Expedia Group · 4 months ago
Senior Machine Learning Scientist
USA - California - San Jose
Full-time
Onsite
Senior Level, Lead/Staff
$187K/yr - $262K/yr
8+ years expExpedia Group is a leading company in the travel industry, dedicated to enhancing customer experiences through innovative technology. The Senior Machine Learning Scientist will focus on building and optimizing recommendation models for CRM use cases, applying deep learning techniques, and collaborating with ML Engineers to deploy models at scale.
CommunitiesInternetReservationsTask ManagementTechnical SupportTicketingTourismTransportationTravel
Responsibilities
Build and optimize recommendation models for CRM use cases, including personalized email campaigns and retention strategies
Apply deep learning and causal inference to sparse, noisy, and dynamic customer interaction data
Design and analyze A/B experiments to validate model performance and drive product decisions
Collaborate with ML Engineers to deploy models at scale, ensuring robustness and reliability in production environments
Translate business objectives into measurable machine learning goals aligned with customer engagement outcomes
Stay current with advancements in recommendation research, deep learning architectures, and personalization systems
Mentor junior scientists and engineers, sharing best practices in ML modeling, experimentation, and deployment
Qualification
Required
PhD, MS, or BS in Computer Science, Machine Learning, Statistics, Engineering, or a related field; or equivalent professional experience
8+ years of related industry experience
Experience building production-grade recommendation or personalization systems
Strong understanding of collaborative filtering, deep learning for recommendations, reinforcement learning, and causal inference
Proficiency in Python and ML frameworks such as TensorFlow or PyTorch
Experience with distributed systems like Apache Spark
Familiarity with A/B testing and experimentation methodologies
Ability to work with large-scale, real-world data with attention to bias, fairness, and privacy
Excellent communication skills for both technical and non-technical audiences
Preferred
Experience in the travel or e-commerce industry
Familiarity with cloud platforms (AWS, GCP, Azure)
Publications in top-tier ML conferences or journals
Contributions to open-source ML projects
Experience in personalization systems or CRM-focused ML applications
Experience taking models from prototype to production in collaboration with Machine Learning Engineering teams
Benefits
Medical/dental/vision
Paid time off
Employee Assistance Program
Wellness & travel reimbursement
Travel discounts
International Airlines Travel Agent (IATAN) membership
Company
Expedia Group
At Expedia Group (NASDAQ: EXPE), we believe travel is a force for good – it opens minds, builds connections, and bridges divides.
10001+ employees
H1B Sponsorship
Expedia Group has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (519)
2024 (410)
2023 (382)
2022 (629)
2021 (483)
2020 (366)
Funding
Current Stage
Public CompanyTotal Funding
$4.25BKey Investors
TCV
2025-02-21Post Ipo Debt· $985M
2020-04-23Post Ipo Equity· $1.2B
2020-04-23Post Ipo Debt· $2B
Leadership Team
Ariane Gorin
Chief Executive Officer
Ramana Thumu
Chief Technology Officer
Recent News
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2026-01-07
2026-01-07
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