User-Centric Mobile OS Development

I am looking for an expert in mobile operating system development with a sharp focus on creating a user-friendly interface. The OS should be designed to function on both smartphones and tablets.

Key aspects of the project include:
- Development of an intuitive, easy-to-navigate interface suitable for all user levels.
- Implementation of robust security features including data encryption, biometric authentication, and app permission control.
- Incorporation of advanced battery optimization techniques to enhance device longevity.
- Integration of multi-language support to cater to a global audience.
- Inclusion of accessibility features such as screen readers, text-to-speech, and high-contrast modes.
- Ensuring seamless integration with popular apps and services.
- Development of offline functionalities for core features and services.
- Provision for regular updates to enhance performance and security.
- Incorporation of AI for smart suggestions and automations based on user behavior.
- Implementation of robust parental control options.
- Offering a high degree of customizability for users to personalize their interface.
- Introduction of reliable data backup and recovery solutions.

Ideal skills and experience for this job:
- Proven track record in mobile OS development.
- Strong UI/UX design skills.
- In-depth knowledge of security protocols and implementation.
- Experience with developing OS for both smartphones and tablets.

The OS is primarily designed for general consumers. The mobile OS will be custom-built from scratch, providing unique user experiences and features. The mobile OS will be developed on an Android-based platform. The target timeline for project completion is 3-6 months. The user interface should be colorful and vibrant. Include offline media playback capabilities for core features. Priority should be given to developing an intuitive interface. The AI integration should be minimalistic, providing only essential smart suggestions and automations. Prioritize user behavior analysis for AI integration. The OS should cater primarily to everybody.