Senior PX4 Developer

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 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.

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