Senior Firmware Engineer

Sandbar; New York (NY); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Health, vision, and dental benefits

Unlimited PTO and sick time

Early stage equity

Job summary

A technology interface company in New York is looking for a Senior Firmware Engineer responsible for designing, developing, and implementing firmware for embedded systems. The ideal candidate will have over 8 years of experience in firmware development with strong skills in C/C++. You will collaborate with cross-functional teams and ensure high-quality product delivery. This hybrid role requires a minimum of 3 days in the office along with the opportunity for unlimited PTO and early-stage equity.

Qualifications

• Minimum of 8+ years of experience in firmware development.
• Strong proficiency in C/C++ programming languages.
• Proven ability to debug and troubleshoot complex systems.

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.

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)

Python

Education

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

Tools

Git

Debugging Tools

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