Mobile Engineer III

Accountabilities

• Contribute to the development of a React Native mobile application from the ground up, including MVP delivery and integration with backend platforms.
• Establish and promote scalable mobile engineering practices, including reusable components, custom hooks, TypeScript patterns, and testing approaches.
• Build end-to-end mobile features from initial design discussions through App Store and Google Play releases.
• Partner with product and design teams to transform user needs into intuitive mobile experiences while balancing technical constraints.
• Improve application quality through testing strategies, monitoring, crash reporting, debugging, and performance optimization.
• Integrate mobile applications with GraphQL APIs and backend services, ensuring efficient data handling and reliable user experiences.
• Support feature teams after MVP launch by providing mobile expertise and driving continued platform development.
• Advocate for mobile-first thinking across engineering teams by sharing best practices and platform-specific considerations.
• Lead through technical documentation, architecture discussions, code reviews, and the creation of shared engineering standards.
• Balance long-term architectural improvements with immediate product delivery priorities in a fast-moving environment.

Requirements

• 3+ years of professional experience building and maintaining production mobile applications with measurable impact.
• Deep expertise with React Native, including navigation, state management solutions, native module integration, and performance optimization.
• Strong TypeScript and modern JavaScript skills, including React patterns, hooks, component composition, and functional programming concepts.
• Experience shipping applications across both iOS App Store and Google Play Store environments.
• Hands-on experience integrating GraphQL clients such as Apollo Client, including caching strategies, optimistic updates, and error handling.
• Strong understanding of database concepts, including schema design, migrations, indexing, and query optimization.
• Experience optimizing mobile performance, including startup time, memory usage, bundle size, image optimization, and list rendering.
• Familiarity with production mobile operations, including crash reporting, analytics, remote configuration, and troubleshooting.
• Experience implementing testing strategies using tools such as Jest, Detox, Appium, or similar frameworks.
• Understanding of mobile CI/CD processes, automated builds, code signing, testing workflows, and app store releases.
• Strong communication skills with the ability to explain technical decisions and collaborate effectively with cross-functional teams.
• Ability to make pragmatic engineering decisions while balancing scalability, architecture, and business priorities.
• Experience in fintech, trading, financial applications, or other high-reliability environments is a plus.
• Familiarity with native iOS or Android development, real-time data technologies, mobile security practices, and complex UI patterns is preferred.

Benefits

• Competitive annual base salary range of $132,000 - $168,000, depending on experience, skills, and location.
• Performance-based bonus eligibility.
• Fully remote to hybrid work flexibility.
• Health, dental, and vision insurance coverage for full-time employees.
• Competitive 401(k) matching program.
• Seven company-paid holidays and generous family leave.
• Front-loaded paid time off with encouragement to take meaningful breaks.
• Food and grocery budget support.
• Health and wellness contributions.
• Opportunity to work on innovative mobile technology in a collaborative engineering environment.