Co-founder at Kiwoo

Fred Lee

Building AI agents and interactive products.

I’m co-founder at Kiwoo (opens in a new tab), where I lead technology and product engineering for interactive AI creation. Previously, I helped build developer tools and the runtime for Douyin mini-programs and led frontend engineering for live-streaming monetization at ByteDance. Before that, I built React Native and hot-update infrastructure at 58.com.

Began as a recruiter. Self-taught programmer.

Explore Kiwoo (opens in a new tab) Read my story

Selected work

Building at the intersection of AI, product, and developer tools.

Company · Current

Kiwoo

Co-founder, technology and product engineering

Interactive AI creation. I lead technology and product engineering, from the product surface to the systems underneath it.

  • AI agents
  • Interactive creation
Visit kiwoo.ai (opens in a new tab)

Project · Early stage

workflow-platform

An early-stage workflow-platform project

An early-stage project exploring AI agent workflows. It is still taking shape and is not a finished or polished release.

  • Work in progress
  • On GitHub
View on GitHub (opens in a new tab)

Experience

A path from recruiting into product engineering, developer platforms, and AI.

  1. Kiwoo

    Current

    Co-founder

    Leading technology and product engineering for interactive AI creation, and building AI agents and interactive products.

  2. ByteDance

    Developer platforms

    Developer tools & frontend engineering

    Helped build developer tools and the runtime for Douyin mini-programs. Led frontend engineering for live-streaming monetization.

  3. 58.com

    Mobile infrastructure

    React Native & hot-update infrastructure

    Built React Native and hot-update infrastructure.

  4. Earlier

    Beginnings

    Recruiter → self-taught programmer

    Began my career as a recruiter, then taught myself to program and moved into engineering.

Writing

Latest

Recent essays on agent design and context management, plus older technical notes from the archive.

New essay

Designing effective subagents

A practical framework for task boundaries, context handoff, result contracts, parallelism, and verification when one agent coordinates others.

  • agents
  • architecture
  • engineering
Read essay

Older technical notes

Archive

Notes from 2015–2022, kept online as an archive of earlier engineering work.

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04 — Contact

For investors and international partners.

I’m always glad to meet people thinking about AI agents, interactive products, and developer platforms. Email is the best way to reach me.

lishoulong@outlook.com
GitHub (opens in a new tab) LinkedIn (opens in a new tab)