Job Description

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.
• Occasional travel to the Manufacturing facility.

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++
• RTOS
• Embedded Systems
• Hardware Interfacing
• Debugging Tools
• Version Control Systems (e.g., Git)
• Microcontrollers
• Communication Protocols (e.g., UART, SPI, I2C)
• BLE protocol
• Cap touch sensing and sensor fusion experience
• Python (for debug tools)

On-site / Remote:

Minimum 3 days in the office / flexible based on project load.

FTE Benefits

• Health, vision, and dental benefits
• Unlimited PTO and sick time
• Early stage equity

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