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

NielsenIQ

barcelona, barcelona, Spain Full-time July 27, 2026
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Vacancy Description

Experteer Overview
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In this role you will push security-focused systems to their limits within NIQ's anti-bot data ecosystem. You will dissect web and mobile applications, uncover cryptographic and protocol-level mechanisms, and develop automated tools to enhance data extraction while upholding ethical standards. You will collaborate with cross-functional teams to stay ahead of evolving defenses and contribute to robust, discreet scraping capabilities. You will shape innovative techniques and tooling that empower scalable insight generation in a fast-moving market. This is a hands-on, impact-driven opportunity for a skilled reverse engineer who thrives on complexity and responsible exploration.
Compensaciones / Beneficios
• Analyze apps (web/mobile) to reveal inner workings, focusing on cryptographic functions
• Evaluate and bypass security pr...

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