{"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 Loom Rebuilt Its Video Engine for Async Communication","slug":"how-loom-rebuilt-its-video-engine-for-async-communication","published_at":"2026-06-27T07:43:41+00:00","page_url":"https://stenobird.com/podcast/the-cto-podcast-with-fexingo-technical-leadership-architecture-and-engineering-org-7871807/how-loom-rebuilt-its-video-engine-for-async-communication","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-0076.mp3","audio_url":"https://audio.fexingo.com/business/the-cto-podcast/episode-0076.mp3","summary":"In this episode of The CTO Podcast, Lucas and Luna dive into how Loom rebuilt its video recording and streaming engine to handle over 200 million videos per year while keeping latency under one second for uploads and playback. They explore the architectural shift from monolithic encoding to a microservices pipeline using WebAssembly for client-side transcoding, the trade-offs of moving from FFmpeg to a custom encoder, and how Loom cut infrastructure costs by 40 percent while improving reliability. The hosts also discuss the challenges of supporting asynchronous communication at scale, including real-time trimming and seamless playback across devices. If you're building a video platform or optimizing media delivery, this episode offers concrete lessons on balancing performance, cost, and user experience. Plus, Lucas shares how the team used Rust to reduce CPU usage for encoding by 60 percent. Tune in for a deep technical breakdown of one of the most popular async video tools in the workplace. #Loom #AsyncCommunication #VideoStreaming #WebAssembly #Rust #Transcoding #Microservices #FFmpeg #CostOptimization #Latency #Engineering #CTO #TechLeadership #Architecture #BusinessAndTechnology #FexingoBusiness #BusinessPodcast #MediaDelivery Keep every episode free: buymeacoffee.com/fexingo","meta_description":"In this episode of The CTO Podcast, Lucas and Luna dive into how Loom rebuilt its video recording and streaming engine to handle over 200 million videos p…","key_points":[],"chapters":[],"topics":[],"duration_seconds":556,"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-loom-rebuilt-its-video-engine-for-async-communication/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-loom-rebuilt-its-video-engine-for-async-communication.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}