Senior Machine Learning Engineer, Payments
Core
Architect and own end-to-end AI/ML solutions for Airbnb's global payments ecosystem, focusing on fraud prevention, payment optimization, and hyperpersonalized checkout flows.
Role type
Senior IC machine learning engineer (payments)
Builds
Realtime fraud defense systems, LLM-powered workflows, and hyperpersonalized checkout services for guests and hosts.
Domain
Fintech / Payments / AI
Deliverable
production ML models
Required skills
Python, Java, PyTorch, TensorFlow, MLOps, scalable inference stacks, vector search, large-scale data streaming (Spark, Ray, Kafka), prompt engineering, fine-tuning (LoRA, RLHF), hallucination mitigation, drift monitoring, automated retraining.
Preferred skills
AI/ML applications in the Payments domain.
Technologies
PyTorch, TensorFlow, Kubeflow, Airflow, Spark, Ray, Kafka
Responsibilities
Design, train, deploy, and operate large-scale AI applications for batch and streaming workloads; collaborate with product and engineering teams to refine AI requirements; mentor teammates and foster an experimentation-driven environment.
Seniority
Senior, hands-on IC
