Cyber Security Engineer (CTF, Reverse Engineering, Anti-bot & Ethical Hacker experience) job opportunity at NielsenIQ.

Home Jobs In Spain Tag: Reverse Engineering, Anti-bot & Ethical Hacker experience) Cyber Security Engineer (CTF, Reverse Engineering, Anti-bot & Ethical Hacker experience) position at NielsenIQ


Date2026-03-18T20:05:16.569Z bot
NielsenIQ Cyber Security Engineer (CTF, Reverse Engineering, Anti-bot & Ethical Hacker experience)
Experience: General
Pattern: Full-time
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Reverse Engineering, Anti-bot & Ethical Hacker experience)

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degreeGeneral
loacation ES-Barcelona_RambadeCatalonya, Spain
loacation ES-Barcelona_R..........Spain
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Job DescriptionWhat 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 browser patching, headless browser evasion, proxy tunneling, and human‑behavior emulation—to keep our operations discreet. Continuous Innovation:  Regularly test, disrupt, and improve our tools to stay ahead of ever‑evolving defenses. 

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