Syndesus

Sr Founding Product Designer

San Francisco, USA · Senior · Full-time

H1B sponsorship available$180k-$230kDetected 114 days ago

Figma

About the role

You'll work directly with founders, engineers, and customers to shape features from first principles - not just polish UI after decisions are made.

Backed by leading investors and scaling at an exceptional pace - $36M ARR with a team of just 20 people - they're building the infrastructure that powers real-time AI voice agents for thousands of companies across sales, support, and logistics.
Recognized as a top 50 AI app and one of the fastest-growing software vendors of 2025, this is a team that moves fast and builds things that matter.
The Role As a Founding Senior Product Designer, you'll own the end-to-end product design experience for a platform where every interaction happens in real time, under pressure, with real users.
This is a high-ownership role with genuine influence over product direction, UX quality, and design standards.
live Figma design exercise + user understanding deep dive
As a Founding Senior Product Designer, you'll own the end-to-end product design experience for a platform where every interaction happens in real time, under pressure, with real users.

CA 100% medical, dental, vision coverage Unlimited meals and snacks Gym, cellphone, internet and commute reimbursement Visa sponsorship available (H1B, TN, L-1, E-3, F-1, O-1) Interview Process Recruiter intro call (15 m

This listing is sourced directly from Syndesus's careers page and normalized into a canonical job model.