Senior ML Scientist — Lodging Search & Ranking

Expedia Group Media Solutions; Greater London; On-site; GBP 90,000 - 125,000; Full time

Job summary

Expedia Group is a global travel company that connects travelers with technology and trusted partners. The Machine Learning Scientist II role sits on the Lodging Search Ranking AI team within the Expedia Product & Technology division.

You will build and optimize ranking models and AI‑driven features for lodging search across our brands and platforms. This applied scientist role deploys models to production, partners with analytics, product, and engineering, and drives data‑driven improvements at

Qualifications

• BS in computer science or related field or equivalent experience.
• 2+ years of professional ML experience.
• Ability to own ML solutions from data prep to deployment.

Responsibilities

• Develop, implement, and optimize ML models powering data‑driven features.
• Design offline experiments and A/B tests to measure impact.
• Collaborate with engineers, product, and analytics to translate problems into ML solutions.
• Ensure models are robust, scalable, and explainable.

Skills

Python

ML frameworks

Experiment design

Data modeling

Collaboration

Education

Bachelor's in CS or related

Advanced degree preferred

Tools

ML frameworks

A/B testing tools

Data processing

Job description

Expedia Group is a global travel company that connects travelers with technology and trusted partners. The Machine Learning Scientist II role sits on the Lodging Search Ranking AI team within the Expedia Product & Technology division.

You will build and optimize ranking models and AI‑driven features for lodging search across our brands and platforms. This applied scientist role deploys models to production, partners with analytics, product, and engineering, and drives data‑driven improvements at