NielsenIQ
Cybersecurity Engineer- Ethical Hacking (CTF, Reverse Engineering, Antibot)
Remote Cybersecurity Engineering role with clear candidate location fit.
PostedJul 2, 2026
Eligible countries1 accepted country
Seniority signalJunior
Work settingRemote
Accepted candidate locations
Spain
Role overview
Cybersecurity Engineer- Ethical Hacking (CTF, Reverse Engineering, Antibot)
Requirements and responsibilities
Readable role content extracted into sections for faster review.
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.
What You’ll Do
- 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.
What You’ll Do
- 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.
What You’ll Do
- 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.
What You’ll Do
- Continuous Innovation: Regularly test, disrupt, and improve our tools to stay ahead of ever‑evolving defenses.
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.
Your Profile
- 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.
Your Profile
- 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.
Your Profile
- 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.
Your Profile
- 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
- Flexible working environment
- Volunteer time off
- LinkedIn Learning
- Employee-Assistance-Program (EAP)
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