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Zappos

Software Development Engineer, VirtSat Team

OnsiteEngineering & technologyNot yet verified

United States, WA, Redmond

Original posting date
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Last seen
Nov 2, 2026

Saved job description

Project Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world.

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.

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.

Key job responsibilities

- Take responsibility for designing and delivering modern, flexible, scalable solutions to complex optimization problems for operating and planning satellite constellations

- Work with our peer teams and customers to design suitable software systems to fulfill the mission needs.

- Write code for production cloud native software systems in Java.

- Utilize AWS and other Amazon technologies to build high-available software services.

- Help on-board and mentor new team members.

- Lead technical roadmap definition efforts and decide what software services to build.

- Define and automate processes used for software development, implementation, testing, and maintenance

- Provide operational excellence and define/refine operational processes

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/emulation of software on Leo 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.

About the team

The team is building the infrastructure which mimics the actual constellations. This is being done to power internal testing of software within Amazon Leo.

Requirements: - 3+ years of non-internship professional software development experience

- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience

- 1+ years of software development engineer or related occupational experience

- 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience

- 1+ years of Object Oriented Design experience

- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field

- Experience programming with at least one software programming language

Location & listing notes

Locations describe the saved posting and do not confirm residence eligibility. Confirm qualifications, travel, restrictions, and availability with the employer.

Source-listed locations: US, Redmond, Washington.

Listed states: WA.

This saved listing has not passed full current-posting verification.

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