Senior ML/AI Engineer

New York

**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 ML/AI Engineer to build Stream, a new conversational interface. As an ML/AI engineer, you will architect, build, and deploy a new interface which spans voice, audio, and agentic control. This role is perfect for someone who cares deeply about real-world ML deployment and low-latency voice interactions. **Responsibilities** * Design and improve user-facing experiences, including voice, audio, and agentic control. * Develop, evaluate, and deploy models spanning cloud models to resource-constrained on-device settings * Optimize inference pipelines for latency, reliability, and concurrency * Work closely with other ML/AI engineers, infrastructure engineers, designers, and cofounders on existing and future products **Qualifications** * 4 years in artificial intelligence or machine learning applications * Experience shipping ML-based products is required * Experience in large-language models is required * Experience in audio / voice ML is a major plus * Comfortable writing production-grade software * Passion for human-computer interaction **FTE Benefits** * Health, vision, and dental benefits * Unlimited PTO and sick time * Early stage equity Compensation Range: $170K - $240K