人机对抗工程师（J107078）
Core
Build and maintain human-machine recognition and verification systems for business units like document libraries and cloud storage, covering CAPTCHAs, behavioral verification, and frictionless verification.
Role type
Senior IC human-machine recognition engineer (anti-bot)
Builds
Human-machine verification products and anti-bot strategies
Domain
Internet security + anti-fraud
Deliverable
production ML models
Required skills
human-machine recognition, anti-scraping, CAPTCHA design and countermeasures, device fingerprinting, behavioral analysis, risk profiling, automated script detection, protocol simulation defense, fraud detection
Preferred skills
experience with frictionless verification, account/device/traffic fraud mitigation, A/B testing for precision/recall balance
Technologies
device fingerprinting, behavioral biometrics, protocol analysis
Responsibilities
design and implement human-machine verification across login, registration, and activity scenarios; detect and counter automated scripts and bot traffic; optimize verification accuracy and user experience; track and counter emerging AI-based cracking and decoding techniques
