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Senior Cybersecurity Engineer - Ethical Hacking

Company

NielsenIQ

Location

valladolid, kingdom of spain

Posted

July 19, 2026

Position Overview

Job Description
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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, and 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 to identify vulnerabilities and 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 a...

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