Cardoo is looking for a Senior Software Engineer to own mobile development end-to-end across Android & iOS (Flutter + native). You’ll build real-world connected experiences by integrating mobile apps with hardware (BLE, telemetry, firmware updates) while working across backend APIs and multiple layers of the stack. - Competitive salary based on experience. - Medical insurance coverage. -Social Insurance Coverage. - Opportunities for professional development and exposure Build and maintain mobile features using Flutter Write native code in Kotlin (Android) and Swift (iOS) when needed Integrate BLE, telemetry, and firmware OTA updates Design and consume backend APIs for mobile features Debug complex issues across Dart, Kotlin, and Swift layers Test and validate features on real physical devices 4+ years of software engineering experience 2+ years of Flutter with production apps shipped Strong knowledge of Kotlin and Swift Experience with BLE or hardware integrations Solid experience with REST APIs and data synchronization Strong debugging and problem-solving skill