✦ Luna Orbit — AI & Machine Learning

Machine Learning Scientist III - Multi-Product AI

at Expedia Group

📍 2 Locations Unknown 💰 $137K – $192K USD / year Posted March 22, 2026
Salary $137K – $192K USD / year
Type Full-Time
Experience mid
Exp. Years 5+ years
Education Bachelor's in Computer Science or related field
Category AI & Machine Learning

Expedia Group is seeking a Machine Learning Scientist III to develop and deploy advanced AI models across multiple product domains, focusing on search ranking, recommendations, and personalization to enhance travel experiences.

  • Design and implement ML pipelines
  • Develop scalable data pipelines
  • Collaborate with product teams
  • Use A/B tests for evaluation
  • Maintain model performance

The role involves designing end-to-end ML pipelines, maintaining scalable data infrastructure, and collaborating with cross-functional teams using Python, ML frameworks, and evaluation frameworks to deliver AI solutions.

The ideal candidate is a mid-level AI/ML professional with 5+ years of experience in developing scalable AI solutions, proficient in Python and ML frameworks, with a strong background in recommendation systems, search ranking, and data pipelines.

PythonML frameworks and librarieslarge-scale datasetsdata processing technologies
GenAIrecommendation systemssearch rankingprice forecastingnext-best action modeling
PythonML frameworksdata pipelinesA/B testing frameworks
PythonML frameworksdata pipelinesmodel monitoringA/B testingrecommendation systemssearch rankinglarge-scale datasets
PythonML frameworks and librariesModel developmentData pipelinesModel monitoringA/B testingoffline/online evaluation frameworks
collaborationcommunicationproblem-solvingdecision makingteamwork
Industry SaaS, Travel & Hospitality
Job Function Developing and deploying machine learning models for travel-related AI solutions
Role Subtype Data Scientist
Tech Domains Python, ML frameworks, Data pipelines
machine learningML frameworksPythondata pipelinesmodel monitoringA/B testingrecommendation systemssearch rankingprice forecastingAI solutionsGenAIrecommendationssearchpersonalizationscalable data pipelinesoffline evaluationonline evaluationbusiness problemsML projectsdata-driven insightsrecommendation algorithmsAI modelsmulti-product AIlarge-scale datasets

Lack of 5+ years experience, No proficiency in Python or ML frameworks, No experience with large-scale datasets, No background in recommendation or search systems

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