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Software Dev Engineer III, Simulation Foundations

Amazon

Amazon

Redmond, WA, USA
Posted on Dec 2, 2025

Description

Amazon Leo is Amazon’s low Earth orbit satellite broadband network. Its mission is to deliver fast, reliable internet to customers and communities around the world, and we’ve designed the system with the capacity, flexibility, and performance to serve a wide range of customers, from individual households to schools, hospitals, businesses, government agencies, and other organizations operating in locations without reliable connectivity.

Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

This role of a Software Engineer will design, implement, and operate globally available distributed systems geared towards giving Leo the ability to operate within realistic virtual Leo environments at scale. You’ll build systems using the latest AWS technologies, leveraging best-in-industry software engineering practices.

Key job responsibilities
Build systems using the latest AWS technologies

Design and Implement Distributed Cloud-based Services and APIs

Invent new tools that enable more frequent and reliable software deployment, test execution, and data analysis as part of a continuous integration and release system.

Develop tools that allow for test execution across multiple environments: virtualized hardware, real hardware-in-the-loop simulations, and on-orbit testing.

Evangelize engineering excellence best practices and mentor junior engineers.

Knowledge of object-oriented programming concepts.

Experience with systems integration and testing methodologies.

Deep understanding of testing, continuous integration, build, deployment & continuous monitoring.

A day in the life
This role is for a Software Development Engineer who will build new cloud services and APIs that facilitates and orchestrates simulation of software on Kuiper devices such as satellites, ground gateways, and customer terminals. You will be building low-latency, highly scalable architecture that are critical to getting high quality internet service to customers.