Senior PX4 Developer

Senior PX4 Developer

El Segundo, CAEngineering /On-site

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.

You are:

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

What you’ll work on:

• 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 we’re looking for:

• 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

$150,000 - $200,000 a year

Benefits

• Significant stock options with high potential upside as an early-stage company
• 401(k) with employer matching
• Full health coverage (medical, dental, and vision insurance)
• Relocation assistance provided (if applicable)
• Unlimited PTO
• Paid parental leave for both parents
• Lunch provided when working in-office and a fully stocked kitchenette
• Free EV charging at the HQ

Rainmaker is an Equal Opportunity Employer; employment with Rainmaker is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Rainmaker participates in E-Verify. To learn more, including your rights and responsibilities, please visit E-Verify.gov.