We’re looking for a Lead Mobile App Engineer (React Native) to join our Digital Technology organization. This is a senior individual contributor role that combines hands-on development with technical leadership within a team or product area.
As a Lead Engineer, you’ll:
· Own the technical execution of complex mobile features
· Lead design and implementation within your team
· Mentor engineers and raise overall code quality
· Partner closely with Product, Design, Backend, and QA teams
· Help deliver reliable, high-quality mobile experiences used by millions of guests
This role is ideal for experienced mobile engineers who want to lead technically, remain deeply hands-on, and grow toward Staff-level impact over time.
RESPONSIBILITIES
Hands-On Engineering
· Design, build, and maintain mobile features using React Native, TypeScript, and JavaScript
· Contribute native iOS and Android code when needed (Swift / Objective-C / Java / Kotlin)
· Own feature delivery from design through release in the App Store and Google Play
· Perform thoughtful code reviews focused on quality, performance, and maintainability
· Troubleshoot and resolve production issues; participate in incident response as needed
· Build reusable components and shared patterns for multi-brand mobile applications
Technical Design & Architecture
· Lead technical design for features and medium-to-large initiatives
· Author and review design documents and implementation plans
· Apply established mobile architecture patterns (state management, navigation, offline support)
· Integrate mobile apps with backend services (REST, GraphQL, authentication)
· Ensure secure coding practices and data protection standards are met
Quality, Performance & Reliability
· Optimize app performance (startup time, rendering efficiency, memory usage)
· Implement and maintain observability using tools like Splunk and Firebase Crashlytics
· Champion automated testing:
o Unit tests (Jest or similar)
o Integration and E2E tests (Maestro or similar)
· Ensure accessibility compliance (WCAG / Section 508)
· Contribute to improving crash-free sessions and overall app stability
CI/CD & Release Support
· Contribute to mobile CI/CD pipelines
· Support release execution, versioning, and store submissions
· Follow established release and OTA deployment practices
Technical Leadership & Mentorship
· Act as a technical lead within your team or feature area
· Mentor junior and mid-level engineers through pairing, reviews, and guidance
· Lead technical discussions and influence team-level engineering decisions
· Collaborate effectively with Product, Design, Backend, QA, and DevOps partners
EDUCATION AND QUALIFICATIONS
4 Year Degree and/or Bachelor's Degree in Information Technology or related field
· 7 years of professional software engineering experience
· 4 years building and shipping React Native mobile applications
· Proven experience delivering apps to Apple App Store and Google Play
· Strong proficiency in:
o React Native, TypeScript, JavaScript (ES6+)
o Redux, Context API, Hooks, React Navigation
· Experience integrating mobile apps with REST and/or GraphQL APIs
· Solid understanding of mobile performance, testing, and debugging
· Experience working in production environments with real users at scale
KNOWLEDGE, SKILLS AND ABILITIES
· Experience with native mobile development (iOS and/or Android)
· Familiarity with CI/CD pipelines and mobile release workflows
· Experience with offline data storage (SQLite, Realm, Redux-persist)
· Exposure to mobile security concepts (OAuth, secure storage)
· Experience working on multi-brand or large-scale consumer app
· Strong ownership and accountability for delivery
· Clear communicator of technical ideas and tradeoffs
· Collaborative, pragmatic problem solver
· Growth-oriented mentor who helps raise team quality
· Comfortable operating with moderate autonomy and guidance