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shahzaibx21

Shahzaib Ahmed

@shahzaibx21

Reverse Engineer

Pakistan
English, Urdu
About me
Certified Android Reverse Engineer | Penetration Tester | Mobile App Security Specialist Are you concerned your Android application or backend API may be vulnerable to reverse engineering, repackaging, or exploitation? I help companies proactively identify and eliminate critical security weaknesses — before real attackers find them. With over 5 years of hands-on experience in Android reverse engineering, mobile application penetration testing, and API security assessment, I specialize in uncovering high-impact vulnerabilities through structured, ethical, and technically rigorous testing.... Read more

Skills

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shahzaibx21
Shahzaib Ahmed
Offline • 
Average response time: 1 hour

See my services

Programming & Tech
I will reverse private API , protobuff , encryptions , automation scraping
From$300 / projectMore details

Portfolio

Work experience

ZZ_Group Company CCS

Android Reverse Engineer

ZZ Group Company CCS

Mar 2021 - Feb 2026 • 4 yrs 11 mos

Worked as an Android Reverse Engineer specializing in mobile application security testing, reverse engineering, and vulnerability assessment. Conducted in-depth static and dynamic analysis of Android applications to identify security flaws, logic vulnerabilities, and data exposure risks. Key Responsibilities & Achievements: Performed APK reverse engineering using Smali, JADX, Ghidra, and Apktool Conducted dynamic analysis and runtime instrumentation using Frida and Objection Identified and bypassed SSL pinning implementations for security testing purposes Analyzed API endpoints, authentication flows, and token security Executed mobile penetration tests using Burp Suite and MITM proxy tools Discovered critical vulnerabilities including insecure data storage, hardcoded secrets, and improper authentication Delivered detailed security assessment reports with CVSS scoring and remediation guidance Assisted development teams in implementing secure coding practices