Senior Software Engineer - Frontend (React)

Responsibilities

• Design and develop cutting-edge, responsive web and mobile applications using React and React Native
• Create highly interactive frontend solutions that enhance user engagement and performance
• Collaborate closely with designers, backend engineers, and product managers to ensure seamless integration
• Build scalable, maintainable, and reusable UI components
• Mentor junior developers and conduct thorough code reviews to maintain high code quality
• Optimize applications for maximum speed and scalability across web and mobile platforms

Requirements

• 4–7+ years of experience in frontend development
• 2+ years of hands-on React Native development experience
• Extensive experience with React.js and React Native
• Strong proficiency in JavaScript (ES6+) and TypeScript
• In-depth knowledge of HTML5, CSS3, and modern styling solutions like Tailwind CSS or Styled Components
• Proficiency in state management (Redux, Zustand, or Context API)
• Experience integrating RESTful APIs and GraphQL (including Apollo Client)
• Proficiency with Git and automated testing frameworks such as Jest and React Testing Library

Preferred Qualifications

• Experience with Next.js and Server-Side Rendering (SSR)
• Experience with the Expo ecosystem
• Familiarity with Progressive Web Applications (PWAs) and WCAG accessibility standards
• Knowledge of mobile app publishing processes for Google Play Store and Apple App Store
• Experience with performance optimization tools like Lighthouse or React profiling tools
• Familiarity with monitoring tools such as Firebase Analytics, Crashlytics, or Sentry

About the Company

CodeNinja is a professional services firm dedicated to building high-performance digital solutions. We focus on delivering cutting-edge web and mobile applications that provide seamless user experiences.