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Middle React Native Engineer
Location
Worldwide
Posted
146 days ago
Salary
0
Seniority
Mid Level
No structured requirement data.
Job Description
Middle React Native Engineer
scrambly
Role Description We are looking for a skilled React Native Engineer to help build and scale Scrambly 's mobile app for iOS and Android. In this role, you will own the end-to-end implementation of key features for a high-traffic platform serving millions of users globally. You will be responsible for translating product requirements into robust software, ensuring that our mobile experience remains user-centric and competitive. Your primary focus will be on writing performant TypeScript code within a modern React Native stack. You will play a crucial role in maintaining app stability, keeping the application fast, reliable, and easy to maintain. This position offers a strategic opportunity to impact business metrics directly by reducing technical debt and optimizing application performance. Success in this role requires active cross-functional collaboration. You will work directly with Backend, QA, and Product teams to clarify requirements, solve complex engineering challenges, and deliver a seamless UX. Additionally, you will contribute to architectural discussions, helping to shape the technical direction of the product alongside senior engineers. Key Responsibilities - Design & Implementation: - Develop and maintain high-quality cross-platform applications using React Native and TypeScript. - Build reusable UI components and highly performant lists (utilizing tools like FlashList or FlatList) that strictly adhere to design specifications. - Integrate mobile apps with backend services via RESTful APIs and WebSockets to ensure real-time data synchronization. - Debug platform-specific issues using Xcode and Android Studio, and write or modify native modules (Swift/Kotlin) when standard libraries are insufficient. - Engineering Standards & Quality: - Champion code quality by writing clean, testable TypeScript code and actively participating in peer code reviews to ensure standards for readability and maintainability are met. - Contribute to the long-term health of the codebase by identifying and fixing technical debt and improving overall test coverage. - Participate in architectural discussions, offering input on state management (e.g., Redux Toolkit, Zustand) and navigation patterns to improve scalability. - Performance, Reliability & Collaboration: - Monitor production stability using tools like Sentry or Crashlytics, proactively identifying and fixing crashes or errors. - Optimize app performance by focusing on specific metrics such as frame rates, memory usage, app size, and battery consumption. - Assist in maintaining CI/CD pipelines to ensure smooth and reliable releases to the App Store and Google Play. - Collaborate effectively with non-technical stakeholders to explain technical constraints and propose viable solutions. Qualifications - 3+ years of professional software engineering experience, with at least 2 years strictly focused on React Native development. - Strong proficiency in TypeScript and the React Native ecosystem (CLI, Hermes, debugging tools). - Solid understanding of iOS and Android build systems (Gradle, Pods, signing/provisioning). Ability to read native code (Swift/Kotlin) to debug platform-specific issues. - Familiarity with modern React patterns (Functional Components, Hooks) and state management libraries (Redux Toolkit, Zustand, or TanStack Query). - Experience writing unit tests using Jest and familiarity with End-to-End (E2E) testing concepts. - Ability to explain technical concepts clearly to diverse teams. - English: Upper-Intermediate or higher (B2/B2+, written and spoken). Requirements - Experience launching and maintaining a B2C app with 100k+ Monthly Active Users (MAU). - Hands-on experience writing Native Modules or JSI/TurboModules from scratch. - Familiarity with mobile analytics tools (Segment, Amplitude) and A/B testing implementation. - Experience with automation tools like Maestro or Appium. - Knowledge of backend fundamentals (Node.js) to debug API integrations effectively. Benefits - Your code will impact millions of users globally. Performance optimizations you implement will translate into immediate value and improved user experience. - Work with the latest React Native tools and standards (TypeScript, Hermes, etc.) without being bogged down by legacy spaghetti code. - A collaborative environment with rigorous code reviews and knowledge sharing - we value the best idea, regardless of title or seniority. - A high level of ownership where you can see your features go live quickly in a fast-paced environment. - Full-time & fully remote position. - 15 days of paid vacation days. - 5 days of paid days off. - 5 days of paid sick leave. - Maternity/Paternity leave. - National holidays based on the country of your stay.
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