Antibot Engineer

NielsenIQ · Madrid, Barcelona, Valladolid

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Company: NielsenIQ
Location: Madrid, Barcelona, Valladolid
Employment type: Full-time
Posted: June 5, 2026

About this job

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, 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.…

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Engineer salaries in Spain

Based on 58 postings that disclose pay.

Median salarygross / year

€66,000

€41,000Typical range€92,000

Estimated from advertised pay across our sources — indicative gross annual figures, not an offer.

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Engineer skills

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