Senior or Staff Simulation Software Engineer
Confirmed live in the last 24 hours
Zipline
Compensation
$180,000 - $265,000/year
Job Description
About Zipline
Zipline is the world’s largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world’s largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products.
Our customers include the world’s largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we’ve built to enable seamless, reliable, global operations.
Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe.
We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people’s lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds.
About You and the Role
Zipline is scaling the world's largest autonomous drone delivery network—a pioneering Physical AI system—delivering life-saving medical supplies and commercial goods globally. Our commitment to safety and exponential scale demands an industrial-grade virtual test environment, decoupled from physical hardware. That’s the mission of our Simulation team.
We are seeking a Simulation Software Engineer to build and evolve the core infrastructure that validates our entire robotics fleet software. This is not a standard simulation role; it is deep, systems-level software engineering focused on creating high-performance, high-fidelity digital twins that enable deterministic, faster-than-realtime testing of all autonomous safety-critical flight logic, cloud connectivity, and vehicle coordination across thousands of mission scenarios.
This role is absolutely critical for the safety and reliability of Zipline's real-world Physical AI deployment. If you are driven by the challenge of integrating complex flight software with synthetic environments, real hardware, and advanced time-manipulation to rigorously test an autonomous system, we want to hear from you!
What You'll Own
- Robotics Infrastructure Framework: Own the universal simulation test automation framework utilized by teams across the organization, including Autonomy, Embedded Systems, Cloud, Ground Software, and Test Engineering, making you a company-wide enabler for rapid iteration.
- Deterministic Core Systems: Architect the core synchronization and control system that drives the simulation's time flow, input generation, and complex scenario orchestration, allowing rigorous validation of full-stack autonomy and emergency workflows.
- Fleet Digital Twins & Virtual Test Environment: Develop a robust, scalable environment for testing real-world failure modes, complex multi-robot fleet behaviors, and system edge cases at scale, eliminating reliance on physical aircraft or hardware for regression testing.
- Synthetic Data Generation: Lead the integration of advanced image sensor and visual autonomy simulation capabilities for verification of closed-loop perception and control software.
- Service Integration Layer: Build and maintain integration layers that connect simulated vehicle components with fake cloud servers and ground station software, creating a true end-to-end system digital twin.
- Performance & Scalability: Lead the transition of our in-house simulation system to Rust, a critical, high-impact initiative focused on dram
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