking the Coding Interview. We discuss why algorithmic interviews persist, how AI has disrupted hiring, and why personal branding matters more than ever. Mike shares strategies for bypassing flooded job applications by contacting hiring managers directly.mikemroczka.comBeyond Cracking the Coding Interview on AmazonCracking the Coding Interview by Gayle McDowell

In this episode I talk with Austin Chadwick and Chris Lucian about AI and machine learning. We discuss why LLMs may not lead to AGI, the history of AI funding, the philosophy of induction versus explanation, and my robot project idea for building intelligence from sensory experience up.Links:Mob Mentality ShowNonsense Monthly

In this episode I talk with Gregory Kapfhammer about flaky tests. We cover their five main causes, why fixing individual flaky tests isn't enough, and how test suite health connects to broader engineering practices, team culture, and the overall quality mindset of an organization.Links:https://www.gregorykapfhammer.com/The Beginning of InfinityGödel, Escher, Bach by Douglas HofstadterZen and the Art of Motorcycle Maintenance by Robert PirsigNonsense Monthly

In this episode I talk with Todd Kaufman about founding Test Double, focusing on hiring senior consultants who excel at communication and empathy. We discuss how consulting is 90% psychology, the importance of seeking to understand before being understood, and why most software projects still fail due to organizational rather than technical issues.Links:Test Doubletodd@testdouble.comNonsense Monthly

In this episode I talk with Irina Nazarova about the San Francisco Ruby Conference happening November 19-21. She explains why SF needs a Ruby conference, the focus on connecting Ruby startup founders with engineers, showcasing new companies building with Rails, and fostering a pragmatic community centered on growth and innovation.Links:San Francisco Ruby ConferenceSF Ruby Cloud CardsEvil MartiansNonsense Monthly

In this episode I talk with Matthew Ford about AI-assisted coding at BitZesty. We discuss how AI speeds up development while requiring human oversight, the risks of "vibe coding," why automated testing remains critical, and how AI changes but doesn't replace fundamental software development practices like version control and architecture decisions.Links:Bit ZestyMatthew Ford on TwitterMatthew Ford on BlueskyNonsense Monthly

In this episode I talk with Steve Ruiz about creating TLDraw, an open-source canvas SDK. We discuss the intersection of design and engineering, managing complexity through abstractions, state machines, and how multiple rewrites helped him discover the core problems. Steve shares insights on building developer tools and solving difficult UI challenges.Links:tldrawSteve Ruiz's personal websiteNonsense Monthly

In this episode I talk with Anthony Eden about building DNSimple, a DNS provider and domain registrar. We discuss his 25 years in the domain industry, technical challenges, and why specialized niches create natural competitive moats.DNSimpleAnthony Eden on LinkedInanthony@dnsimple.comNonsense Monthly

In this episode I talk with Radan Skorić about his book Master Hotwire, the challenges of Hotwire documentation, blogging in the AI age, how AI affects content creation, the Chinese room thought experiment, consciousness and computation, trust versus critical thinking, and why quality content that goes deeper than AI can produce still matters.Master Hotwireradanskoric.comRadan's Rails World talkJason's stuff:Nonsense MonthlySaturnCI

In this episode, I discuss AI with Daniel Nastase, covering Daniel's journey from building neural networks from scratch to understanding embeddings and vector databases. We explore the limitations of current AI learning models versus explanation-based reasoning, and discuss practical AI applications including agents and voice interfaces for programming.JS CraftDaniel's LangGraph bookDaniel's LangChain bookSaturnCINonsense Monthly

In this episode I talk with Cody Norman about his journey from economics to programming, his tattoo shop management software SpotSquid, and lessons from building products for non-technical users. We discuss market challenges, customer development strategies, and Cody's path to conference speaking.CodyNorman.comSpot SquidNonsense MonthlySaturnCI

In this episode I talk with Joel Drapper about open source development, the joy of coding without constraints, AI tools like GitHub Copilot, and our shared discomfort with the phrase "duplication is better than the wrong abstraction." We explore abstraction, technical debt versus "technical poison," and our mutual search for high-quality work environments.Joel Drapper on LinkedInPhlexNonsense MonthlySaturnCI

In this episode I talk with Jim Remzick about how AI has affected the job market, the value of in-person networking, and XO Ruby, Jim's series of regional Ruby conferences happening across the US.XO RubyFlagrantNonsense Monthly

In this episode, I talk with Joe Masilotti about his new book on Hotwire Native, which lets Rails developers build mobile apps using web views with native functionality. We explore the writing process, consulting approaches, client engagement strategies, and how both of us find clients through speaking and writing.Hotwire Native for Rails Developers book (use discount code CodeWithJasonHotwire for 35% off)Joe Masilotti's websiteNonsense Monthly

In this episode, I chat with Paul Hammond about effective testing strategies, the joy of working with well-designed TDD systems, and how synchronous collaboration improves code quality. We examine what true agility means and how technical excellence enables fearless releases and sustainable development.Feedback-Driven DevelopmentPaul Hammond on LinkedInNonsense Monthly

In this episode I talk with Dan Moore from FusionAuth about authentication solutions, testing strategies, and when to skip tests based on risk and cost factors, then dive into philosophical discussions about experience versus knowledge, objective versus subjective programming practices, and imperative versus declarative coding approaches.FusionAuthDownload FusionAuthFusionAuth articlesUse managed services

In this episode I talk with Gayle Laakmann McDowell, author of Cracking the Coding Interview. We discuss coding interviews as well as the current state of the job market and economy.Cracking the Coding Interviewgayle.comNonsense Monthly

In this episode I talk with Michael Lubas, founder of Paraxial, a software security product for Ruby on Rails applications. We discuss his background in both development and penetration testing, and his recent creation of GemShop - a deliberately vulnerable Rails 8 e-commerce application designed to teach developers about web security through hands-on experience. Michael explains common attack vectors like credential stuffing, the legal complexities around security research, and why developers are actually very interested in security despite stereotypes. We also cover his experience at Rails World and how Paraxial helps Rails developers get started with security.Paraxial.ioMichael Lubas on LinkedInmichael@paraxial.ioNonsense Monthly

In this episode I talk with Adam McCrea, founder of Judoscale, an autoscaler for Heroku and other platforms. Adam built Judoscale as a side project in 2016 and ran it part-time for five years before going full-time. We discuss developer marketing challenges, the difficulty of measuring marketing attribution, and building sustainable businesses. We also compare notes on our respective developer tools.

In this episode I discuss abstraction and emergence with Jorge Manrubia from 37signals. We explore how abstractions should hide distracting details while showing essential information, debate whether programming guidelines are subjective or objective, and examine how good explanations distinguish useful abstractions from poor ones. The conversation touches on service objects, domain modeling, and the importance of showing actual code when discussing software design principles.

In this episode I talk with Chris Chilek and John Cunningham of LegiPlex about their AI-enhanced legislative monitoring platform. We discuss how they identified the market opportunity, the technical challenges of processing government data, and their approach to building beyond simple AI prompts.LegiPlex

In this episode, I talk with Errol Schmidt from Reinteractive about community involvement and sales strategies. Errol shares how he targets Salesforce by teaching their account executives about Heroku, positioning himself as the go-to expert. We discuss how developers are in sales whether they realize it or not, and the importance of relationship building.reinteractive

In this episode, Colleen Schnettler discusses her startup HelloQuery, which allows non-technical people to query databases using natural language. She explains her marketing approach for growing the business, including her LinkedIn outreach system and focus on finding the right niche in the crowded AI space. Colleen also shares insights about her new venture, SaaS Marketing Gym, which helps technical founders develop and implement marketing plans.

In this episode I talk with Dave Farley about how good software engineering prioritizes making code easy to change, since we inevitably need to revise our systems as requirements evolve. Dave also shares stories from building ultra-fast financial trading systems, where his team had to repeatedly rethink their architecture to meet performance demands. We also discuss how key concepts like abstraction and modularity connect to scientific thinking, with both requiring a healthy skepticism toward our own assumptions.Modern Software EngineeringThe Software Developers' GuidebookNonsense Monthly

In this episode I talk with Yegor Denisov-Blanch and Simon Obstbaum about their Stanford research on developer productivity. They share findings about "ghost engineers" (9.5% of developers who do minimal work), discuss challenges in measuring engineering output versus productivity, and explain their data-driven approach to software engineering assessment. The conversation explores how different developers contribute varying value, how life circumstances impact work motivation, and their methodology examining source code and Git metadata. The researchers highlight the importance of quantifying engineering contributions and have collected data from over 50,000 engineers in their ongoing study.

In this episode, Amanda Perino, Executive Director of The Rails Foundation, discusses the foundation's mission to promote Rails through events like Rails World, focusing on finding unique venues that create special conference experiences. She shares insights about venue selection, sponsor negotiations, and the foundation's efforts to showcase Rails amid challenging job market conditions.

In this podcast episode I talk with Dave Thomas, co-author of The Pragmatic Programmer and Sin City Ruby 2025 keynote speaker, who discusses his upcoming book Simplicity and how software development has become unnecessarily complex. Dave and I explore how developers can regain control by questioning established practices, trusting their intuition when code feels overly complicated, and experimenting with simpler approaches rather than blindly following industry trends.SimplicitySin City RubyThe Pragmatic Programmer

In this episode, I talk with Jared Gallinger about what makes good code. We agree that code must first work correctly, but real quality comes from being understandable and maintainable. We discuss how different code requires different quality standards - throwaway scripts can be messy while core systems need careful design. We explore how UI design limits code quality and why creating good software, like art, requires both discipline and comfort with necessary waste. A practical look at a concept developers discuss but rarely define clearly.jeradgallinger.ca

In this episode of Code with Jason, host Jason Swett interviews Prarthana Shiva, a senior software engineer at NexHealth, who shares how her team is handling massive database scaling challenges. Prarthana explains their PostgreSQL database's growth to 24 terabytes (with projections to triple within a year) and details their innovative solutions including read replicas, Elasticsearch implementation, Redis caching, external write-ahead logs, and optimized vacuuming processes. The conversation also touches on Jason's own database challenges with his CI platform and concludes with Prarthana's upcoming presentation at Sin City Ruby 2025, where she'll discuss their transition from schema-based to row-based multi-tenancy for better scalability.Prarthana Shiva on LinkedInSin City Ruby

This podcast episode features a lively conversation between Jason Swett and Nick Schwaderer, covering a range of topics from Thanksgiving traditions to Ruby conferences, personal philosophies, and even the idea of starting a long-format, freeform podcast. They discuss their approaches to cooking turkey, the quirks of different Thanksgiving side dishes across the U.S., and the experience of celebrating American holidays abroad. The conversation then shifts to Sin City Ruby and Rails World, with Nick reflecting on how conferences create strong community bonds. They also delve into personal growth, handling adversity, and the importance of resilience in career and life.

The episode explores the challenges of remote work and the opportunities for connection that arise from engaging in community events like the Sin City Ruby conference. Neeraj Singh shares his experiences running a remote consulting agency, highlights unconventional hiring practices, and delves into the benefits of creating clone products, all while emphasizing the value of quality software and a thriving company culture.• Discussing the emotional toll of remote work • Importance of community events for connection • Neeraj's Big Binary: A unique, remote-first agency • Innovatively maintaining talent on the bench for flexibility • The value of creating clones in a saturated market • Hiring challenges and unique strategies • Retaining talent through strong company culture • Quality assurance as a fundamental aspect of software development • A holistic view on building competitive and maintainable productsBigBinaryNeetoSin City Ruby

In this episode I talk with Ryan Kulp, creator of TRMNL, an e-ink dashboard.TRMNLryanckulp.comRyan Kulp on X

In this podcast episode, Steven R. Baker dives into test doubles like mocks and stubs, discussing their essential role in robust code development and challenging traditional testing practices. The conversation covers the nuances of Test-Driven Development (TDD), including writing failing tests first for better code clarity and test coverage, and explores RSpec's influence on TDD. Additionally, Steven examines Ruby's adaptability and the integration of AI in programming, providing listeners with actionable strategies for more maintainable codebases and a balanced view on AI's evolving role in software development.

Join us for a conversation with John Gallagher, founder of Joyful Programming, as he shares insights on making programming enjoyable through Ruby, design, and object-oriented practices. We'll explore the Unison programming language, designed to simplify distributed computing, and discuss the role of AI tools like ChatGPT in adopting new technologies. The episode includes stories about human forgetfulness and the growth opportunities podcasting offers, along with resources from Joyful ProgrammingJoyful ProgrammingSoftware Design Simplified

Jason Swett and Irina Nazarova discuss the revitalization of the Ruby community, focusing on the announcement of Sin City Ruby 2025 in Las Vegas. They highlight the importance of small, intimate gatherings for networking, insights from past events, the resurgence of Ruby meetups in San Francisco, and the role of mentorship in fostering growth.- Evil Martians- Martian Events- Sin City Ruby

This episode explores how Prefab enhances deployment workflows by integrating feature flags with Java microservices and Ruby on Rails, drawing on Jeff's experiences at HubSpot and EasyCater. We discuss strategies for minimizing deployment risks, improving PR reviews, and mentoring junior developers through clear objectives and constructive feedback. Real-world examples and practical advice offer insights into building efficient development systems and fostering growth in engineering teams.Links:- Prefab- Jeff Dwyer on LinkedIn

Johanna Rothman shares how to overcome the isolation of remote work by rebuilding community and fostering connections. She talks about the balance between creativity and knowledge, how understanding client needs is more important than just following requests, and why value-based work often beats hourly pay. Johanna also explains how experimenting, using feedback loops, and refining ideas can lead to better results in both business and writing.

In this episode, we reflect on the shift from remote work to in-person connections and explore Detroit's transformation into a vibrant place to live and work. With guest John DeSilva, CTO of Revela, we discuss his company's growth from a basement startup to success with Ruby on Rails and the challenges of upgrading apps with Turbo. We also dive into database design, managing outdated data, and the surprising value of old-school technology in today's world.

Freedom Dumlao discusses Flexcar's switch from Java to Ruby on Rails, covering the challenges, successes, and lessons learned from the transition. He shares insights on balancing coupling and decoupling in microservices, the strategic parallels between programming and problem-solving, and his experiences at Ruby conferences. The episode wraps up with community highlights, dining tips for Boston's Chinatown, and ways to connect with Freedom.

On this episode, I talk with JP Camara, Principal Software Engineer at Wealthbox about nicknames, how having quality A/V equipment impacts how people perceive you, concurrency in programming, quantum computing, Galileo and the multiverse, blank slate-ism and whether people deserve credit or blame for their inborn traits and decisions, free will or determinism, whether or not we live in a simulation, and Jeremy Bearimy.The Fabric of Reality by David DeutschThe Beginning of Infinity by David DeutschThe Blank Slate by Stephen PinkerThe Language Instinct by Stephen PinkerJP Camara on LinkedInJP Camara on TwitterJP Camara.com

In this episode, I sit down with Artur Trzop, co-founder and COO at Knapsack Pro for a conversation that touches on the Polish language and learning foreign languages, Artur's journey to founding his own company, what the Knapsack Pro gem does, American programming work taking place in Poland, growing a company to the point of financial sustainability, facing competition from larger entities, and recent improvements to Knapsack Pro. Rails WorldKnapsack ProDocs.KnapsackPro.comArtur Trzop on LinkedInArtur Trzop on TwitterSin City Ruby

On this episode, I'm joined by Derrick Fonseca for a conversation that touches on Derrick's path to software development and the commonalities in problem solving between programming and mechanical engineering, finding the problem, my experience at Rails World 2024, the state of the Ruby community and the benefits of attending meetups, writing understandable tests and test driven design, and my upcoming conference Sin City Ruby 2025.The Beginning of Infinity by David DeutschThe Fabric of Reality by David DeutschRails WorldRailsConfBoston Ruby MeetupSan Francisco Ruby MeetupProfessional Rails Testing by Jason SwettDerrick Fonseca on LinkedInSin City Ruby

On this week's episode, Will Carey, CTO of Brand New Box and I get together for a chat that touches on RailsConf Detroit, Will's work at Brand New Box, the challenges of remote work, starting new development projects, the benefits and risks of deploying early, pets vs cattle when it comes to server maintenance, Kubernetes, state-full code vs stateless code, starting at the end and working backwards, the value of curiosity, the benefits of building long-term relationships, and my consulting work.RailsConfBrand New BoxWill Carey on LinkedInSin City Ruby

On this episode, I'm joined by Adarsh Pandit, Executive Director of Ruby Central.  We discuss men's fashion, Adarsh's path to becoming a developer, the distinction between contracting and consulting, defining what you do as a consultant, keeping yourself top of mind to potential consulting clients, how Ruby Central is building community among Rubyists, the current state of Ruby meetups & conferences, and my conference, Sin City Ruby.Derek Guy on TwitterRubyConfRailsConfrubycentral.orgAdarsh Pandit on LinkedInadarsh@rubycentral.orgSin City Ruby

On this episode, Landon Gray and I get together for a conversation that touches on AI consulting, backfilling tests in a system that wasn't developed with TDD, generative AI assisting with testing in data science settings, using AI to develop your product vs using AI in your product, getting clients as an AI consultant, the benefits of remaining a solo contractor over starting an agency, work/life balance as a freelancer, whether charging an hourly rate is the best way to represent the value you provide as a consultant, having a north star to guide your decision making in your work life, what actually comprises risk, how marketing yourself is important regardless of whether you're an employee or a freelancer, how the modern hiring process is broken, value created vs compensation received, and Landon's trip to the AI Engineer World's Fair in San Francisco.The AI Engineer World's FairMadison RubyLandon Gray on LinkedInLandon Gray on Twitter