Staff/ Principal Software Engineer - Mobile (React Native)

Grvt

Singapore, Singapore Remote permanent

Posted: November 14, 2025

Required Skills

Job Description

✅ Job Responsibilities

• Architect, build, and maintain high-performance React Native applications for iOS and Android

• Act as technical lead for mobile, owning architecture decisions, coding standards, and best practices

• Ensure code quality, performance, stability, and scalability across the entire mobile codebase

• Lead and conduct thorough code reviews, setting a high engineering bar

• Mentor and guide other mobile engineers, supporting their technical growth

• Collaborate closely with product, backend, design, and QA teams to deliver features end-to-end

• Proactively identify and resolve performance bottlenecks, memory issues, and app stability risks

• Define and improve mobile development workflows, testing strategy, and release processes

• Stay current with React Native, iOS, and Android ecosystem changes and recommend improvements

👤 Core Requirement

• 8+ years of professional mobile development experience (iOS, Android, or both)

• 3+ years of hands-on React Native experience in production apps

• Strong leadership experience as a tech lead or senior engineer, with ownership of mobile code quality

• Expert-level TypeScript / JavaScript knowledge and clean code practices

• Solid understanding of mobile app architecture, performance optimization, and memory management

• Experience working with native mobile tooling (Xcode, Android Studio, Gradle, CocoaPods, etc.)

• Strong experience integrating with REST APIs, authentication flows, and secure data handling

• Familiarity with mobile CI/CD pipelines, app store release processes, and versioning strategies

• Ability to make pragmatic technical decisions and communicate trade-offs clearly

Nice to Have

• Experience with Redux, Zustand, or other state-management patterns

• Automated testing (Jest, Detox, E2E testing)

• Experience with GraphQL

• Performance profiling and crash analytics (e.g. Firebase, Sentry)

• Exposure to crypto, fintech, or web3 products

🚀 What You’ll Get:

• Competitive salary and benefits

• High ownership and real technical influence over a core product

• Opportunity to work on complex, high-performance apps in the crypto trading space

• Global, remote-first team with strong engineering culture

• Fast-moving environment where your decisions directly impact users

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