The Technical Co-Founder Podcast with Fexingo: Engineering Founders, CTOs, and Building from Code

How Event Sourcing Rebuilds State from Streams


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In this episode of The Technical Co-Founder Podcast, Lucas and Luna explore event sourcing through the lens of a startup that rebuilt its core ledger system using immutable event streams instead of traditional CRUD. They break down how EventStoreDB enables full audit trails, temporal queries, and simpler debugging by storing every state change as an append-only log. The discussion covers the trade-offs: eventual consistency, replay costs, and when event sourcing is overkill. A concrete example from a fintech company shows how event sourcing eliminated reconciliation nightmares and let developers ask 'what was the state at any point in time?' Perfect for engineers considering event-driven architectures or tired of patching database schemas.

#EventSourcing #EventStoreDB #CQRS #DomainDrivenDesign #EventDrivenArchitecture #Immutability #AuditTrail #Fintech #SoftwareArchitecture #BackendEngineering #DatabasePatterns #Infrastructure #TechnicalCoFounder #Fexingo #BusinessPodcast #BusinessAndTechnology #EngineeringLeadership #StateRebuilding

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The Technical Co-Founder Podcast with Fexingo: Engineering Founders, CTOs, and Building from CodeBy Fexingo