Mobile App Security Vulnerability Assessment

I'm seeking an expert white hat hacker to conduct a thorough vulnerability assessment on my mobile application.

Key Requirements:
- Conduct a comprehensive vulnerability assessment focusing on mobile application security.
- Assess both iOS and Android versions of the app.

Ideal Skills:
- Extensive experience in penetration testing and vulnerability assessment, particularly on mobile applications.
- Proficiency in security auditing for both iOS and Android platforms.

Please note, the ultimate goal is to identify and resolve any potential security flaws before they can be exploited.