App Engineer (Kotlin) / APP工程师

OneBullEx is a crypto futures exchange startup designed for speed, reliability, and innovation. Our platform offers advanced futures trading capabilities, including AI-powered 300 SPARTANS trading bots for automated, high-precision strategies. We combine a user-focused interface with transparent risk management, empowering traders to navigate the fast-moving digital asset markets with confidence.OneBullEx 是一家旨在实现极致速度、可靠性与创新的加密货币期货交易所初创企业。我们的平台提供先进的期货交易功能，包括由 AI 驱动的"300 SPARTANS"交易机器人，助力实现高精度的自动化交易策略。我们将以用户为中心的界面与透明的风险管理相结合，赋予交易者十足的信心去应对瞬息万变的数字资产市场。We are seeking a skilled App Engineer to lead the development and optimization of our mobile trading experience. In this role, you will leverage Kotlin Multiplatform to build high-performance, cross-platform features, ensuring our traders have seamless, low-latency access to spot and futures markets on both Android and iOS.我们正在寻找一名资深的 APP 工程师来领导我们移动端交易体验的开发与优化。在此职位中，你将利用 Kotlin Multiplatform 构建高性能的跨平台功能，确保我们的交易者在 Android 和 iOS 端都能无缝、低延迟地访问现货和期货市场。Core Responsibilities / 工作职责Mobile Development & Optimization / 交易所APP开发与优化

• Responsible for the development, maintenance, and optimization of the exchange APP, supporting core functions such as spot and futures trading.
• 负责交易所APP的开发、维护和优化，支持现货、合约交易等核心功能。

• Utilize Kotlin and Kotlin Multiplatform (KMP) to develop cross-platform applications, ensuring compatibility across Android and iOS platforms.
• 使用Kotlin和Kotlin Multiplatform开发跨平台APP，确保Android和iOS平台的兼容性。

• Integrate TradingView components to implement high-quality K-line charts and trading data visualization.
• 集成TradingView组件，实现高质量的K线图和交易数据可视化。

• Develop and maintain WebSocket-based real-time data transmission to ensure low-latency updates of trading data.
• 开发和维护基于WebSocket的实时数据传输功能，确保交易数据低延迟更新。

• Participate in APP architecture design, optimize code structure, and improve performance and UX. Collaborate with backend teams to design and integrate APIs.
• 参与APP的架构设计，优化代码结构，提升性能和用户体验 ；与后端团队协作，设计和对接API。

• Write high-quality code, participate in peer reviews, and work with testing teams to troubleshoot and fix issues to ensure stability.
• 编写高质量代码，参与代码评审 ；配合测试团队进行问题排查和修复，保障APP的稳定性和可靠性。

• 3+ years of APP development experience with proficiency in Kotlin and familiarity with Android development workflows.
• 3年以上APP开发经验，精通Kotlin编程语言，熟悉Android开发流程。

• Proven experience with Kotlin Multiplatform (KMP) for cross-platform code reuse().
• 具备Kotlin Multiplatform开发经验，能够实现跨平台代码复用。

• Deep understanding of exchange operations, including spot/futures trading, matching engines, and liquidity aggregation.
• 熟悉交易所业务，深入理解现货、合约交易、交易撮合和聚合的业务逻辑。

• Skilled in using TradingView for K-line integration and WebSocket technology for real-time data processing.
• 熟练使用TradingView，具备集成和优化K线图的经验 ；熟悉WebSocket技术，能够实现实时数据传输和处理。

• Excellent Chinese communication skills. Ability to work remotely or relocate to Dubai.
• 具备良好的中文沟通能力；能够适应远程工作或愿意在迪拜工作。