Sandbar is building a conversational interface to expand human expression. Our first products are Stream, a self extension for building ideas, and Stream Ring, the mouse for voice. Our team has built new interfaces & consumer products across Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, Dior, and Equinox. If our work resonates, we would love to hear from you. About We’re looking for an experienced iOS engineer to help build Stream, the bedrock of a new conversational interface. The Stream iOS app touches every aspect of our user experience; including wearable & cloud connectivity, on-device processing, UI, 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