Senior Mobile App Developer

1 week ago

Gurgaon, Haryana, India Walker Digital Table Systems, LLC Full time

Walker Digital table Systems (WDTS) is a US based MNC, headquartered in Las Vegas & the leader in networked table game solutions. WDTS develops innovations for Asian Pacific gaming markets including the Perfect Pay Baccarat Table Network that dramatically increases game security and dealer accuracy while minimizing losses from human error, collusion and theft. PJM or "Phase Jitter Modulation" technology is at the heart of WDTS solutions and is the only proven RFID protocol capable of meeting the high-volume, high-speed, dynamic requirements of the casino environment.

WDTS India is Software R&D unit of Walker Digital Table Systems Inc (WDTS) with its head office and innovation leadership in Las Vegas, sales and support office in Macau, and Hardware is developed, designed and manufactured in Australia. Australian developed PJM RFID technology is at the heart of WDTS solutions and is the only proven RFID protocol capable of meeting the high-volume, high-speed, dynamic requirements of the casino environment. We are an equal opportunity employer.

Website: https://www.wdtablesystems.com

Job Summary

We are looking for a highly skilled Senior Mobile App Developer with expertise in Android app development using Flutter, Dart and Kotlin. The ideal candidate should have extensive experience in creating system apps and services, implementing security and permission mechanisms, and optimizing app performance. Knowledge of Android framework internals is essential, and experience with iOS development (Swift) is a plus.

Key Responsibilities

  • Develop and maintain high-performance Android applications using Flutter and Kotlin.
  • Design and build system applications and background services within the Android ecosystem.
  • Implement security mechanisms such as secure data storage, encryption, and Android permission management.
  • Optimize app performance by leveraging profiling tools, memory management, and CPU/GPU optimizations.
  • Debug and troubleshoot issues using ADB, logcat, Systrace, Perf, and memory analysis tools.
  • Work with Android framework internals to extend or modify system components as needed.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Ensure compliance with Android best practices, guidelines, and security standards.
  • Maintain and improve CI/CD pipelines for app deployment and testing.
  • Stay up to date with emerging trends, technologies, and advancements in mobile app development.

Required Skills & Experience

8+ years of experience in mobile app development (Android).

Strong expertise in Flutter and Kotlin for Android app development.

Experience in developing system applications and services for Android.

Deep understanding of Android security mechanisms (permissions, encryption, SELinux, sandboxing).

Proven experience in app performance optimization and debugging.

Hands-on experience with Android internals, IPC mechanisms, and low-level system components.

Familiarity with tools like Android Studio, Firebase, ProGuard, LeakCanary, and Perfetto.

Good knowledge of RESTful APIs, GraphQL, and WebSockets for backend communication.

Experience with Git, version control workflows, and CI/CD pipelines.

Understanding of Material Design principles and UI/UX best practices.

Good to Have (Bonus Skills)

Experience with iOS development (Swift, Objective-C).

Knowledge of Jetpack Compose and modern Android UI development.

Exposure to Android NDK, JNI, and native development.

Knowledge of AOSP (Android Open Source Project) for deeper system modifications.

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