LJ

Lorenze Jay

Practical AI systems, built and explained clearly.

I’m Lorenze Jay — Lead Open-Source Engineer at CrewAI. I build and teach AI workflows, agentic systems, and developer tools that turn theory into real-world results. I’ve spoken at Nvidia, GitHub, and AWS, helping thousands of engineers build agentic systems.

Agent Workflow
workflow plate
lead open-source engineer
Lorenze Jay speaking on stage.

Field Notes

Work

Open Source + Developer Tools

I build developer tools that help thousands of engineers ship better AI agents, while contributing to a leading agentic system framework that runs billions of workflows for over 70% of the Fortune 500.

Highlights

  • Open Source Framework used by 70% of the Fortune 500.
  • Spoke at Nvidia, DocuSign, AWS, and GitHub offices.
  • Conference keynote speaker.

Career Index

  1. CrewAI

    —

    Lead Open-Source Engineer

  2. Uplift Digital Solutions

    —

    Founder

  3. Unifai

    —

    Software Engineer

  4. Stateful

    —

    Software Engineer

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Memory

Memory Stack

Short-term context, retrieved knowledge, and durable notes separating into readable layers.

Trace

Tool Call Trace

Packets move from plan to tool result to final answer, the way production agents actually work.

Loop

Agent Loop

Observe, reason, act, revise: a small control loop drawn as a living system.

Writing

Practical AI, made understandable.

I write for engineers who want to build production-ready agentic systems: memory design, orchestration, and real-world tradeoffs. Clear explanations, strong opinions, and code you can ship.

Explore the blog

Latest essays

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Practical Multi Agent RAG using CrewAI, Weaviate, Groq and ExaTool.
November 18, 2024Agentic systems

Adding rag systems to your agentic workflows can help you build more intelligent systems with more relevant context and data. This guide will show you how to build a practical that uses internal documents to generate a report.

RAG with SIRI using Verba and Weaviate with a couple lines of code.
May 31, 2024Agentic systems

I used Verba to create a knowledge base easily and using my voice to fetch appropriate data and open it for me.

Using Google Sheets as a Wait List Form with Next.js and Resend.
May 1, 2024Agentic systems

When creating a waitlist form you can do it entirely for free with next.js, resend and google apis

The power of building in public.
April 25, 2024Agentic systems

An initiative i'm exploring is leveraging the power of content creation, specifically short form content videos to bring developers together as well as educate the developer community of the various developer tools and technologies they can use for their projects or work.