Senior Mobile App Developer Needed

I'm looking for a senior mobile app technician developer to assist us in providing a technical a solution for our App, using both iOS and Android platforms. The app has already been created, (yes on Lovable) However, the technical issue that remains, just happens to be the whole concept of the app..

Ideal Skills and Experience:
- Proven experience in developing high-quality mobile apps for both iOS and Android
- Essential knowledge in dedicated audio processing chips, Acoustic Echo Cancellation, Noise Suppression, DSP and sophisticated software layer .
- Strong problem-solving skills and attention to detail
- Excellent communication skills for project updates and feedback

Please provide examples of previous work and an estimated timeline for completion.