Lead Mobile App Engineer

At GameStop, we are committed to delivering exceptional gaming and digital experiences for our customers. As part of our PowerPacks ecosystem, you will help build and enhance mobile experiences that support loyalty, rewards, memberships, subscriptions, and customer engagement for millions of users.

GameStop is seeking a Lead Mobile App Engineer to drive the development of innovative mobile solutions across iOS and Android platforms. This role combines hands-on engineering, technical leadership, and mentorship while partnering closely with Product, Design, and Engineering teams to deliver customer-focused experiences.

This role is onsite 5 days a week in Grapevine, TX.

What You'll Do

• Lead the development and delivery of mobile applications and features supporting GameStop's PowerPacks ecosystem.
• Design, build, and maintain scalable solutions using React Native, Swift, and/or Kotlin.
• Drive technical decisions and contribute to mobile architecture and engineering standards.
• Collaborate with Product Managers, UX Designers, and business stakeholders to deliver high-quality customer experiences.
• Mentor and coach engineers through code reviews, technical guidance, and best practices.
• Improve application performance, reliability, and maintainability.
• Use data and customer feedback to influence product enhancements and prioritization.
• Support continuous improvement across development processes and engineering practices.

What You'll Bring

• Expert-level React Native and TypeScript practices
• Experience shipping and maintaining production iOS and Android apps, including App Store and Google Play release processes
• Strong understanding of state management tradeoffs: server state, form state, and local UI state
• Experience integrating REST and/or GraphQL APIs (Axios, Apollo, or similar)
• Experience with a mobile component library or design system (React Native Paper, NativeBase, Tamagui, or similar)
• Familiarity with React Navigation or Expo Router
• Comfort writing tests and working with mobile e2e test suites (Detox, Maestro, or Appium)
• Experience in a fast-paced ecommerce environment, including familiarity with checkout and payment flows
• Proficiency with Git-based workflows and mobile CI/CD pipelines (GitLab CI, Fastlane, or similar)
• Strong communication skills and experience mentoring other engineer