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