Senior Cybersecurity Engineer (Ethical Hacking)

TL;DR

Senior Cybersecurity Engineer (Ethical Hacking): Analyzing web and mobile applications to bypass anti-bot mechanisms and develop stealthy data extraction tools with an accent on reverse engineering and network protocol analysis. Focus on dissecting binary and web code, implementing browser patching, and engineering sophisticated scraping techniques to overcome advanced security protocols.

Location: Madrid, Barcelona, Valladolid, or Portugal

Salary: EUR 38,000 - EUR 70,000 yearly

Company

hirify.global is the world’s leading consumer intelligence company, delivering comprehensive consumer buying behavior insights through advanced analytics and state-of-the-art platforms.

What you will do

• Analyze web and mobile applications (APK/IPA) via reverse engineering and decompilation to uncover hidden mechanisms.
• Evaluate and bypass advanced security protocols such as TLS, HTTP/2, HTTP/3, WebSockets, and DoH.
• Build robust Python scripts and frameworks to automate bypass procedures and modify TLS stacks.
• Engineer stealthy scraping methods, including 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 like IDA Pro, Ghidra, or custom solutions.
• Deep knowledge of network protocols including TLS, HTTP/2, WebSockets, and DoH.
• Advanced Python development skills for implementing complex and efficient technical solutions.
• Ability to dissect both binary and web code to uncover core functionalities.
• Commitment to upholding high ethical standards while pushing systems to their limits.

Culture & Benefits

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