Sunday — Cosign

Sunday builds autonomous home robots that learn chores from human demonstrations, giving households time back through Memo, its forthcoming helpful home robot.

Products & media

Sunday | Our Story

Memo

A forthcoming autonomous home robot designed to handle dishes, espresso preparation, and sock folding, with applications open for a late-2026 household beta.

Team

3 people across company lists

Founders

2 people

List

Tony Zhao

Cheng Chi

Current Affiliates

1 person

List

Jeewon2026-10

Jobs

See all jobs for Sunday here.

Senior Product Manager, InfraProductRedwood City, CA · Redwood City, California, United States · FullTime$180K – $270K • Offers EquityView Job

Technical Program Manager, Data EngineData OperationsRedwood City, CA · Redwood City, California, United States · FullTime$125K – $230K • Offers EquityView Job

ControllerFinanceRedwood City, CA · Redwood City, California, United States · FullTime$225K – $275K • Offers EquityView Job

Fulfillment AssociateData OperationsRedwood City, CA · Redwood City, California, United States · FullTime$70K – $75KView Job

Robotics Systems Software Integration EngineerRoboticsRedwood City, CA · Redwood City, California, United States · FullTime$150K – $300K • Offers EquityView Job

All 24 jobs

Funding

All fundraising announcements are based on public sources. Please contact Cosign if you believe there are any discrepancies, or claim the profile to edit.

Data current as of March 12, 2026

Leads

Participating Firms

Angels

Mar 2026Series B

$165M$1.2B valuation

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