Responsibilities • Develop next-generation desktop browsers (macOS preferred) with Arc-inspired minimalist UX • Build and optimize core browsing features on Chromium (C++) https://donutbrowser.notion.site/Browser-Engineer-Web3-AI-Integration-1f50c3402aa381d48fd3fee8c50fdf1b 1/3 2025/8/25 09:48 Browser Engineer (Web3 & AI Integration) • Implement highly secure built-in crypto wallet with key management and transaction signing • Integrate Web3 Provider for seamless, secure DApp interactions • Incorporate AI to enhance Web3 user experience • Solve low-level challenges (Swift↔C++ interoperability, performance tuning, security hardening) • Write clean, maintainable code with continuous performance/security optimization 职位职责 • 开发新一代桌面浏览器（优先考虑 macOS 平台），采用 Arc 风格的极简用户体验设计 • 基于 Chromium 构建并优化核心浏览功能（使用 C++） • 实现高度安全的嵌入式加密钱包，具备密钥管理和交易签名功能 • 集成 Web3 Provider，实现无缝、安全的去中心化应用交互 • 融合人工智能技术以提升 Web3 用户体验 • 解决底层技术挑战（如 Swift 与 C++ 互操作性、性能调优、安全加固） • 编写清晰、可维护的代码，并进行持续的性能与安全优化

Requirements • Strong C++ systems programming skills (Chromium codebase experience preferred) • Proficiency in Swift (or C++/WinUI for Windows) for native desktop development • Deep understanding of browser engine principles and performance optimization • Experience with Swift/C++/O bj-C++ interoperability • Blockchain f undamentals and Web3 library experience (ethers.js/web3.js) • Knowledge of wallet security best practices and attack vectors • Security-conscious coding with sandboxing/process isolation awareness • Professional English communication skills 🔥 Bonus Qualifications • AI/NLP integration experience https://donutbrowser.notion.site/Browser-Engineer-Web3-AI-Integration-1f50c3402aa381d48fd3fee8c50fdf1b 2/3 2025/8/25 09:48 Browser Engineer (Web3 & AI Integration) • Multi-chain exposure (Solana, Polygon, etc.) • Advanced key management (Secure Enclave/HSM/MPC) • Browser security contributions (site isolation, etc.) 任职要求 • 扎实的 C++ 系统编程能力（有 Chromium 代码库经验者优先） • 精通 Swift（或 Windows 平台的 C++/WinUI）进行原生桌面开发 • 深入理解浏览器引擎原理与性能优化 • 具备 Swift/C++/Objective-C++ 互操作性开发经验 • 拥有区块链基础知识和 Web3 库使用经验（如 ethers.js/web3.js） • 了解钱包安全最佳实践及攻击防范手段 • 具备安全意识编码，熟悉沙箱/进程隔离技术 • 能够使用英语进行专业沟通 🔥 加分项 • 有 AI/自然语言处理集成经验 • 熟悉多链生态（如 Solana、Polygon 等） • 掌握高级密钥管理技术（安全飞地/HSM/多方计算） • 有浏览器安全贡献经验（如站点隔离等） • 拥有开源项目成果或跨平台（macOS 和 Windows）开发经验