Job Description

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.
- Implementing Stealthy Scraping Techniques:
Engineer sophisticated methods such as browser patching, headless browser evasion, proxy tunneling, and human‑behavior emulation to keep our operations discreet.
- Continuous Innovation:
Regularly test, disrupt, and improve our tools to stay ahead of ever‑evolving defenses.

Qualifications

Your Profile
- Passionate Code Warrior:




You thrive on pushing systems to their limits while upholding the highest ethical standards. Reverse Engineering isn’t just a skill it’s your creative playground.
- Reverse Engineering Expertise:
Whether using tools like IDA Pro, Ghidra, or your own custom-built solutions, you excel at dissecting both binary and web code to uncover core functionalities.
- Web & Network Protocols Savant:
You possess deep expertise in pr0t0c0ls such as TLS, HTTP/2, WebSockets, DoH, and more, leveraging that knowledge to find innovative solutions.
- Advanced Python Developer:
Your coding abilities go far beyond basic scripting. We're looking for a coder someone who can design and implement robust, efficient solutions for complex challenges.
- Collaborative Innovator:
While you excel as an independent problem-solver, you also thrive in a dynamic team environment that values open communication and continuous learning.

Our Benefits
- Flexibl

📌 Senior Cybersecurity Engineer (Madrid)
🏢 Nabla
📍 Madrid