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Build production event-sourced systems. Learn append-only event stores, aggregate reconstruction, snapshots, projections, EventStoreDB vs Postgres, temporal queries, and schema evolution strategies.
Master read-after-write consistency, version vectors, causal consistency tokens, and UI patterns for systems where data is temporarily stale.
User updates their profile. Refreshes the page — old data shows. They update again. Still old data. They're furious. Your system is eventually consistent — but nobody told the user (or the developer who designed the UI). Here's how to manage consistency expectations in distributed systems.
"We need to pay down tech debt" means nothing to a product manager or CFO. But "every new feature takes 3x longer than it should because of architectural decisions made 2 years ago, and here's the $200k annual cost" is a budget conversation they understand.
FastAPI brings Rust-like performance to Python. Learn why Python dominates ML backends and how Node.js developers can adopt FastAPI.