Staff Software Engineer, iOS

Sandbar

New York City, NYFull-time$180–250K/yrPosted 8mo agoStill listed 3 days ago

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At a glance

Compensation

$180–250K/yr

Location

New York City, NY

Schedule

Full-time

Work Authorization

Not specified

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Job overview

Sandbar, an interface company in New York City, seeks a staff iOS product engineer to build Stream, a conversational voice interface. The role involves owning iOS product delivery, integrating with backend services and device hardware, and collaborating across design, firmware, and backend teams to deliver a seamless user experience.

Skills & qualifications

RequiredNice to have

Skills

SwiftiOS DevelopmentWebsocketBLEOS‑Level IntegrationsStrong Interdisciplinary CommunicationStrong OwnershipPassion for End‑User Delight

Qualifications

8+ Years Building and Shipping Interactive Mobile (iOS) Applications

Benefits

Medical Insurance

401(k) Match

Paid Time Off

Full job description

About Sandbar Sandbar is an interface company in New York City. We aim to augment individuals so we can each think, act, and move more 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 self extension—a private voice ring and conversational interface. Stream has been featured in WSJ, Bloomberg, & Wired, and begins shipping in Summer '26.

Join us in creating technology that extends human thinking.

About We’re looking for a staff 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

8+ 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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