Cross Platform Business Mobile App

I need a proficient mobile app developer capable of creating a cross-platform application for my business which supports both iOS and Android platforms. This is a high-priority project and I expect to have it completed within a month. While I didn't specify all the functionalities, I expect you to have a broad knowledge base and be able to suggest and implement functional and creative solutions as per my business needs.

Primary requirements include:
- Cross-platform compatibility (iOS and Android)
- Ability to suggest and implement a range of app functionalities

Ideal skills and experience:
- Proficiency in cross-platform mobile app development, especially iOS and Android platforms
- Broad skills across various functionalities and able to suggest implementations
- Able to work within the deadline, which is a month from project initiation date
- Proven experience in similar projects will be an added advantage.