Senior Mobile Engineer, Proof Technology

• If you thrive in fast-paced environments, love solving complex technical challenges, and are passionate about building high-performance mobile experiences, this role is for you
• 5+ years of software development experience, with 2-3+ years focused on React Native or other mobile frameworks
• Strong fullstack capabilities with experience in backend technologies (Node.js, Python, or similar) and database systems (PostgreSQL, MongoDB, etc.)
• Expertise in mobile architecture, performance optimization, and platform-specific development (iOS & Android)
• Strong proficiency in JavaScript & TypeScript, with experience integrating native modules and building RESTful APIs
• A product-focused mindset, with a deep understanding of UX, engagement, and performance across the entire application stack
• Experience with RESTful APIs, GraphQL (nice to have), and backend performance optimization
• Familiarity with mobile CI/CD pipelines, automated testing frameworks, and app store submission processes
• Experience with push notifications, deep linking, and background services
• Knowledge of Firebase, Fastlane, and OTA update solutions
• A self-starter who thrives in an agile, high-growth environment with excellent communication and collaboration skills

Desirable

• As we continue to scale, we’re looking for a Senior Mobile Engineer to own and help drive the evolution of our React Native applications
• Lead the architecture, development, and optimization of Proof's React Native mobile applications
• Contribute to backend development, building and maintaining APIs, services, and database integrations that power our mobile apps
• Collaborate closely with engineers, product managers, and designers to create seamless, high-impact user experiences across the full stack
• Optimize app performance, identifying and resolving bottlenecks, memory issues, and platform-specific challenges on both frontend and backend
• Implement best practices in mobile and backend engineering, conducting thorough code reviews and mentoring team members
• Stay ahead of the curve by researching and integrating emerging technologies to improve our mobile and backend stack
• Develop and maintain reusable components, libraries, and API endpoints for future use
• Ensure security best practices across the stack, including secure storage, authentication mechanisms, and API security
• Utilize modern state management solutions such as Redux, Zustand, or Recoil