Mobile App Developer (Native iOS, Android & Flutter)

About the role

Obraz is seeking a versatile Mobile App Developer to create high‑performance native iOS and Android applications as well as Flutter‑based cross‑platform solutions. The role involves close collaboration with Computer Vision, AI/ML, product and design teams to deliver enterprise‑grade mobile software for defense, healthcare and industrial customers.

Key responsibilities

• Design, develop, test and maintain fully native iOS apps in Swift and Android apps in Kotlin.
• Build high‑quality cross‑platform mobile applications using Flutter and Dart where appropriate.
• Implement hybrid communication between Flutter and native layers via MethodChannels and Platform Channels.
• Integrate Apple LiDAR/ARKit and Android ToF/ARCore sensors to capture and process 3D depth data.
• Work directly with native camera APIs (AVFoundation, Camera2/CameraX) for high‑resolution frame capture and AI inference.
• Deploy custom machine‑learning models using Core ML on iOS and TensorFlow Lite on Android.
• Apply MVVM, Clean Architecture and platform‑specific design patterns to ensure scalable codebases.
• Optimize performance, memory usage and responsiveness for image, video and sensor‑intensive workloads.
• Implement secure local storage with Core Data (iOS) and Room (Android).
• Collaborate with AI/ML and Computer Vision engineers to embed advanced algorithms into mobile apps.

Required profile

• Proven experience building native iOS applications with Swift.
• Proven experience building native Android applications with Kotlin.
• Strong proficiency in Flutter and Dart for cross‑platform development.
• Hands‑on experience with hardware‑level integration, computer‑vision processing, and depth‑sensor APIs.
• Ability to work closely with multidisciplinary teams to translate business requirements into functional mobile solutions.

Required skills

• Swift
• Kotlin
• Flutter
• Dart
• Core ML
• TensorFlow Lite
• AVFoundation
• Camera2 API / CameraX
• ARKit
• ARCore
• MethodChannels / Platform Channels
• MVVM
• Clean Architecture
• Core Data
• Room