{"podcast":{"title":"The CTO Podcast with Fexingo: Technical Leadership, Architecture, and Engineering Org","slug":"the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807","podcast_index_feed_id":7871807,"rss_url":"https://feeds.fexingo.com/business/the-cto-podcast.xml","website_url":"https://www.fexingo.com/","image_url":"https://audio.fexingo.com/business/the-cto-podcast/cover.png","author":"Fexingo","episode_count":76,"summary":"Lucas and Luna sit down in front of a whiteboard to dissect the decisions that shape technical organizations. Each episode of The CTO Podcast with Fexingo examines a specific engineering leadership challenge — from scaling a microservices architecture without creating a distributed monolith, to managing the cognitive load of a 200-engineer org, to choosing between a monorepo and polyrepo strategy based on team topology. The conversations are grounded in real-world cases: how Etsy restructured its data pipeline after a 2019 outage, why Stripe’s API versioning policy reduces breaking changes, or what Basecamp’s choice of SQLite over PostgreSQL says about product philosophy. Lucas brings the journalistic rigor — citing commit histories, RFCs, and postmortems — while Luna pushes back with the pragmatics of org dynamics, hiring constraints, and technical debt. There are no hot takes, no vendor pitches, no ‘best practices’ without trade-offs. Each episode ends with a specific tension left unresolved: the optimal number of direct reports for a VP of Engineering, the point at which a monolith should be broken apart, or whether a platform team should own the CI/CD pipeline. The listener is…","last_synced_at":"2026-06-27T14:18:24.326804+00:00","page_url":"https://stenobird.com/podcast/the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807"},"episode":{"title":"How Airbnb Rebuilt Search for 8 Million Listings","slug":"how-airbnb-rebuilt-search-for-8-million-listings","published_at":"2026-06-26T07:31:12+00:00","page_url":"https://stenobird.com/podcast/the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807/how-airbnb-rebuilt-search-for-8-million-listings","show_page_url":"https://stenobird.com/podcast/the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807","url":"https://audio.fexingo.com/business/the-cto-podcast/episode-0074.mp3","audio_url":"https://audio.fexingo.com/business/the-cto-podcast/episode-0074.mp3","summary":"Lucas and Luna dive into the technical decisions behind Airbnb's 2024 search architecture overhaul. With 8 million active listings and billions of queries daily, Airbnb moved from a monolithic Elasticsearch cluster to a multi-tiered retrieval pipeline combining inverted indexes, vector embeddings, and real-time ranking. They explore why Airbnb chose to build custom microservices over managed solutions, how they reduced median search latency by 40 percent without sacrificing relevance, and the operational headaches of migrating 500-plus engineers to a new query language. A concrete look at search infrastructure at planetary scale. #Airbnb #SearchArchitecture #Elasticsearch #VectorSearch #Microservices #LatencyOptimization #EngineeringLeadership #TechInfrastructure #BusinessAndTechnology #CTO #SystemDesign #Scalability #MachineLearning #RealTimeRanking #DataEngineering #MigrationStrategy #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo","meta_description":"Lucas and Luna dive into the technical decisions behind Airbnb's 2024 search architecture overhaul. With 8 million active listings and billions of queries…","key_points":[],"chapters":[],"topics":[],"duration_seconds":619,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807/episodes/how-airbnb-rebuilt-search-for-8-million-listings/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807/how-airbnb-rebuilt-search-for-8-million-listings.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}