Juha Pellotsalo

Currently focusing on Python, Langchaing, Langgraph and AWS AI stack.

AI agents using Langgraph running on AWS. Workflows and decision-based agents. Evals and tracing. Claude Code as a dev tool

A LangGraph-based simulation of a newspaper editorial workflow, demonstrating how AI agents can collaborate to produce high-quality articles through a structured multi-agent system.

Best practises on Langgraph, context engineering, managing prompts. Multi-agent systems, agentic patterns, workflows. Evaluation, tracing and telemetry. Implementing guardrails and governance.