Android Developer Needed for Voice Recorder App

Looking for an experienced Android developer to build a high-quality Voice Recorder app with a clean, user-friendly UI. The app must be production-ready, fast, lightweight, and stable across all device types.

Key Requirements:
Pixel-perfect UI implementation as per design (no deviations)
Background recording with crash recovery
Playback controls, speed control, trim/cut audio
Smart file naming, search, sort, and file management
Tag system, favorites, multi-select actions
Share recordings and set as ringtone/alarm
Firebase integrations

Tech Stack:
Kotlin preferred (Java acceptable)
Clean architecture (MVVM or similar)
Scalable, well-structured code (no templates or copied code)

Performance Expectations:
No crashes, no ANR
Smooth recording, no audio loss
Optimized for low-end to high-end devices

Other Requirements:
Weekly progress updates
Bug fixing and full support during testing phase
Delivery includes full source code and APK/AAB

Only apply if you have strong experience in Android app development and can deliver production-level quality.