Senior Cyber Security Engineer (Reversing, Ethical Hacking, CTF & Antibot Engineering)

NielsenIQ
📍 es bòrdes, cataluña, Spain 💼 Full-time 🕒 Posted June 12, 2026

Job Description

At Digital Shelf by NIQ, we’re passionate about technological innovation and excellence in cybersecurity. Our cutting‑edge solutions enable us to scrape data for 12 billion products and manage over 20 billion data points. In a market where anti‑bot technologies represent a $10 B industry in constant evolution and consolidation, our dedicated teams tackle real‑world challenges with precision and creativity.

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, focusing 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 ...

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Job Details

  • Location es bòrdes, cataluña
  • Job Type Full-time
  • Category Ingeniería y tecnología
  • Posted Date June 12, 2026
  • Application Deadline July 22, 2026