Senior Software Engineer, Infrastructure

Sandbar

New York, NY · $160k–$220k a year · Posted February 8, 2026

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Pay compared with the market

This listing pays about $190,000 a year. Across 1,475 open senior software engineer listings that state pay, the middle half runs $175,000 to $222,500 and the median is $202,500. That is inside the middle half of those listings, 6% below the median.

Listed pay is what employers advertise, not what people are paid.

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About the job

About Sandbar

Sandbar is an interface company in New York City. We aim to expand human thinking. Our team has built software, ML, hardware, and consumer products across Meta, CTRL-labs, Apple, Peloton, and Equinox.

Our first product is Stream, is private voice ring that extends your thinking. Stream has been featured in WSJ, Bloomberg, Wired, and Time's Best Inventions of the Year.

Join us in creating technology that extends human thinking.

About

We’re looking for an experienced infrastructure engineer to help build Stream, a new conversational interface. You will be responsible for developing a highly scalable real-time production service with various steps of ML and data processing. You’ll work closely with other mobile and firmware engineers to deliver the foundations for new human-computer interactions.

Responsibilities

- Architect a high-uptime, low-maintenance, and reliable distributed inference system

- Lead observability and oncall

- Achieve very low latency & jitter with attention to P99 performance

- Develop a safe rollout to production process in partnership with ML, SW, and mobile engineers

- Implement data pipelines for user-facing features and internal tooling

Qualifications

- Proficient in Python and Javascript

- Experience in shipping consumer facing interactive real-time services

- 2+ years owning a live production system in a small team, for large N of users

- 2+ years working in a big infra teams (Google / Meta / etc)

- Technical leadership for building a robust process with the team

- Strong ownership on healthy live service

FTE Benefits

- Health, vision, and dental benefits

- Company-sponsored 401(k)

- Unlimited PTO and sick time

- Early stage equity