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, and 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 to identify vulnerabilities and 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.

Your Profile
- Passionate Code Warrior:



Thrive on pushing systems to their limits while upholding the highest ethical standards; reverse engineering is your creative playground.
- Reverse Engineering Expertise: Excel at dissecting both binary and web code using tools like IDA Pro, Ghidra, or custom‑built solutions to uncover core functionalities.
- Web & Network Protocols Savant: Possess deep expertise in protocols such as TLS, HTTP/2, WebSockets, DoH, and more, leveraging that knowledge to find innovative solutions.
- Advanced Python Developer: Design and implement robust, efficient solutions for complex challenges, extending beyond basic scripting.
- Collaborative Innovator: Excel as an independent problem‑solver while thriving in a dynamic team environment that values open communication and continuous learning.

Our Benefits
- Adaptable working environment
- Volunteer time off
- LinkedIn Learning
- Employee Assistance Program (EAP)

Our commitment to Diversity, Equity, an

📌 Cybersecurity Engineer (Valladolid)
🏢 NielsenIQ
📍 Valladolid