About the role
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 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 Unlimited PTO and sick time Early stage equity
About Sandbar
Creating Stream, a self-extension for building ideas, and Stream Ring, the mouse for voice.
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Job details
Salary
$130,000 - $180,000
Location
New York, NY
Funding
Total raised
$23M
Last stage
Seed
Investors
What happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.