Sandith Hewage

Designing for how people think.

Cognitive Science · Design & Interaction, UC San Diego

San Diego © 2026

Work

MTS Trolley Doors

The button works. It never tells you it heard you.

Smart DND

Your phone knows your contacts. It doesn't know your people.

Queue

Waiting doesn't feel bad because it's long. It feels bad because it's uncertain.

Scabs

Building (and selling through) a real storefront — what $8,900 taught me about checkout.