Learn how we implemented real-time updates using Node.js, TypeScript, and PostgreSQL with HTTP long polling. A practical guide to building scalable real-time systems without WebSockets.Nadeesha Cabral•04-01-2025Like many teams building real-time systems with Node.js and TypeScript, we've been exploring ways to handle real-time updates at scale. Our system handles hundreds of worker nodes constantly polling our PostgreSQL-backed control plane for new jobs (tool calls issued by agents), while agen...