Senior Data Scientist, Analytics — Supply Optimization

Expedia Group; Greater London; On-site; GBP 85,000 - 120,000; Full time

Job summary

Expedia Group is seeking a Data Scientist III, Analytics, in London to apply advanced statistics and ML to supply optimisation challenges. You will structure data, design experiments, and build scalable models and dashboards for leaders up to VP level.

You will mentor junior colleagues, engage with stakeholders across the business, and deliver data-driven insights that influence strategic decisions in a fast-paced travel ecosystem.

Qualifications

• PhD, Master’s, or Bachelor’s degree in Mathematics, Statistics, Computer Science, or related field, or equivalent professional experience.
• 4–6 years in data science/analytics, or 7+ years in data analytics.
• Demonstrable experience delivering data-driven insights across multiple projects.
• Advanced proficiency in SQL, Python, or R for data extraction, transformation, and visualization.

Responsibilities

• Apply advanced statistical and machine learning techniques to supply optimisation challenges, delivering data-driven insights and recommendations with measurable impact.
• Extract, structure, and transform data from multiple sources to build datasets for modelling and analysis.
• Design and execute measurement frameworks including A/B testing, causal impact analysis, and multivariate methods.
• Build, evaluate, and iterate on statistical models (e.g. regression, clustering, classification) and translate findings into actionable recommendations.
• Develop clear, audience-appropriate data visualisations and narratives for technical and non-technical stakeholders.
• Lead small analytical workstreams end-to-end, refining requirements and scope with stakeholders.
• Automate repeated measurement and reporting tasks and build scalable dashboards for self-serve analytics across the business.
• Produce high-quality project artefacts — technical docs, presentations, and executive summaries.

Skills

SQL

Python

R

Data visualization

Education

Bachelor's degree in Mathematics/Statistics/Computer Science or related field

PhD or Master’s preferred

Tools

Presto

Hive

BigQuery

Hadoop

Job description

Expedia Group is seeking a Data Scientist III, Analytics, in London to apply advanced statistics and ML to supply optimisation challenges. You will structure data, design experiments, and build scalable models and dashboards for leaders up to VP level.

You will mentor junior colleagues, engage with stakeholders across the business, and deliver data-driven insights that influence strategic decisions in a fast-paced travel ecosystem.