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.
Skills Required
- 3+ years 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
- Support simulation-based testing in Gazebo, HITL, and SITL environments
- Flight test support, log analysis, and software debugging experience
- Willingness to relocate to El Segundo, California
What We Do
Rain is a tactical brand marketing and creative communications agency that helps midsize B2B brands become hero brands. They specialize in brand and marketing strategy to sharpen business positioning and creative communications to energize sales and refine messaging, ensuring the right message reaches the right audience in the appropriate tone.






