Web3 Frontend Developer

Location: Remote

Company

Development of large-scale decentralized applications and Web3 products across EVM, Solana, and Sui ecosystems.

What you will do

• Design frontend architecture and develop core modules for large-scale dApps using Vue 3 with Composition API and Vite, and React with Hooks and Concurrent Mode.
• Implement interactions with EVM networks including Ethereum and Polygon, as well as non-EVM networks including Solana and Sui.
• Build frontend smart contract integrations covering ABI parsing, transaction construction, signing, sending, state listening, and error handling.
• Integrate EVM, Solana, and Sui wallets, including browser and mobile extension wallets and WalletConnect v2 across Web, Mobile, and PWA scenarios.
• Build a unified Wallet Adapter Layer to improve cross-chain and cross-wallet reusability and maintainability.
• Optimize rendering performance, memory usage, first-screen loading, and user experience in low-latency and weak-network environments.

Requirements

• Bachelor's degree or higher in Computer Science or a related major, with 10+ years of frontend development experience and 5+ years of dApp development experience.
• Proficiency in Vue and React, including reactivity principles, Virtual DOM, and state management with Pinia/Vuex and Redux/Zustand.
• Hands-on architecture experience with large-scale SPA or SSR applications, including micro-frontends, component library design, and performance monitoring.
• Deep understanding of browser fundamentals, rendering performance, memory management, and first-screen loading optimization, supported by practical tuning experience.
• Experience with EVM mechanisms and Solidity contract calls using ethers, viem, or web3, including Gas costs, event log parsing, and transaction lifecycle management.
• Experience with the Solana development model and @solana/web3.js or @solana/wallet-adapter for account management, transaction signing, and program calls.
• Knowledge of Sui Move fundamentals and the Sui.js SDK, including object querying, transaction building, and wallet interactions.
• Proficiency in WalletConnect v2, including encrypted channels, session management, cross-chain support, and integrations across Web, Mobile, and PWA.
• Understanding of DID, wallet signature verification, Personal Sign, Sign Typed Data, nonce-based replay protection, phishing prevention, permission abuse prevention, and frontend security vulnerabilities.
• Hands-on experience delivering production-grade dApps such as NFT marketplaces, DeFi platforms, DAO tools, or wallet aggregators.
• Strong abstraction, scalable system design, clean code practices, cross-functional collaboration, and communication with backend, smart contract, and UI/UX teams.

Culture & Benefits

• Remote work format.
• Cross-functional collaboration with backend, smart contract, and UI/UX teams.