Frontend Developer - Freelance

Join a cutting-edge project at the intersection of blockchain gaming and privacy technology. This role focuses on completing the integration of FHEGuess, a privacy-preserving number guessing game leveraging FHEVM technology, with existing backend services. The smart contracts are already deployed on the Sepolia testnet, and foundational components such as a React frontend, Express backend, and MongoDB database are in place. The successful candidate will be responsible for delivering a seamless, full-stack Web3 experience, enhancing both the technical and user-facing aspects of the game. The position requires a strong understanding of blockchain game mechanics, real-time updates, and secure, scalable integrations to ensure a robust and engaging platform for users. Deliverables

• Integrate FHEGuess frontend with backend services, ensuring smooth communication and data flow
• Implement multi-wallet support and wallet-based authentication
• Develop real-time updates for gameplay, leaderboards, and game statistics
• Enhance transaction management and error handling for optimal user experience
• Add user management features and social functionalities
• Optimize the application for both desktop and mobile devices
• Ensure efficient state and event management throughout the stack
• Provide comprehensive documentation for all new features and integrations

Requirements

• Proven experience in full-stack Web3 development, particularly with React/TypeScript, Ethers.js, Node/Express, and MongoDB
• Deep understanding of blockchain game mechanics and privacy-preserving technologies
• Demonstrated ability to integrate with RESTful APIs and manage wallet-based authentication
• Strong skills in real-time data handling, state management, and event-driven architectures
• Experience optimizing applications for performance and mobile responsiveness
• Advanced error handling and debugging capabilities
• Excellent communication skills and ability to deliver thorough technical documentation
• Familiarity with FHEVM or similar privacy technologies is highly desirable
• Ability to work independently and deliver high-quality results within tight deadlines

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