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Key Responsibilities and Required Skills for React Native Engineer

💰 $120,000 - $180,000

Software EngineeringMobile DevelopmentReact NativeJavaScriptInformation Technology

🎯 Role Definition

Are you a passionate and skilled React Native Engineer ready to make a significant impact? This role requires a dedicated professional to join our innovative mobile engineering team. In this role, you will be at the forefront of developing our next-generation cross-platform applications for both iOS and Android. You will take complete ownership of the development lifecycle, from collaborating on initial concepts and designs to deploying and maintaining a flawless user experience.

As a key member of our team, you will work closely with product managers, UI/UX designers, and backend engineers to transform ideas into tangible, high-quality features. This is a unique opportunity to shape a product used by a massive audience, work with a modern tech stack, and be part of a collaborative culture that champions code quality, continuous improvement, and professional growth. If you excel at solving complex problems and building elegant, performant mobile solutions, we want to hear from you.

📈 Career Progression

Typical Career Path

Entry Point From:

  • Mobile Developer (iOS or Android)
  • Frontend Developer (React)
  • Junior React Native Developer

Advancement To:

  • Senior React Native Engineer
  • Mobile Tech Lead / Principal Mobile Engineer
  • Engineering Manager

Lateral Moves:

  • Full Stack Developer
  • Solutions Architect

Core Responsibilities

Primary Functions

  • Design, architect, and develop high-quality, reusable, and reliable code for our cross-platform mobile applications using React Native.
  • Architect and implement new user-facing features from concept to deployment, ensuring they are performant, scalable, and provide an exceptional user experience.
  • Collaborate closely with cross-functional teams, including product management, UI/UX design, and backend engineering, to define, design, and ship new features.
  • Write and maintain a comprehensive suite of unit, integration, and end-to-end tests using frameworks like Jest and Detox to ensure application robustness and stability.
  • Bridge the gap between JavaScript and native platforms by creating and maintaining native modules and components in Swift/Objective-C for iOS and Kotlin/Java when required.
  • Diagnose, troubleshoot, and resolve complex technical issues, bugs, and performance bottlenecks across the application to improve responsiveness and efficiency.
  • Manage the full application lifecycle, including the build, test, and release process, and handle submissions to the Apple App Store and Google Play Store.
  • Conduct thorough and constructive code reviews for peers to maintain high code quality standards and foster a culture of collaborative improvement.
  • Translate detailed UI/UX designs and wireframes into pixel-perfect, high-quality user interfaces that are consistent and intuitive across both iOS and Android platforms.
  • Optimize application performance for maximum speed, scalability, and resource efficiency, including memory usage, CPU load, and network traffic.
  • Integrate with third-party services and backend APIs (RESTful, GraphQL), handling data gracefully and ensuring seamless communication between the client and server.
  • Develop and maintain robust state management solutions using libraries such as Redux, MobX, or Zustand to ensure a predictable and manageable application state.
  • Implement and maintain CI/CD pipelines using tools like Fastlane, Jenkins, or GitHub Actions to automate the build, testing, and deployment processes.
  • Ensure the security of the application by implementing industry best practices for data storage, authentication, and secure communication protocols.
  • Refactor and improve the existing codebase to enhance maintainability, reduce technical debt, and adapt to evolving business requirements.
  • Champion accessibility standards (WCAG) to ensure our applications are usable by people with a wide range of disabilities.
  • Create and maintain clear, concise technical documentation for code, architecture, and processes to facilitate knowledge sharing and streamline developer onboarding.
  • Work closely with the product team to provide technical feasibility assessments, effort estimations, and insights for proposed features and product enhancements.
  • Implement robust error handling, logging, and monitoring solutions to proactively identify, diagnose, and address issues in the production environment.
  • Stay current with the latest industry trends, technologies, and best practices in mobile development, and advocate for their adoption where they can benefit the team and product.

Secondary Functions

  • Mentor and provide technical guidance to junior developers on the team, fostering their professional growth.
  • Contribute to the continuous improvement of our engineering standards, tooling, and development processes.
  • Evaluate and prototype new technologies, libraries, and frameworks to enhance our mobile platform's capabilities.
  • Participate in the recruitment process, including conducting technical interviews for prospective candidates.

Required Skills & Competencies

Hard Skills (Technical)

  • Expert proficiency in React Native, React.js, and modern JavaScript (ES6+)/TypeScript.
  • Strong, hands-on experience with state management libraries like Redux, MobX, or Zustand.
  • Solid understanding of native mobile development ecosystems, including Xcode, Swift/Objective-C for iOS, and Android Studio, Kotlin/Java for Android.
  • Proven experience consuming and integrating with RESTful APIs and/or GraphQL endpoints.
  • Expertise in mobile testing methodologies and frameworks (e.g., Jest, Detox, React Native Testing Library).
  • High proficiency with version control systems, particularly Git and collaborative Git-based workflows (e.g., GitFlow).
  • Hands-on experience with CI/CD pipelines and tools for mobile development (e.g., Fastlane, CircleCI, Jenkins, GitHub Actions).
  • Deep familiarity with the entire mobile app release lifecycle, including code signing and publishing to the Apple App Store and Google Play Store.
  • Demonstrable knowledge of mobile performance profiling, analysis, and optimization techniques using tools like Flipper, Xcode Instruments, and Android Profiler.
  • Understanding of mobile UI/UX principles and a keen eye for detail to implement pixel-perfect designs.

Soft Skills

  • Exceptional analytical and problem-solving skills with the ability to navigate complex technical challenges.
  • Excellent verbal and written communication skills, capable of articulating technical concepts to both technical and non-technical stakeholders.
  • A strong sense of ownership, accountability, and a proactive, results-oriented mindset.
  • A collaborative team player who thrives in a fast-paced, agile development environment.
  • High attention to detail and a commitment to delivering high-quality, well-tested, and maintainable code.
  • Adaptability and a passion for continuous learning to keep up with the fast-evolving mobile landscape.

Education & Experience

Educational Background

Minimum Education:

  • Bachelor's degree in a technical field or equivalent practical experience in software development.

Preferred Education:

  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.

Relevant Fields of Study:

  • Computer Science
  • Software Engineering

Experience Requirements

Typical Experience Range: 3-7 years of professional software development experience, with at least 2-3 years focused on React Native.

Preferred:

  • Proven experience shipping and maintaining at least two commercial mobile applications to both the Apple App Store and Google Play Store.
  • A portfolio of projects or a GitHub profile demonstrating your skills and passion for mobile development.
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