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Mahammadjan M.

Mahammadjan M.

Android Reverse Engineer | Web Penetration Tester | OSCP, C|EH

I'm a cyber security professional with more than 4 years of professional experience, MSc in Cyber Security (NCSC Accredited), holding global certifications: OSCP (Offensive Security Certified Professional) and C|EH (Certified Ethical Hacker) I provide following services: Reverse Engineering: - Android Reverse Engineering - Android APK Patching - Frida Scripting - SSL pinning - API Reverse Engineering - Root Detection - Emulator Detection - Native Library Anti Reverse Engineering - Unity Games Anti Reverse Engineering - x86/64 Anti Reverse Engineering - Binary Patching - Binary Decompilation - Network Traffic Analysis - Malware Analysis Penetration Testing : - Mobile Application Penetration Testing - Web Application Penetration Testing - Application Security - Network Penetration Testing - Red Team Operations - RFID, Signal, Wireless Security Testing I'd be more than glad to welcome your questions

🇬🇧London, United Kingdom$30/hr100% JSS4.73 (31)Since Nov 2022

Earnings and projects

MRR (estimate)
≈$33

An estimate from an earlier read

World#158,524 / 412k
🇬🇧Country#3,418 / 10.7k
Revenue, last 30 days
$0

Last 6 months: $198

Total earnings
$19k

Billed in all: $20k

World#144,922 / 412k
🇬🇧Country#3,375 / 10.7k
Per project
$344

$66 in the last 6 months

World#218,484 / 412k
🇬🇧Country#6,076 / 10.7k
Projects, last 6 months
3

Across 4 contracts

50% fixed50% hourly
World#66,479 / 412k
🇬🇧Country#1,491 / 10.7k
Projects in all
55

Across 64 contracts

48% fixed52% hourly
World#55,586 / 412k
🇬🇧Country#1,457 / 10.7k

Earnings, last 30 days

$19.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$19.2k$19.4k$19.6k$19.8kOct 8Oct 23Nov 7

No data since Nov 5, 2026.

Skill rankings: Top 21% in X86 Assembly Language

Ranked by MRR among everyone on Upwork with the skill.

  1. #9X86 Assembly Language42 freelancers · 🇬🇧 #1Top 21%
  2. #66Security Assessment & Testing171 freelancers · 🇬🇧 #2Top 39%
  3. #72Security Engineering229 freelancers · 🇬🇧 #2Top 31%
  4. #86Application Security251 freelancers · 🇬🇧 #3Top 34%
  5. #93Web Application Security246 freelancers · 🇬🇧 #2Top 38%
  6. #99Security Testing255 freelancers · 🇬🇧 #3Top 39%
  7. #114Ethical Hacking320 freelancers · 🇬🇧 #2Top 36%
  8. #219Penetration Testing623 freelancers · 🇬🇧 #10Top 35%