Researcher Web Security, Detection
Core
Research web security adversaries, reverse-engineer bot tools and fraud kits, and develop automated detection systems to protect the Internet.
Role type
Researcher, Web Security & Detection
Builds
Automated detection systems, heuristics, signatures, and tooling for identifying malicious activity at scale.
Domain
Cybersecurity, Web Security, Bot Mitigation
Deliverable
production ML models | product features
Required skills
Reverse engineering, adversarial mindset, bot and automation tooling knowledge, HTTP/TLS/browser internals, fingerprinting, CAPTCHA evasion techniques, Python/JavaScript scripting, heuristic development
Preferred skills
Experience with fraud kits, marketplaces, and emerging bot techniques, ability to design stealthy mitigations
Technologies
Python, JavaScript, HTTP, TLS, CAPTCHAs
Responsibilities
Reverse-engineer bot tools and automation frameworks to understand adversary evolution; probe internal detections to close gaps; track the bot/fraud ecosystem and convert intelligence into detection signals; develop heuristics and signatures with Data Scientists; design mitigations that neutralize attackers without burning signals; automate manual analyst work into scalable detection.
Seniority
Mid-Senior, hands-on IC
