Senior Product Engineer, iOS
Department: Software
Location: New York City
Compensation: $160K – $220K • Offers Equity
Employment Type: FullTime
About Sandbar
Sandbar is an interface company in New York City. We aim to augment individuals in an agentic world—to think, act, and move freely. Our team has built SW, ML, and HW products across Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.
Our first product, Stream, is a new human-agent interface—a private voice ring and conversational computer. Stream has been featured in WSJ, Bloomberg, & Wired, and begins shipping in Summer '26.
Join us in creating a new interface for self augmentation.
About
We’re looking for a senior iOS product engineer to help build Stream, a new conversational interface. The Stream iOS app touches every aspect of our user experience; including device-cloud connectivity, on-device processing, UIUX, and more. You’ll work closely with design, firmware, and backend engineers to create a technically rigorous experience that ultimately feels simple.
Responsibilities
Own iOS product delivery—including architecture (Swift), metrics-driven optimization, testing, and releases
Work closely with backend services (Websocket) and device integrations (BLE) for low-latency, always-available human-computer interactions
Work with product, design, and GTM to ship releases, gather insights, iterate, and improve our experiences for end-users
Qualifications
5+ years building and shipping interactive mobile (iOS) applications
Strong proficiency in Swift and complex interactive app development.
Deep experience in OS-level integrations such as media control or on-device ML
Experience in Python-based servers and the iOS Bluetooth stack are a plus
Strong interdisciplinary communication
Strong ownership, comfort with ambiguity, and technical output
Passion for end-user delight and human-computer interfaces
FTE Benefits
Health, vision, and dental benefits
Company-sponsored 401(k)
Unlimited PTO and sick time
Early stage equity
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