Senior React Native Engineer

ABOUT ARENA CLUB  If you’re fascinated by sports cards and memorabilia, your search ends here. Arena Club is pioneering the collectibles domain by introducing the first-ever digital card show. Spearheaded by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, Arena Club has developed a fully digital marketplace. This innovative platform is built on trust, transparency, and fun, featuring grading & authentication, vaulting, and digital pack openings for collectors to build and showcase their collections in a personalized online showroom from anywhere in the world.    ABOUT THE ROLE We are seeking a highly skilled and experienced Senior Mobile Engineer with strong experience in React Native to help scale and evolve Arena Club’s mobile app. As a key member of the team, you’ll deliver new features, refine performance, and ensure world-class user experiences for our growing community of collectors. This role offers a unique opportunity to play a crucial role in shaping and building app-only features that enhance our platform.   WHAT YOU WILL DO • Contribute to the ongoing development of Arena Club’s mobile app using React Native, delivering new features and enhancements that delight our users • Collaborate with product managers and designers to create intuitive, engaging customer experiences • Partner with backend and web engineers to ensure seamless functionality across platforms • Design and implement robust app architectures and complex user interfaces • Ensure the performance, quality, and responsiveness of the application • Raise the engineering bar, set development standards, and identify and correct bottlenecks • Help maintain code quality, organization, and automation   QUALIFICATIONS • Bachelor’s degree in Computer Science, Engineering, or a related field * 7+ years of experience in mobile application development • Proficient in React Native with a strong understanding of the iOS and Android ecosystems • Familiarity with modern mobile frameworks and tools (Rx, IoC/DI, analytics, A/B testing, Bazel)  • Experience leading mobile app development projects and deploying apps from scratch • Experience with automated testing frameworks and continuous integration • Solid understanding of mobile app architecture and life cycle • Experience with automated testing frameworks and continuous integration • Familiarity with cloud messaging APIs, push notifications, and building e-commerce marketplaces • Hands-on experience using AI tools (Claude or Cursor preferred; other agentic tools welcome) to ship code, build agents, and automate workflows • Ability to work effectively in a remote team environment and collaborate with engineers across various time zones • Strong problem-solving skills and a can-do attitude