Senior Software Engineer - Routing Engine
Zipline · Ann Arbor, Michigan USA; South San Francisco, California, USA
About this role
### About Zipline Zipline is the world’s largest and most experienced drone delivery service. We’re on a mission to serve all humans equally by ensuring access to food, medicine, and essential goods anytime, anywhere. We design, build, and operate a global autonomous logistics system that delivers critical supplies quickly and reliably. 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. ### Why this role matters The **Routing team** determines how every Zipline aircraft moves through the world. You will design **safe and efficient flight paths** that guide aircraft through complex, ever-changing airspace—navigating obstacles, uncertainty, and dynamic conditions in real time. You will also build **optimization algorithms** that compute the global set of routes executed autonomously, balancing **reliability, throughput, and flight performance** at scale. These systems operate in real time and must account for: - Weather - Airspace restrictions - Vehicle performance - Operational priorities - Dynamic demand This is a **highly visible, safety-critical** function with direct operational impact. Your work influences how fast we deliver, how efficiently we scale, and how safely we operate in increasingly complex environments. ### Why this role is unique - **Build the brain of the delivery network:** design systems that determine how aircraft move through real-world airspace at global scale. - **Real-world impact:** improvements show up in delivery speed, network throughput, and operational reliability. - **Deep technical challenges:** routing sits at the intersection of autonomy, distributed systems, and real-world operations. *Note: The provided job description appears truncated after the “Routing sits at the...” section.*
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