KUNMIN GAO
Sr. Product Designer
I design scalable B2B systems and customer experiences that simplify complexity and drive measurable business impact.

A Flexible Promotion System
I design a modular promotion engine that balances customization and scalability, supporting 80% of restaurant promotion scenarios through reusable modules


Small Checkbox, Big Impact
By adding a single checkbox during checkout, I tripled the registration rate from 2.1% to 6.8%.