We are looking for an experienced Android Developer to design, build, and own Kudo’s native Android trading application. This is a performance-sensitive financial product involving: * Real-time quote streaming * Interactive charting * Order execution flows * Account management * Payments and withdrawals * Secure authentication and compliance workflows Kudo is building a high-performance native Android trading app for our traders. The mobile app is a core product and must deliver a fast, stable, and secure trading experience under real-time market conditions. We are investing in a native-first approach to ensure premium performance, strong security posture, and long-term scalability.. Your Role: Native Android Application * Build and maintain a high-performance Android app using Kotlin * Ensure smooth UI responsiveness under real-time streaming conditions * Deliver a polished, production-ready user experience Real-Time Market Data * Implement WebSocket-based quote streaming * Architect efficient state handling for high-frequency updates * Maintain consistent UI performance during periods of market volatility Charting & Trading UI * Integrate or build performant charting components (candlestick, indicators, gestures) * Ensure smooth pinch/zoom, pan, and crosshair interactions * Maintain performance targets across supported Android devices Order Execution * Implement fast, reliable order placement flows * Optimise tap-to-request performance * Handle edge cases around network instability and reconnections API Integration * Integrate with Kudo’s backend APIs * Implement secure authentication flows (OAuth 2/OIDC) * Handle session management and token refresh securely Security & Compliance * Secure storage using Android Keystore and encrypted storage * Certificate pinning and secure networking * Root detection and runtime integrity protections * Implement security standards appropriate for financial services Push Notifications * Implement Firebase Cloud Messaging (FCM) for trade confirmations, price alerts, and compliance notifications Technical Environment * Language: Kotlin * UI Framework: Jetpack Compose * Networking: Retrofit / OkHttp, WebSockets * Architecture: MVVM / Clean Architecture (or similar) * Auth: OAuth 2.0 + OIDC * Infrastructure: Azure * CI/CD: Azure DevOps Pipelines What Makes You A Great Fit: * 2+ years experience building native Android applications in Kotlin * Fintech, brokerage, CFD, or trading platform experience * Strong understanding of Android performance optimisation * Experience building real-time or data-intensive mobile applications * Solid understanding of REST APIs and WebSockets * Experience with Google Play Store submission and release cycles * Familiarity with Android security best practices (Android Keystore, certificate pinning, etc.) * Experience profiling apps using Android Studio Profiler and performance tools Nice to Have * Experience building trading or charting applications * Experience handling high-frequency data updates * Experience with performance-critical UI rendering * Familiarity with financial app compliance requirements Responsibilities * Architect and build Kudo’s native Android trading app * Deliver a fast, reliable, and secure trading experience * Maintain UI responsiveness during real-time streaming * Collaborate closely with backend engineers and the iOS Developer * Continuously profile and optimise performance * Manage Google Play Store releases and ongoing improvements What We Offer: * Competitive remuneration package * Work life balance with hybrid model * Flexible working hours to support productivity and personal rhythm * Half day Birthdays off * Referral bonus * Regular team-building and company events to keep our culture connected and fun * Partner of Udemy Business - unlimited learning for continuous professional and personal development Kudo offers equal employment opportunities for all job seekers. Encouragement of equality and of equal opportunities is a fundamental priority of our company during the interview selection process and during employment.