IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

2 articles

16 Mar 2026 · 19 min read

pipecat

Pipecat Voice Agent in Production: Complete Guide to Issues, Optimization & Scalable Architecture

Deep-dive into 26+ real production issues with Pipecat voice agents — latency, audio quality, memory leaks, VAD problems, and pipeline freezes — plus battle-tested optimization strategies for building scalable voice AI systems.

16 Mar 2026 · 17 min read

ai-agent

Building Scalable Multi-Agent Systems with LangGraph: A Technical Lead's Complete Architecture Guide

Production-tested architecture for multi-agent AI systems using LangGraph on AWS. Brain/Worker cost optimization, Step Functions orchestration, DynamoDB checkpointing, CI/CD pipelines, and real-world cost modeling that achieves 5-10x savings.