Experteer Overview
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In this role you will drive security-focused reverse engineering and anti-bot research to strengthen data extraction systems. You’ll dissect applications to understand cryptographic and protocol-level behavior, while developing custom tooling to bypass defenses in ethical, controlled environments. You will collaborate with cross-functional teams to stay ahead of evolving security measures and continuously improve stealthy scraping approaches. This position offers the chance to impact the reliability and safety of automated data gathering at scale.
Compensaciones / Beneficios
• Analyze web and mobile apps (APK/IPA) to reveal inner mechanisms and cryptographic functions
• Evaluate and bypass anti-bot security protocols (TLS, HTTP/2, HTTP/3, WebSockets, DoH, session management)




• Develop Python scripts/frameworks to automate bypass procedures and adapt security measures
• Implement stealthy scraping techniques (browser patching, headless evasion, proxy tunneling, human-behavior emulation)
• Regularly test, disrupt, and improve tools to stay ahead of defenses
Responsabilidades
• Reverse Engineering expertise using IDA Pro, Ghidra, or custom solutions
• Deep knowledge of security-relevant xqbhyrx protocols (TLS, HTTP/2, WebSockets, DoH)
• Advanced Python development skills for robust, scalable solutions
• Independent problem-solving with ability to collaborate in a fast-paced team
• Ethical standards in security research and vulnerability handling
Requisitos principales
• Versátil working environment
• Volunteer time off
• LinkedIn Learning
• Employee-Assistance-Program (EAP)

📌 Senior Cybersecurity Engineer - Ethical Hacking (Reverse Engineering, Antibot) (Madrid)
🏢 NielsenIQ
📍 Madrid