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Senior Firmware Engineer

Sandbar • Speech & Audio AI • Smartwatches & Fitness Trackers • Bachelor's Degree • Python • C++ • 7 months ago
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Salary
$130k – $180k per year
Location
In office (New York)
Seniority
Senior · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Mar 27, 2026. Sandbar scores D on the Alion truth index.

Overview
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Impact
Profile match

Sandbar

Sandbar is an interface company in New York City that builds software, machine learning and hardware products to augment individuals. Its first product, Stream, is a private voice ring and conversational interface, and the company hires iOS, infrastructure, ML audio and product design staff. The company is headquartered in New York, United States.
sandbar.com • HQ: New York, United States • Speech & Audio AI • Smartwatches & Fitness Trackers • 51-200 employees • Est. 2023
Tech stack of Sandbar
Backed by Betaworks

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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