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

Nielseniq
Madrid, Spain
14 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours

Tech stack

Cyber Security Data Mining Python (Programming Language) Reverse Engineering Session Management WebSocket Scripting IDA Pro

Job description

Experteer Overview ¿Es este el puesto que está buscando?Si es así, siga leyendo para obtener más detalles y no olvide enviar su solicitud hoy mismo.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 defensesResponsabilidades* 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 handlingRequisitos principales* Flexible working environment* Volunteer time off* LinkedIn Learning* Employee-Assistance-Program (EAP)

Requirements

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 defensesResponsabilidades* 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 handlingRequisitos principales* Flexible working environment* Volunteer time off* LinkedIn Learning* Employee-Assistance-Program (EAP)

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