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Staff Software Engineer, iOS

Sandbar

New York City, NYFull-time$180–250K/yrPosted 6mo agoVerified open 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

Job overview

Sandbar, an interface company in New York City, seeks a senior iOS product engineer to build and ship the Stream app, a conversational interface that spans device‑cloud connectivity, on‑device processing, and UI/UX. The role collaborates with design, firmware, and backend teams to deliver a technically rigorous yet simple user experience.

Skills & qualifications

RequiredNice to have

Skills

SwiftiOSWebsocketBLEOS‑Level IntegrationsPythonBluetooth StackInterdisciplinary CommunicationOwnershipAmbiguity ComfortHuman‑Computer Interfaces

Qualifications

8+ Years Building Interactive Mobile iOS Applications

Benefits

Medical Insurance
Vision Insurance
Dental 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 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

  • 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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