Principal Engineer - Blockchain Platform (React Native)

Key Responsibilities Architect, develop, and maintain high-performance React Native applications for iOS and Android Own mobile architecture, technical standards, and long-term scalability strategy Ensure code quality, performance optimization, stability, and maintainability across the mobile codebase Lead comprehensive code reviews and uphold a high engineering bar Mentor and guide mobile engineers, fostering technical growth and best practices Collaborate cross-functionally with product, backend, design, and QA teams to deliver end-to-end features Identify and resolve performance bottlenecks, memory issues, and crash risks proactively Define and improve mobile development workflows, testing strategies, CI/CD, and release processes Stay up to date with React Native, iOS, and Android ecosystem advancements and drive adoption where relevant Core Requirements 8+ years of professional mobile development experience (iOS and/or Android) 3+ years of hands-on React Native experience in production environments Proven experience as a Tech Lead or Senior Engineer owning mobile architecture and code quality Expert-level proficiency in TypeScript and JavaScript with strong clean-code principles Deep understanding of mobile app architecture patterns, performance optimization, and memory management Strong familiarity with native tooling (Xcode, Android Studio, Gradle, CocoaPods) Experience integrating REST APIs, authentication flows, and secure data handling Familiarity with mobile CI/CD pipelines, app store release processes, and versioning strategies Strong decision-making skills with the ability to clearly communicate technical trade-offs