Product Engineer

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 an experienced software product engineer to help build Stream, a new conversational interface. We aspire to make technology as easy as thinking—fast, intuitive, and always available. This role will extend Stream to new surfaces and use cases, and is perfect for someone who sits at the intersection of software engineering, interaction design, and consumer products. Responsibilities - Extend Stream into novel desktop, web, and other surfaces—owning the full stack from UI to backend - Design and build interaction patterns for novel input-output paradigms - Develop new features and integrations end-to-end, including backend services where needed - Collaborate with iOS, firmware, and backend engineers to maintain a seamless cross-platform experience - Work with product, design, and GTM to ship releases, gather insights, and iterate Qualifications - 3+ years building and shipping consumer-facing software products - Strong proficiency in modern web technologies (TypeScript, React or similar) and desktop frameworks (Swift, Electron) - Comfort working across the stack—backend services, APIs, and frontend - Track record of building 0-to-1 products or features with ambiguity - Excellent attention to interaction details - Experience with real-time or interactive applications is a plus - Experience with audio/media APIs is a plus - Strong interdisciplinary communication - Strong ownership, comfort with ambiguity, and high technical output - Passion for human-computer interfaces FTE Benefits - Health, vision, and dental benefits - Company-sponsored 401(k) - Unlimited PTO and sick time - Early stage equity