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harrytmthy/README.md

Hi, I'm Harry Timothy 👋

Senior Android Engineer with a deep passion for crafting secure and performant Android apps. My work centers around thoughtful architecture, meaningful optimizations, and clarity-first collaboration.

Currently refining SafeBox, a blazing-fast, memory-safe, encrypted alternative to the deprecated EncryptedSharedPreferences. Designed from the ground up for apps demanding peak security and performance.

📦 Featured Projects

  • SafeBox
    A high-performance encrypted key-value storage SDK featuring ChaCha20-Poly1305 encryption, memory-mapped I/O, and robust concurrency support.

  • Sanctum (coming soon)
    A privacy-focused journaling app, emphasizing clean architecture, offline-first functionality, and secure local encryption.

🎤 Speaking Engagements

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

💬 Always open to future speaking engagements or collaborative discussions.

🤝 Support

If my work has positively impacted your projects, consider ⭐️ starring the repo or sponsoring me to support future development.

Pinned Loading

  1. safebox safebox Public

    “A blazing-fast, memory-mapped, encrypted replacement for SharedPreferences in Android”

    Kotlin 14 1

  2. sanctum sanctum Public

    A privacy-first, offline-first journaling app built with clean architecture and secure local encryption.

    Kotlin