Senior Frontend Engineer

Hyphen Connect Limited; Hong Kong; Sur place; HKD 900 000 - 1 500 000; Plein temps

Résumé du poste

Hyphen Connect Limited is seeking a senior frontend architect to lead architecture design and core module development for large-scale dApps using Vue 3 and React. You will implement cross-chain interactions across EVM and non-EVM networks, integrate on-chain calls, and build a unified Wallet Adapter Layer to improve reusability.

The role demands 10+ years in frontend development, 5+ years in dApp projects, and deep expertise in Vue/React reactivity, wallet security, and cross-team collaboration

Qualifications

• Bachelor's degree in Computer Science or related fields.
• 10+ years of frontend development experience.
• 5+ years of dApp development experience.

Responsabilités

• Lead frontend architecture design and core module development for large-scale dApps based on Vue 3 and React.
• Implement seamless multi-chain interactions with EVM and non-EVM networks (e.g., Solana, Sui).
• encapsulate frontend smart contract calls (ABI parsing, transaction construction, signing & sending).
• Integrate WalletConnect protocol for cross-device, cross-platform wallet connections.
• Build a unified Wallet Adapter Layer to abstract chain/wallet differences.
• Optimize frontend performance and UX to handle low-latency and weak networks.

Connaissances

Frontend architecture

Cross-chain dApp experience

Vue 3 / Composition API

React with Hooks

Web3 security awareness

Cross-functional collaboration

Performance optimization

Formation

Bachelor's degree in Computer Science

10+ years frontend development

5+ years dApp development

Outils

ethers.js

viem

web3.js

@solana/web3.js

@solana/wallet-adapter

WalletConnect v2

Sui.js SDK

Description du poste

• Frontend Architecture & Core Module Development: Lead the frontend architecture design and core module development of large-scale dApps based on Vue 3 (Composition API + Vite) and React (Hooks + Concurrent Mode).
• Multi-Chain Interaction: Implement seamless interactions with multiple blockchain networks, including EVM chains (Ethereum, Polygon, etc.) and non-EVM chains (Solana, Sui, etc.).
• Smart Contract Integration: Responsible for encapsulating frontend smart contract calls, including ABI parsing, transaction construction, signing & sending, state listening, and error handling.
• WalletConnect Integration: Integrate WalletConnect protocol to support cross-device, cross-platform, and multi-chain wallet connections.
• Wallet Adapter Layer: Build a unified Wallet Adapter Layer to abstract differences between chains and wallets, improving code reusability and maintainability.
• Performance & UX Optimization: Optimize frontend performance and user experience to ensure smooth interactions even in low-latency and weak network environments.

Job Requirements

• Educational Background & Experience: Bachelor's degree or higher in Computer Science or related majors, 10+ years of frontend development experience, and 5+ years of dApp development experience.
• Core Frontend Expertise: 10+ years of frontend development experience. Proficient in Vue and React, with deep understanding of reactivity principles, Virtual DOM, and state management frameworks (Pinia/Vuex, Redux/Zustand).
• Large-Scale Application Engineering: Hands-on architecture experience with large-scale SPA or SSR applications. Familiar with engineering practices such as micro-frontends, component library design, and performance monitoring.
• EVM Ecosystem: Familiar with EVM mechanisms. Proficient in calling Solidity contracts using ethers.js / viem / web3.js, with a solid understanding of Gas costs, event log parsing, and the transaction lifecycle.
• Solana Ecosystem: Familiar with the Solana development model. Proficient in @solana/web3.js or @solana/wallet-adapter for account management, transaction signing, and program calls.
• Sui Ecosystem: Familiar with Sui Move language fundamentals and Sui.js SDK, capable of object querying, transaction building, and wallet interactions.
• WalletConnect: Proficient in WalletConnect v2 protocol, understanding its encrypted channels, session management, and cross-chain support mechanisms, with proven integration experience across Web, Mobile, PWA, and other scenarios.
• Web3 Security Mechanisms: Clear understanding of Decentralized Identity (DID), wallet signature verification (Personal Sign / Sign Typed Data), Nonce anti-replay attacks, and other security mechanisms.
• dApp Project Experience: Hands-on experience developing production-grade dApp projects that have gone live (e.g., NFT Marketplaces, DeFi platforms, DAO tools, Wallet Aggregators).
• Code & System Design: Clean code structure with strong abstraction capabilities and scalable design thinking.
• Cross-Functional Collaboration: Strong cross-functional collaboration skills, with effective communication abilities across backend, smart contract, and UI/UX teams.
• Web3 Security Best Practices: Attentive to Web3 security best practices, with a strong awareness of preventing phishing attacks, permission abuse, and frontend vulnerabilities.