App Engineer

Responsibilities

• Lead the development, maintenance, and optimization of the exchange mobile application, supporting core spot and futures trading functions
• Utilize Kotlin and Kotlin Multiplatform (KMP) to build high-performance, cross-platform features for both Android and iOS
• Integrate TradingView components to implement high-quality K-line charts and advanced trading data visualization
• Develop and maintain WebSocket-based real-time data transmission systems to ensure low-latency updates
• Participate in mobile architecture design and collaborate with backend teams to design and integrate APIs
• Write high-quality code, participate in peer reviews, and work with testing teams to ensure application stability

Requirements

• 3+ years of mobile application development experience with proficiency in Kotlin
• Proven experience with Kotlin Multiplatform (KMP) for cross-platform code reuse
• Deep understanding of exchange operations, including spot/futures trading, matching engines, and liquidity aggregation
• Proficiency in WebSocket technology and experience integrating TradingView for K-line charts
• Excellent Chinese communication skills
• Ability to work remotely or relocate to Dubai

Preferred Qualifications

• Familiarity with hybrid technologies such as Flutter or React Native
• Proficiency in iOS development (Swift) or full-stack cross-platform capabilities
• Experience in low-latency data transmission for high-concurrency trading applications
• Familiarity with CI/CD deployment processes or UI/UX design experience

About the Company

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.