Android Engineer — United States

SpaceXSI

About The Company

SpaceX was founded on the belief that a future in which humanity explores the stars is more exciting than one in which it does not. SpaceXSI is building Super Intelligence to help humanity understand the universe and contribute to a multiplanetary future. The company is developing a complete Super Intelligence stack, spanning Colossus supercomputers, Grok models, and applications such as Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. These efforts form a product and research flywheel: greater computing capacity supports better models, better models enable more useful products, and insights from people using those products help inform what the teams build next.

About The Role

SpaceXSI is seeking a Senior Mobile Android Engineer to join a small, high-impact team building an AI application designed to deliver meaningful value to users. In this role, you will shape mobile experiences that combine technical excellence with thoughtful product judgment. You will work on the most important product or technical challenge at any given time, helping make the application intuitive, responsive, reliable, and enjoyable to use. You will collaborate closely with design, backend, iOS, and web partners, and take ownership of work from early exploration through production release. This position is suited to an engineer who cares deeply about user experience, takes initiative, and can balance ambitious product ideas with the practical needs of a large-scale mobile application.

Qualifications

• At least 5 years of professional experience developing Android applications with Kotlin, Jetpack Compose, Coroutines, and Flow.

• Deep knowledge of the Android platform, including its capabilities, limitations, and engineering trade-offs.

• Strong proficiency with Android development tools and workflows, including Android Studio and Gradle.

• A track record of delivering and maintaining features in production applications.

• Strong product judgment and the ability to identify user problems and translate them into effective improvements.

• Experience using analytics and product metrics to assess outcomes and guide decisions.

• Clear communication skills and the ability to explain technical choices to engineering, design, and product partners.

• Ability to work independently, manage priorities, and involve others when collaboration is needed.

• Experience with iOS, web, or backend development is an advantage, as is work on applications serving millions of daily active users.

Responsibilities

• Design and build polished Android experiences that make it easier and more rewarding for people to interact with the application.

• Pay close attention to visual details, animations, and interactions so each experience feels cohesive and seamless.

• Develop fast, efficient systems and improve performance where every millisecond can affect the user experience.

• Partner with designers and engineers across backend, iOS, and web to shape product and technical decisions.

• Own the quality of the features you deliver, from implementation and testing through release and ongoing improvement.

• Use A/B tests, analytics, user feedback, and firsthand product use to identify issues and evaluate potential solutions.

• Take problems from initial idea to production, proactively identifying opportunities to improve the application.

Benefits

The listed base salary range for this role is $180,000 to $330,000 USD. Base salary is one component of SpaceXSI’s total rewards package. The package also includes equity, comprehensive medical, vision, and dental coverage, short- and long-term disability insurance, life insurance, and a range of additional discounts and perks. Compensation and benefits are provided in accordance with the applicable terms of employment.

Equal Opportunity

SpaceXSI is an equal opportunity employer. The company is committed to providing fair employment consideration and encourages candidates with relevant skills and experience to apply. For information about how applicant data is processed, please review the SpaceXSI Recruitment Privacy Notice.