Embedded Firmware Engineer — Home Robotics

Sunday Robotics; Redwood City (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Sunday Robotics seeks a Firmware Engineer to own firmware end-to-end for its home robot and wearable devices, guiding architecture, implementation, integration, and production. You will collaborate with electrical, mechanical, software, controls, and ML teams to solve cross-domain challenges.

The role requires 3+ years in real-time embedded software, proficiency in C/C++/Rust, and experience with RTOS, debugging, and hardware schematics.

Qualifications

• BS or MS degree in Computer Engineering, Electrical Engineering, a related technical field, or equivalent practical experience.
• 3+ years of real-time embedded software development, with experience in architecture design, MCU selection, driver development, and working with RTOSes.
• Proficiency in C, C++, or Rust.
• Experience with debugging, instrumentation, and performance optimization across hardware, firmware, and host-side systems software.
• Experience working with electrical engineering teams, with the ability to read and understand board schematics and layouts.
• Experience with communication protocols such as I2C, SPI, UART, CAN (FD), or Ethernet.
• Delivered at least one project from prototype through mass production.
• Experience building robust, failure-tolerant firmware OTA pipelines.
• Experience with Ethernet firmware and communications protocol design, especially involving PTP-based time synchronization.
• Experience with embedded Linux, build systems (Bazel, CMake), or multi-device system architecture.
• Familiarity with common control techniques for robot actuators, including cascaded feedback control, PID tuning, and torque control.
• Experience with HIL testing, production validation software, or fleet-wide hardware observability.
• Experience developing or porting platform firmware, including coreboot, UEFI/BIOS, secure boot, or TPM integration.

Responsibilities

• Own firmware end-to-end across our wearable and robot, from architecture and implementation through integration and production
• Write high-performance host-side systems software serving as the interface layer between firmware and higher-level software
• Develop robust communications, OTA, and diagnostics infrastructure for embedded devices
• Work with the EE team to design and bring up new hardware
• Solve difficult cross-functional problems spanning hardware, firmware, embedded Linux, and higher-level software

Skills

Embedded software

C/C++/Rust

RTOS experience

Hardware debugging

Peripheral protocols

Education

BS/MS in Computer/Electrical Engineering

Tools

Bazel

CMake

OTA tooling

Job description

Sunday Robotics seeks a Firmware Engineer to own firmware end-to-end for its home robot and wearable devices, guiding architecture, implementation, integration, and production. You will collaborate with electrical, mechanical, software, controls, and ML teams to solve cross-domain challenges.

The role requires 3+ years in real-time embedded software, proficiency in C/C++/Rust, and experience with RTOS, debugging, and hardware schematics.