Penetration Tester

We are looking for a senior web penetration tester to join our team.

You need to be independent, attentive to details, organized, eager to learn new things, and like to research and solve problems

What you’ll do:

• Performing highly technical penetration testing for the biggest companies in the world
• Participate in Red Team projects, find undocumented API, reverse applications, bypass security checks
• Take part in developing internal security tools

• Minimum of 4 years of experience in web penetration testing or bug hunting
• Strong hands-on knowledge of tools used for penetration testing and network analysis
• Experience with application security analysis including reverse engineering and API penetration testing
• Experience with static analysis of Android and Windows application using tools such as JADX and IDA Pro
• Experience with dynamic analysis tools (x64DBG, Frida, etc.)

Nice to have:

• OSCP/OSWE/OSEP/eWPTXv2/CRTP certification
• Experience writing scripts and tools using Python

ActiveFence is the leading provider of security and safety solutions for online experiences, safeguarding more than 3 billion users, top foundation models, and the world’s largest enterprises and tech platforms every day. As a trusted ally to major technology firms and Fortune 500 brands that build user-generated and GenAI products, ActiveFence empowers security, AI, and policy teams with low-latency Real-Time Guardrails and a continuous Red Teaming program that pressure-tests systems with adversarial prompts and emerging threat techniques. Powered by deep threat intelligence, unmatched harmful-content detection, and coverage of 117+ languages, ActiveFence enables organizations to deliver engaging and trustworthy experiences at global scale while operating safely and responsibly across all threat landscapes.