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Sandbar

Senior Firmware Engineer

New York City

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Role family
Engineering
Seniority
Senior
Country
US
Work mode
On-site / unstated
First seen by hirly
2 Sept 2026

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the posting

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

As a Senior Firmware Engineer, you will be responsible for designing, developing, testing, and implementing firmware for embedded systems.

This role requires a deep understanding of both hardware and software, and the ability to work closely with cross-functional teams to deliver high-quality products.

You will be involved in all stages of firmware development from concept to production.

Responsibilities

Design and develop firmware for embedded systems

Collaborate with hardware engineers to define and implement firmware requirements

Perform system integration tests to ensure firmware functionality

Debug and troubleshoot firmware and hardware issues

Document firmware design and development processes

Collaborate with manufacturing partners

Qualifications

Bachelor's or Master's degree in Computer Engineering, Electrical Engineering, or related field

Minimum of 8+ years of experience in firmware development

Strong proficiency in C/C++ programming languages.

Experience with real-time operating systems (RTOS).

Familiarity with hardware design and documentation.

Proven ability to debug and troubleshoot complex systems.

Skills

C/C+, Python (debug tools)

RTOS

Embedded Systems, Hardware Interfacing, Debugging Tools

Version Control Systems (e.g., Git)

Microcontrollers

Communication Protocols (e.g., UART, SPI, I2C)

BLE protocol

Experience with capacitive sensors and/or sensor fusion is a plus

FTE Benefits

Health, vision, and dental benefits

Company-sponsored 401(k)

Unlimited PTO and sick time

Early stage equity

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Senior Firmware Engineer at Sandbar — hirly