Senior Applied Scientist - Behavior AI
DataDog
Paris
Workplace: HybridFull timeFunction: Research & Scientific (R&D)Education: phdSkills: ["Communication","Problem-solving","Technical judgment","Performance focus","Collaboration"]Build and optimize custom mid-size behavior AI models for high-throughput stream anomaly detection. Design model architecture, train at scale, and apply mathematical reformulations to meet GPU, latency, and cost-per-record constraints in production. Create training data pipelines, integrate models into live traffic with engineering, and deliver interpretability and an agentic layer so security teams can trust and act on outputs. Participate in monitoring and on-call.

