🌴 JobsLeisure.com

Where Work Meets Adventure

← Back to Leisure Jobs

Cybersecurity Engineer - Ethical Hacking (CTF, Reverse Engineering, Antibot)

Hospitality Full Benefits Career Growth
Company

NielsenIQ

Location

Madrid, Spain

Posted

June 18, 2026

Start Your Adventure

Join our team and work where others vacation

Apply Now

About This Opportunity

Job Description

What You’ll Do 

  • Reverse Engineering & Decompilation: 

    Analyze web and mobile applications (APK/IPA) to uncover hidden mechanisms. Disassemble code to understand its inner workings, with a focus on cryptographic functions that secure our systems. 

  • Overcoming Anti‑Bot Mechanisms: 

    Evaluate and bypass advanced security protocols such as TLS, HTTP/2, HTTP/3, WebSockets, DoH, and session management. Identify vulnerabilities to enhance our data extraction methods. 

  • Developing Custom Tools: 

    Build robust Python scripts and frameworks that automate bypass procedures and dynamically adjust security measures whether by modifying TLS stacks or patching JavaScript on the fly. 

  • Implementing Stealthy Scraping Techniques: 

    Engineer sophisticated methods such as br...