AOSP ROM Security & Customization Expert

I'm seeking an experienced Android developer to create a customized AOSP ROM with enhanced security and custom features.

Key Requirements:
- Implement security tweaks:
- App permission management
- Secure boot process
- Base ROM: AOSP (Android Open Source Project)
- Additional custom features:
- Theme customization
- Performance enhancements
- Battery optimizations

Ideal Skills & Experience:
- In-depth knowledge of AOSP and Android security
- Experience in ROM development and customization
- Strong skills in theme development and performance optimization
- Familiarity with secure boot processes

Please provide examples of previous work and a brief outline of your approach.