Principal Machine Learning Scientist (Experiences)
Core
Technical anchor for the core discovery engine, leading ML strategy and execution for search, retrieval, ranking, and recommendation systems to power user travel itinerary discovery.
Role type
Principal Machine Learning Scientist (Search & Recommendation)
Builds
Production-grade search, retrieval, and ranking pipelines for travel itineraries
Domain
Travel Technology / E-commerce
Deliverable
production ML models
Required skills
Multi-Task Learning (MTL), Multi-gate Mixture-of-Experts (MMoE), Sequential Recommendation, Representation Learning, Graph Neural Networks (GNNs), Distributed Computing (Spark, Ray), Deep Learning Frameworks (TensorFlow, Pytorch)
Preferred skills
Agentic AI, Generative AI, LLM-driven reasoning, Experience in Two-Sided Marketplaces
Technologies
Python, TensorFlow, PyTorch, Spark, Ray, AWS, GCP
Responsibilities
Drive technical roadmap for Search, Retrieval, Ranking, and Recommendation systems; Design, prototype, and scale next-generation recommendation and ranking models; Oversee deployment of low-latency, high-throughput retrieval and ranking pipelines; Mentor and coach senior and mid-level ML scientists
Seniority
Principal, hands-on IC with strategy & mentorship