White Hat Hacking for Secure Apps

I need a skilled white hat hacker to perform a comprehensive vulnerability assessment. The target systems are our web and mobile applications. The primary goal is to identify security flaws.

Key requirements:
- Expertise in vulnerability assessment
- Experience with web and mobile application security
- Detailed reporting on security flaws
- Recommendations for remediation

Ideal skills and experience:
- Certifications like CEH, OSCP, or equivalent
- Strong understanding of OWASP Top Ten
- Background in secure coding practices
- Previous experience with similar assessments

Please provide samples of previous work and relevant certifications.