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harrytmthy/README.md

Hi, I'm Harry Timothy 👋

Senior Android Engineer (8+ years). I build secure, fast, reliable Android apps with clean architecture, offline-first flows, and careful performance work.

Creator of SafeBox, a drop-in replacement for EncryptedSharedPreferences with:

  • ~100× faster init and ~9× faster writes than EncryptedSharedPreferences.
  • ChaCha20-Poly1305 encryption, AES-GCM-wrapped DEK
  • Memory-mapped store with the SharedPreferences API

📦 Featured Projects

  • SafeBox
    A high-performance encrypted key-value store for Android.
    Build Release Stars

🎤 Talks

I've shared insights and best practices on Android development at several notable events, including:

Droidcon Americas 2020: Reactive App Orchestration with StateFlow
Droidcon Americas
Droidcon APAC 2020: Reactive App Orchestration with StateFlow
Droidcon APAC
GDG Makassar DevFest 2021: Android Architecture Patterns & Anti-patterns
DevFest 2021
Bangkit Academy 2021: Building Reactive Apps
Bangkit

🤝 Support

If my work helped you, please ⭐️ the repo or consider sponsoring.

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  1. safebox safebox Public

    A blazing-fast drop-in replacement for EncryptedSharedPreferences on Android

    Kotlin 21 1