Data Scientist III, Analytics (B2B Supply Optimisation) at Expedia Group — London, GBR | Base Career

At Expedia Group, we help travelers explore the world, one journey at a time.

As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.

Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy.

Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work.

Join us and build for travelers everywhere.

Expedia B2B is the B2B arm of Expedia Group.

We bring Expedia Group's innovative technology and distribution solutions to partners across the world.

These businesses include global financial institutions, corporate managed travel, offline travel agents, global travel suppliers (like major airlines) and many more.

Our Analytics team is at the heart of supply optimisation strategy, turning complex data into meaningful decisions that improve outcomes for our global B2B partners.

As a Data Scientist III,Analytics, you will operate largely independently, applying and enhancing analytical best practices to solve sophisticated business problems.

You will manage analytical workstreams, mentor junior colleagues, and engage regularly with stakeholders up to VP level.

In this role, you will:

Apply advanced statistical and machine learning techniques to supply optimisation challenges, delivering data-driven insights and recommendations that create measurable business impact.

Extract, structure, and transform data from multiple sources independently to build datasets suited for modelling and in-depth analysis.

Design and execute measurement frameworks — including A/B testing, causal impact analysis, and multivariate methods — selecting the appropriate technique based on the business question and clearly communicating trade-offs.

Build, evaluate, and iterate on statistical models (e.g. regression, clustering, classification), correctly interpreting outputs and translating findings into actionable recommendations.

Develop clear, audience-appropriate data visualisations and narratives that communicate insights to both technical and non-technical stakeholders.

PhD, Master's, or Bachelor's degree in Mathematics, Statistics, Computer Science, or a related technical field; or equivalent related professional experience

4–6 years of experience in a data science or analytics role (with a relevant degree), or 7+ years of comparable professional experience in a data analytics role

Demonstrable experience delivering data-driven insights that drove meaningful change or performance improvement across multiple projects using varied analytical techniques

Advanced proficiency in SQL, Python, or R for data extraction, transformation, and visualisation at scale

Proficient understanding of statistical concepts including regression, ANOVA, probability, and frequentist vs.

Bayesian approaches, with the ability to distinguish statistically significant results from exploratory analysis

Experience applying a range of modelling techniques (e.g. linear and logistic regression, clustering) and iterating on models to improve accuracy and business relevance

Proficient communication skills, with demonstrated ability to present clear data stories and insights to audiences of varying technical levels

Experience in supply optimisation, pricing, marketplace analytics, or a related domain

Familiarity with big data querying tools such as Presto, Hive, BigQuery, or Hadoop

Exposure to Bayesian methods, causal inference, or multi-armed bandit approaches

Experience collaborating with Machine Learning Data Science teams to validate and scale models for business impact

Familiarity with inclusive data visualisation design principles, including accessible colour selection and charting best practices

Accommodation requests

Expedia Group is committed to providing an inclusive and accessible recruiting experience.

If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation.

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.

Important notice

Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams.

Never share sensitive personal information unless you are confident of the recipient.

Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact.

Our email domain is @expediagroup.com.

The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.

Data Scientist III, Analytics (B2B Supply Optimisation)

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