Remote position, only for professionals based in Argentina or Uruguay.

At Ryz Labs we are looking for a Security AI Engineer to design, build, and deploy AI-driven systems that protect one of our team's platforms, users, and data. You’ll sit at the intersection of machine learning, cybersecurity, and engineering—developing intelligent defenses against threats such as fraud, abuse, intrusion, and data leakage.

This role blends hands‑on ML development with real‑world security problem‑solving and close collaboration with security, infrastructure, and product teams.

Essential Responsibilities

• Design and implement AI/ML models to detect, prevent, and respond to security threats (e.g., fraud, abuse, anomalies, malware, insider risk).
• Build and maintain pipelines for data ingestion, feature engineering, model training, evaluation, and deployment.
• Apply techniques such as anomaly detection, graph analysis, NLP, and behavioral mo...