Senior React Native Engineer

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. 

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.

• 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

• 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