Firmware/Embedded Software Engineer

Voltify•Los Angeles, CA

About The Position

We’re looking for a Firmware/Embedded Software Engineer to write and test software for our battery electric locomotive control systems. You'll work on everything from low-level embedded firmware to industrial HMI interfaces, collaborating closely with electrical and mechanical teams to bring our locomotive to life. We want a driven, fast-paced self-learner who can move between embedded C/C++ development, Linux system configuration, and high-level HMI design while maintaining rigorous safety standards. We offer a competitive salary, comprehensive benefits, and the opportunity to build the software backbone of the future of rail technology.

Requirements

3+ years of embedded software/firmware development experience (automotive, marine, industrial, or rail preferred)
Strong proficiency in C, C++, and Python
Experience with Linux system administration, configuration, and shell scripting
Hands-on experience with communication protocols: CAN Bus, Ethernet, I2C, SPI
Knowledge of high-voltage system control (BMS, power routing, contactor control)
Experience designing industrial HMI interfaces (web-based or native GUI)
Understanding of software architecture and documentation practices
Familiarity with safety-critical software development principles

Nice To Haves

STM32 microcontroller experience
MATLAB/Simulink experience for model-based design
Experience with SCADA systems, MQTT, or industrial IoT protocols
Ability to thrive in fast-paced, high-pressure startup environments
Proactive problem-solver who takes ownership from concept to deployment
Passion for clean energy and sustainable transportation
Bonus: Experience with battery management systems or electric vehicle controls
Bonus 2: Loves trains

Responsibilities

Write and test embedded software and firmware for locomotive system controls (C/C++, Python)
Design and implement industrial HMI interfaces using HTML or GUI programming frameworks
Configure and maintain Linux systems, including BASH scripting and network configuration
Implement robust communication stacks for Ethernet, CAN Bus, I2C, and SPI protocols
Develop control algorithms for high-voltage systems including BMS and power routing
Create and maintain software architecture documentation and technical specifications
Implement simple signal filtering and data processing algorithms
Develop network APIs and integrate with SCADA systems and MQTT protocols
Design software for safety-critical systems with proper validation and verification
Collaborate with electrical engineers on embedded controller integration
Support system testing and validation in lab and field environments