小红书
iOS Software Engineer - rednote
岗位职责
About Us: rednote is one of the fastest-growing lifestyle community platforms in the world. We are building our client engineering team in New York City to craft product experiences for users across the globe. You will work on core features of the rednote mobile apps (iOS/Android), collaborating with teams across the US, Singapore, and China to bring "share and discover a wonderful life" to a global audience. rednote 是全球增长最快的生活方式社区之一，我们正在纽约组建客户端研发团队，服务全球用户的产品体验。你将参与 rednote 客户端iOS的核心功能研发，与中国、新加坡及美国多地团队协作，把"分享和发现美好生活"带给全世界。 Job Responsibilities:
Design, build, and maintain core modules of the rednote app (iOS or Android), covering content consumption (Feed / note details / comments), content creation, and creator tools
Optimize product experience for North American and global users: app launch time, smoothness, binary size, and performance under weak network conditions
Drive 0-to-1 development of market-specific features, including localized interactions, multi-language support, and regional compliance capabilities (privacy, minor protection, etc.)
Partner closely with product, design, backend, and algorithm teams to iterate fast while maintaining production quality; participate in code reviews and technical design
Strengthen client infrastructure: stability monitoring, performance tracing, A/B experimentation framework, and CI/CD pipelines
Explore AI-assisted development workflows and on-device intelligence scenarios
负责 rednote 客户端（iOS 或 Android）核心业务模块的设计、开发与维护，包括内容消费（Feed/笔记详情/评论）、内容发布、创作者工具等方向
面向北美及全球用户优化产品体验：启动速度、流畅度、包体积、弱网表现等核心性能指标
参与海外差异化功能的 0 到 1 建设，包括本地化交互、多语言适配、区域合规能力（隐私、未成年人保护等）
与产品、设计、后端及算法团队紧密协作，快速迭代并保障线上质量；参与代码评审与技术方案设计
建设与完善客户端基础设施：稳定性监控、性能追踪、A/B 实验框架、CI/CD 流程
探索 AI 辅助研发与端上智能场景的落地
任职要求
Job Requirements
Bachelor or above in Computer Science or related field, with 3+ years of iOS or Android development experience
Proficiency in Swift/Objective-C, solid knowledge of UIKit/SwiftUI, memory management, and performance tuning
Experience shipping and operating large-scale apps (1M+ DAU), with a strong understanding of client architecture (modularization, componentization, cross-platform approaches)
Solid CS fundamentals: data structures, algorithms, networking, and operating systems
Able to work effectively in both English and Chinese across time zones
计算机相关专业本科及以上学历，3 年以上 iOS 或 Android 开发经验
iOS 方向：精通 Swift/Objective-C，熟悉 UIKit/SwiftUI、内存管理与性能调优；
有大型 App（DAU 百万级以上）的开发与线上问题处理经验，理解客户端架构设计（组件化、模块化、跨端方案）
具备扎实的计算机基础：数据结构、算法、网络、操作系统
中英文可作为工作语言，能与跨时区团队高效协作 Nice to Have:
Experience with community / social / content products and an understanding of UGC-specific client challenges
Experience with global products: multi-language, multi-timezone, and privacy compliance (GDPR / CCPA / COPPA)
Cross-platform experience (Flutter / React Native) or dynamic framework development
Background in audio/video, image processing, or on-device ML
Active open-source contributions or technical writing
有社区/社交/内容类产品经验，理解 UGC 产品的客户端技术特点
有出海产品经验，熟悉多语言/多时区/隐私合规（GDPR/CCPA/COPPA）适配
有 Flutter/React Native 跨端经验，或参与过动态化框架建设
有音视频、图像处理、端智能（On-device ML）方向的积累
活跃的开源贡献或技术博客
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