Senior PX4 Developer

Rainmaker Technology Corporation • El Segundo, CA

1d • Onsite

About The Position

Rainmaker builds systems to make it rain. Our autonomous drone fleets and weather modification platform operate worldwide: expanding freshwater supplies, protecting agriculture, and proving that cloud seeding works at scale. This role involves contributing to our drone autonomy software stack end-to-end as a domain expert, modifying and extending PX4 firmware for custom use cases and flight behaviors, and developing firmware for embedded systems across power, peripherals, and sensing. The position also includes supporting simulation-based testing in Gazebo, HITL, and SITL environments, and assisting with flight test support, log analysis, and software debugging.

Requirements

• 3+ years of professional experience developing software for PX4/ArduPilot systems
• Experience shipping production code in Rust, plus C++ or Python
• Experience developing firmware for ESP32, RP2040, or similar embedded targets
• Comfort with low-level peripheral buses: CAN, UART, I2C, SPI
• Experience with real-time pub/sub middleware (Zenoh, DDS, ROS 2, MQTT, or similar)
• Working knowledge of MAVLink and typical autopilot integration patterns

Nice To Haves

• A seasoned software engineer with a background in drone autonomy
• Fast, thoughtful, autonomous, and opinionated
• Willing to relocate to El Segundo, California

Responsibilities

• Contribute to our drone autonomy software stack end-to-end as a domain expert
• Modify and extend PX4 firmware for custom use cases and flight behaviors
• Develop firmware for embedded systems across power, peripherals, and sensing
• Support simulation-based testing in Gazebo, HITL, and SITL environments
• Assist with flight test support, log analysis, and software debugging

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 11-50 employees