Frontend Engineer (ReactJS)

About HaaNaa

Role Overview

Key Responsibilities

• Develop responsive, high-performance user interfaces using React JS.
• Convert Figma designs into reusable and efficient components.
• Maintain clean, modular, and well-documented code.
• Ensure cross-browser compatibility and responsiveness across devices.
• Integrate with backend services and handle real-time data flows via WebSockets or APIs.
• Work with product managers and designers to build engaging and intuitive user experiences.
• Optimize the application for maximum performance, scalability, and cross-device responsiveness.
• Implement unit and integration tests using frameworks like Jest or Cypress and contribute to our CI/CD pipelines to ensure robust and reliable releases.
  

Requirements

• Bachelor’s Degree: Required, preferably in Computer Science or a related field.
• 2–5 years of experience in frontend development using React JS.
• Strong understanding of JavaScript (ES6+) and TypeScript.
• Solid grasp of CSS3, HTML5, and modern frontend tooling (Webpack, Babel, etc.).
• Familiarity with state management libraries like Redux, Zustand, or Context API.
• Experience integrating REST APIs and WebSockets.
• Proficiency in modern CSS architecture and tools, with direct experience using utility-first frameworks like Tailwind CSS. Familiarity with component libraries (e.g., Material-UI, Chakra UI) or CSS-in-JS is a strong plus
• Understanding of accessibility, SEO basics, and web performance optimization.
• Exposure to unit testing frameworks and CI/CD for web (Jest, Cypress, GitHub Actions, etc.).
• Experience with Firebase services (Authentication, Firestore, Analytics) is a plus.
  

Good To Have

• Experience with JavaScript, TypeScript and React JS
• Exposure to app performance monitoring and analytics tools.
• Interest in user behavior, gamification, or prediction markets.
  

• Ownership: Lead the development of a cutting-edge mobile gaming platform.
• Innovation: Work on challenging projects with real-time, scalable gaming solutions.
• Teamwork: Collaborate with passionate professionals in a dynamic and innovative environment.
• Growth: Opportunity to grow as a leader in a fast-paced, rapidly expanding gaming company.
• Perks & Benefits: Competitive salary, health insurance.