Andrew Sy

Co-Founder @ Polymorph (W26) | ex-Scale, Meta

Co-founder

2026Co-founder· Polymorph (YC W26)

Founder · since 2026

Company

Polymorph (YC W26)

Role

Co-Founder, Software Engineer

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco Bay Area

current

Founder / co-founder — the company's markEmployee / research role

Profile coverage5 of 7 · missing posts, contact

Polymorph

Building secure polymorphic apps

Experience

Career

Polymorph (YC W26)
Co-founder
Co-Founder, Software Engineer · San Francisco Bay Area · 2026 – Present
2026
Opal Security
Tech Lead / NY Site Lead · New York, New York, United States · 2023 – 2026
2023
Scale AI
Machine Learning Infrastructure Engineer · San Francisco, California, United States · 2021 – 2023
2021
Meta
Software Engineer · Menlo Park, California, United States · 2019 – 2021
2019
Palantir Technologies
Software Engineering Intern · Palo Alto, California, United States · 2018
2018
Meta
Software Engineering Intern · Menlo Park, California, United States · 2018
2018
Intuit
Software Engineer Co-op · 2017
2017
Uber
Data Science Intern · 2017
2017

Building Polymorph previously built Scale AI's ML inference infra (10mil+ calls/day), ex-Meta, Opal