StubHub is seeking a Software Engineer II (React Native) to join the Mobile Foundations team within Consumer App Foundations. This team focuses on building and evolving the core React Native platform that powers StubHub’s consumer applications. The role emphasizes improving shared architecture, cross-platform infrastructure, and developer tooling to enhance performance and quality. Ideal candidates will enjoy solving foundational problems and will have a significant impact on the mobile experience for millions of users globally.

• 3–5 years of professional software engineering experience
• Strong experience building and shipping production applications with React Native
• Solid understanding of JavaScript/TypeScript, component-driven architecture, and state management
• Experience building shared abstractions, libraries, or platform-level code
• Experience integrating backend APIs into production applications
• Familiarity with mobile performance optimization and cross-platform considerations for iOS and Android
• Comfortable operating in high-ownership, fast-moving environments
• Proven ability to independently deliver from implementation through production support

• Design, build, test, deploy, and maintain shared React Native platform capabilities
• Develop reusable cross-platform components, hooks, and libraries
• Build and maintain native modules to extend functionality where needed
• Improve application performance, including startup time, memory usage, and runtime responsiveness
• Strengthen React Native architecture, state management patterns, and dependency structures
• Partner with product teams to ensure platform scalability, usability, and adoption
• Contribute to experimentation infrastructure and release enablement systems
• Debug production issues and continuously improve mobile system reliability and developer experience

• Employees at StubHub may receive benefits such as health coverage, retirement savings options, and other perks typical of large technology and e-commerce companies, supporting both their professional growth and overall well-being.