# Machine Learning Scientist III - Search and Personalization

Hiring organization: [Expedia Group](https://career.thegoodapps.co/organizations/expedia-group)

Canonical page: https://career.thegoodapps.co/jobs/3f8da5c8-826e-4c9e-8118-2a31360272c5

Listed on Expedia Group's own careers site. Applications go to them directly.

- Seniority: Senior
- Salary: 137500 – 192500 USD per year

## Summary

A Machine Learning Scientist role at Expedia building AI solutions for travel search, ranking, and recommendations across flights, hotels, cars, and activities. Suits experienced ML practitioners who can own end-to-end model development, from problem definition through production deployment and monitoring.

_Our summary, not Expedia Group's wording._

## Skills named

A/B Testing, Data Pipelines, Machine Learning, Natural Language Processing, Python, Statistical Modeling

## Required

- Bachelor's degree in Computer Science or related technical field, or equivalent professional experience
- 5+ years of professional experience in machine learning or statistical modeling
- End-to-end model development experience from data exploration through evaluation and deployment
- Proficiency in Python and ML frameworks/libraries
- Ability to translate business problems into ML tasks and own solutions across product areas

## Nice to have

- Graduate degree in quantitative field with ML, optimization, or statistical modeling focus
- Production experience with modern ranking and recommendation modeling approaches
- Track record optimizing ML systems in production including monitoring and governance
- Experience designing ML architectures at scale with feature stores and low-latency APIs
- Familiarity with natural language search techniques and agentic workflows

Apply on Expedia Group's site: https://expedia.wd108.myworkdayjobs.com/en-US/search/job/Washington---Seattle-Campus/Machine-Learning-Scientist-III---Whole-Trip-AI_R-108184-1