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About the Role

We're looking for a senior-level individual contributor to provide valuable analytics and decision support to drive Expedia's Localization product within Content Product Analytics. In this role, you will partner with cross-functional teams to contribute to many aspects of product development, including understanding user behavior, A/B experimentation, and problem-solving using statistics and causal inference techniques.

Responsibilities

Develop and deploy advanced machine learning models to solve complex business challenges and drive data-informed decision making.
Design and lead complex A/B and causal experiments to measure the impact of localization changes on traveler engagement and booking conversion; own the experimentation framework for the Localization product area.
Translate complex multilingual data insights into compelling narratives for product, engineering, and executive audiences; influence roadmap prioritization through data.
Write advanced SQL and Python to build scalable, automated analytics pipelines and self-serve dashboards.
Collaborate with cross-functional teams to architect and implement end-to-end data pipelines and intelligent systems that operate at production scale.
Lead and mentor data scientists and engineers, fostering technical excellence and a culture of continuous learning.
Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, ensuring models are reliable, ethical, and scalable.
Co‑own with Product and business leaders the metric frameworks and decision workflows for your area.

Requirements

Bachelor’s degree or higher in Statistics, Economics, Computer Science, Data Science, or a related quantitative field; or equivalent related professional experience.
8+ years of experience in data science, applied science, or analytics (6+ years with MS/PhD) in an industry setting.
Proven expert in statistical modeling and experiment design — including A/B testing, quasi-experiments, and causal inference methods (e.g., Pre/Post, causal impact, multivariate, multi-armed bandit).
Hands-on experience building ML/NLP models at production scale (e.g., text classification, semantic similarity, quality scoring).
Advanced proficiency in SQL and Python, with ability to write clean, production-quality code.
Experience working with large-scale, unstructured text data and LLMs — including prompt design, evaluation (e.g., golden sets, LLM-as-judge), and RAG patterns.
Demonstrated ability to mentor junior data scientists, balance speed, risk, and analytical rigor.
Experience with advanced visualization techniques / best practices, and building scalable dashboards.
Operate independently, managed cross-function projects and able to influence product and business strategy through data, and storytelling skills.

Skills

Machine learning
A/B testing
Causal inference
SQL
Python
Data pipelines
Intelligent systems
AI/ML
NLP
Text classification
Semantic similarity
Quality scoring
Large-scale data
Unstructured text data
LLMs
Prompt design
RAG patterns
Data visualization
Dashboarding
Storytelling

Location

London

Work Type

Hybrid

Experience Level

Senior
8+ years
6+ years with MS/PhD

Education Level

Bachelor's degree or higher in Statistics, Economics, Computer Science, Data Science, or a related quantitative field; or equivalent related professional experience.

About the Company

Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.

Equal Opportunity

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.