JF

Jack Fan

Software Engineer

Experience

Product/Forward-deployed + Research Engineer

ThirdLayer (YC W25)Sep 2025 - Present • San Francisco, CA

Product and forward-deployed work with Next.js/TypeScript backend. Built Asana and Attio integrations, created custom MCP subagent architecture, and revamped Dex system prompts and agentic AI system. Applied AI research/evals including building an agentic memory evaluation framework. Whitepaper to be published.