Improving v2 App Security

I'm looking for a skilled individual who can enhance the security of our v2 app across multiple platforms. Main concerns include unauthorized access, data breaches, and malware attacks. Key functionalities to secure are user authentication, data encryption, and secure communication.

Ideal Skills:
- Proficient in mobile app security
- Experience in securing user authentication, data encryption, and secure communication
- Knowledgeable about iOS, Android, and web browser security
- Ability to identify vulnerabilities and provide effective solutions
- Excellent communication skills to explain and implement security measures to our development team.