Cross-Platform Face Recognition API Development

I am in need of a highly skilled developer to create a Face Recognition-based API. The API needs to be callable from multiple platforms including Windows, macOS, Linux, and Android. Additionally, it should be capable of dynamically interacting with various databases such as MSSQL, MYSQL, POSTGRAD, and ORACLE.

face recognition based api , which should have below advance features with its functionality:
1- Callable from any cross technology/platform
2- Dynamically call the databases (MSSQL, MYSQL, POSTGRADE, ORACLE)
3- Reliable bug-free light application api I need.
4- API whole functionality flow diagram I am attaching.

Key Requirements:
- Expertise in API development and face recognition technologies
- Proficiency in cross-platform software development, particularly for Windows, macOS, Linux, and Android
- Experience with multiple databases, including MSSQL, MYSQL, POSTGRAD, and ORACLE
- Knowledge of dynamic database interaction

Ideal Skills:
- API Development
- Cross-Platform Software Engineering
- Database Management
- Face Recognition Technology
- Dynamic Database Interaction


Please bid only those company or freelancer who has professional good specific experience in these all domains.