Senior Cybersecurity Engineer (Ethical Hacking)

TL;DR

Senior Cybersecurity Engineer (Ethical Hacking): Developing and optimizing stealthy data extraction tools and bypassing advanced anti-bot mechanisms with an accent on reverse engineering and network protocol analysis. Focus on dissecting binary and web code, automating bypass procedures via Python, and ensuring discreet operation against evolving security defenses.

Location: Paris, France

Salary: EUR 55,300 - 70,000 yearly

Company

The world's leading consumer intelligence company delivering the most complete understanding of consumer buying behavior through advanced analytics.

What you will do

• Analyze web and mobile applications (APK/IPA) using reverse engineering to uncover hidden mechanisms and cryptographic functions.
• Bypass advanced security protocols including TLS, HTTP/2, HTTP/3, WebSockets, and DoH to enhance data extraction.
• Develop robust Python scripts and frameworks to automate bypass procedures and dynamically adjust security measures.
• Engineer stealthy scraping techniques using browser patching, headless browser evasion, and human-behavior emulation.
• Continuously test and improve tools to stay ahead of evolving anti-bot defenses.

Requirements

• Expertise in reverse engineering using tools such as IDA Pro, Ghidra, or custom solutions.
• Deep knowledge of web and network protocols (TLS, HTTP/2, WebSockets, DoH).
• Advanced Python development skills for implementing efficient solutions to complex challenges.
• Proven ability to dissect binary and web code to uncover core functionalities.
• Strong adherence to ethical standards in hacking and system testing.

Culture & Benefits

• Flexible working environment.
• Access to LinkedIn Learning for professional development.
• Volunteer time off to support social causes.
• Employee-Assistance-Program (EAP) for holistic wellbeing.