Senior Embedded Firmware Engineer for Robotic Systems

Rainmaker Technology Corporation; El Segundo (CA); On-site; USD 146,000 - 197,000; Full time

Benefits offered by this job

Stock options

Health insurance

401(k) with employer matching

Unlimited PTO

Paid parental leave

Lunch provided at El Segundo HQ

Relocation assistance

Job summary

Rainmaker Technology Corporation is seeking an embedded firmware engineer to own the firmware stack across a vehicle and its onboard software interfaces. You will lead architecture, bring-up, testing, and field deployment, ensuring reliable operation from MCU to ground systems.

The role requires 3+ years of hands-on embedded work, strong Rust/C/C++ skills, and experience with CAN/UART/SPI/I2C. You will collaborate with hardware engineers, participate in code reviews, and drive releases with

Qualifications

• 3+ years hands-on embedded software
• Ownership of an embedded subsystem from design to release and ongoing support
• Strong systems programming in Rust and/or C/C++
• Experience with peripheral drivers and CAN/UART/SPI/I2C
• Ability to read schematics and use oscilloscopes and logic analyzers
• Reasoning about system failures with robust state machines and fault paths
• Experience with version control, reproducible builds, automated testing, and disciplined releases
• Evidence of high agency: proactive problem identification and action
• Clear communication with hardware engineers and operators, documenting decisions

Responsibilities

• Own the architecture, implementation, and maintenance of embedded firmware across the vehicle
• Set firmware priorities, identify reliability risks and drive projects to validated releases
• Bring up new boards with electrical engineers: read schematics, write drivers, debug HW/SW interfaces
• Develop device communication over CAN, UART, SPI, I2C with telemetry and timing contracts
• Integrate firmware with vehicle software ensuring consistent state from MCU to operator
• Design safe startup states, watchdogs, interlocks, and recovery paths
• Own firmware builds, versioning, flashing, OTA updates, and recovery workflows
• Build automated tests, simulation, and hardware-in-the-loop coverage
• Partner with manufacturing and flight operations for repeatable provisioning, calibration, diagnostics
• Investigate bench/field failures and drive root-cause with better software/tests

Skills

Embedded software

Rust/C/C++

Board bring-up

Hardware integration

CAN/UART/SPI/I2C

Version control

Automated testing

Fault tolerance

High agency

Hardware debugging

Tools

PX4

MAVLink

Job description

Rainmaker Technology Corporation is seeking an embedded firmware engineer to own the firmware stack across a vehicle and its onboard software interfaces. You will lead architecture, bring-up, testing, and field deployment, ensuring reliable operation from MCU to ground systems.

The role requires 3+ years of hands-on embedded work, strong Rust/C/C++ skills, and experience with CAN/UART/SPI/I2C. You will collaborate with hardware engineers, participate in code reviews, and drive releases with