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I will reverse engineer android apps and extract api data
Viv Huang
About this gig
Need more than a surface-level decompile? I reverse engineer Android apps to extract private API endpoints, decrypt traffic, and reconstruct hidden logic, then hand you working API calls, not just source files.
What I do:
- Extract private API endpoints, schemas, and auth flows (headers, signing, tokens)
- Reverse custom encryption and proprietary protocols (AES/RSA, HMAC, protobuf)
- Dynamic analysis with Frida: hook code, bypass SSL pinning, decrypt traffic live
- Decompile and deobfuscate APKs (jadx, apktool, ProGuard/R8, AST)
Why me: Most sellers stop at jadx and hand you .java files you can't run. I reconstruct the encryption and protocol so you get working, callable API requests, the actual endpoint, headers, and payload your code can hit directly. Handled ProGuard/R8, custom AES/RSA signing, and protobuf protocols, with full docs and a PoC script on every delivery.
Scoping: I handle ProGuard/R8, custom encryption, SSL pinning, and standard API extraction. For hardened targets (DexGuard, Arxan, VMP), message me first for a feasibility check before you order.
Get to know Viv Huang
Viv Huang
Senior Web and App Scraping Data Extraction Reverse Engineering
- FromChina
- Member sinceJul 2026
- Avg. response time1 hour
- Last delivery2 days
Languages
Chinese, English
I turn websites and mobile apps into clean, structured data and working API calls. My edge: I don't stop at decompiling — I reverse custom encryption and protocols (Frida, mitmproxy) to extract what others can't. From scraping at scale to Android reverse engineering, penetration testing, and FastAPI backends, I deliver production-ready output with full documentation at every step.
My Portfolio
FAQ
Can you reverse engineer apps protected by DexGuard or Arxan?
Yes. I have experience with commercial obfuscators. Pricing varies by protection level — contact me first.
Do you need the original APK file?
Yes. You can extract it from your device or provide the Play Store link, and I will guide you.
Can you bypass login or payment features?
No. I only analyze code structure and security mechanisms, not bypass authentication or payment for unauthorized access.
What format will the deliverables be in?
Java source files (.java), Frida scripts (.js), and a PDF analysis report.
Do you sign NDAs?
Yes, standard NDAs are welcome. Message me with your requirements.
