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Principal Ground Software Engineer

Company:
AST SpaceMobile
Location:
Lanham, MD
Posted:
June 21, 2025
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Description:

Job Description

AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet – on land, at sea and in flight.

Summary:

AST SpaceMobile is looking to hire a Principal Engineer with experience in full-stack development who will be responsible for a large portion of software and infrastructure to support Ground Software and Mission Operations. Given this, a successful candidate for this position will have familiarity with software design principles and some familiarity with operations development. The candidate will be an integral member of the Ground Software Team, which is responsible for the software used to assist in communication and control of our satellites. The candidate will have a large amount of latitude in terms of how they choose to develop systems, so they must be a self-starter and willing to lead efforts to develop new systems. This candidate will be expected to have a few direct reports and also work with software teams in our India division as well.

Duties and Responsibilities:

Design and implement software applications in support of mission operations for constellation-based satellites

Design, implement and maintain a network infrastructure in support of ground to satellite communication systems

Debug and troubleshoot any software bugs identified in network or full-stack software

Collaborate across various sub-systems and address any pain-points through ground software applications focusing on automation.

Be one of the leaders within the ground software group (US and India)

Be a strong individual contributor (70% contribution, 30 % managerial)

Track project deliverables across the team

Provide technical guidance and help uphold industry best practices

Minimum Qualifications:

At least 10 years' experience in an application development position

Must have at least 3 years of space experience

Strong software engineering experience

Proficiency in implementing DevOps systems

Proficiency with version control systems

Proficiency with Networking concepts and Fundamentals

Proficiency in Full Stack development

Experience with programming languages like C, C++, Java, Python, Go, or other programming languages

Experience with frameworks such as:

NodeJS, FastAPI, NestJS, Fiber

Express, OpenAPI, Swagger, TypeORM

Angular, Vue, React

Flutter, Swift, Android Studio

Experience with concurrent (multithreaded) programming practices and libraries

Experience using Cloud Providers (specifically AWS)

Experience with containerization such as Docker

Comfortable working on different operating systems such as Linux and Windows depending on the task.

Experience using both relational and non-relational databases

Experience with centralized logging systems (Splunk/ Elasticsearch)

Must be a U.S Citizen or be a Permanent Resident Card holder

Preferred Qualifications:

Proficiency with implementing DevOps concepts complex environments

Continuous integration

Continuous testing

Continuous deployment

Continuous monitoring

Experience developing platform agnostic applications (works on iOS, android and web)

Strong front-end design and development experience

Experience with front-end mockup software such as Adobe XD or Figma

Experience with shell scripting languages such as bash and powershell

AST SpaceMobile is an Equal Opportunity, at will Employer; employment 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.

Full-time

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