Zelong Li
AI Engineer · Creative Technologist
NYC, New Yorkzelong.iozl3652@columbia.edu
Education
Columbia University
Quantitative Methods
2025 – 2026Machine Learning Focus
Parsons School of Design
Design & Technology
2020 – 2024Dean's List Scholarship
Selected Projects
Breadbox
React 19 · TypeScript · Bun · avr8js · SPICE · three.js · AI SDK · MCPArduino workbench for building circuits, running sketches, inspecting a 3D breadboard, testing motion, and flashing hardware over USB
Sendit
React Native · Expo · AWS · CoreMLMobile-first bouldering tracker with video recording, AI hold detection, stats dashboard, and social feed
Experience
AI Engineer
May 2026 – PresentStealth Startup · NYC
- Ship features end-to-end on an agentic AI product — interface, typed API, storage
- Hardened the agent's memory system so one user's data can never reach another
Contract Frontend Engineer
Apr 2025 – Aug 2025Freelance · Remote
- Built a marketing site for a hedge fund, with dashboards that make risk metrics readable
- Processed the underlying financial data in Python and integrated a CMS
Tutor / Teaching Assistant
Sep 2023 – May 2024Parsons School of Design · NYC
- Mentored 40+ students in React, concurrency, and microcontroller sensors