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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