Senior Economist - Advertising Technology

Expedia Group brands power global travel for everyone everywhere. We design cutting-edge tech to make travel smoother and more memorable and we create groundbreaking solutions for our partners. Our diverse vibrant and welcoming community is essential in driving our success.

Why Join Us?

To shape the future of travel people must come first. Guided by our Values and Leadership Agreements we foster an open culture where everyone belongs differences are celebrated and know that when one of us wins we all win.

We provide a full benefits package including exciting travel perks generous time-off parental leave a flexible work model (with some pretty cool offices) and career development resources all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Senior Applied Economist - Advertising Technology

Introduction to the Team
Expedia Technology teams partner with our Product teams to create innovative products services and tools to deliver high-quality experiences for travelers partners and our employees. A singular technology platform powered by data and machine learning provides secure differentiated and personalized experiences that drive loyalty and traveler satisfaction.
We are seeking an Economist to join our high-performing Advertising Technology team to drive rigorous data-driven decisions across auction design ad relevance incrementality measurement and marketplace optimization. This role sits at the intersection of economic theory applied statistics econometric modeling experimentation and large-scale ad systems influencing how ads are ranked priced and evaluated in production.

You will work closely with Data Science Machine Learning Engineering Product and Operations to translate statistically and economically sound analysis into scalable marketplace improvements.
In this role you will:

• Analyze and improve ad auction mechanisms (pricing bidding pacing) and model advertiser behavior to balance revenue ROI relevance and user experience

• Define and evaluate ad relevance signals using statistical and econometric methods to ensure incentive-aligned metrics

• Design and analyze incrementality and causal experiments (geo tests holdouts switchbacks) to measure true lift and avoid cannibalization

• Build and validate econometric and causal models to understand marketplace dynamics pricing and long-term health

• Conduct advanced data analysis to inform product strategy policy decisions and marketplace optimization

• Collaborate cross-functionally with product engineering and ML teams to drive experimentation and data-driven decisions at scale

• Communicate clear actionable insights to technical and non-technical stakeholders

Minimum Qualifications

• Master’s or PhD in Economics Applied Economics Econometrics Statistics Operations Research or a related quantitative field

• Solid foundation in microeconomic theory and game theory with the ability to model strategic behavior

• Strong background in applied statistics and econometric modeling

• Proficiency in Python or R with strong SQL skills to work with large-scale noisy real-world data

• Hands-on experience with statistical modeling (linear GLM panel data) causal inference techniques hypothesis testing and uncertainty quantification

• Strong analytical thinking and a passion for empirical data-driven research to explore and answer complex questions

• Familiarity with AI-driven systems tools or workflows and applying AI/ML concepts to real world products.

• Excellent written and verbal communication skills with the ability to clearly convey complex quantitative analysis methodologies and insights to diverse stakeholders

Preferred Qualifications

• Experience in advertising auctions ranking or marketplace platforms

• Experience with incrementality measurement in production environments

• Track record of delivering actionable insights from experimental design causal inference or large-scale data analysis.

• Demonstrated leadership in designing implementing and scaling AI/ML‑enabled solutions that improve business outcomes.

• Expertise in integrating generative AI tools to enhance economic modeling scenario analysis or forecasting applications.

• Background in e-commerce travel or large-scale marketplaces

Starting pay for this role will vary based on multiple factors including location available budget and an individual’s knowledge skills and experience. Pay ranges may be modified in the future.

Expedia Group is proud to offer a wide range of benefits to support employees and their families including medical/dental/vision paid time off and an Employee Assistance Program. To fuel each employee’s passion for travel we offer a wellness & travel reimbursement travel discounts and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits.

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability or other physical or mental health conditions please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes TIME Disability:IN and others.

Expedia Group's family of brands includes: Brand Expedia® Hotels.com® Expedia® Partner Solutions Vrbo® trivago® Orbitz® Travelocity® Hotwire® Wotif® ebookers® CheapTickets® Expedia Group™ Media Solutions Expedia Local Expert® CarRentals.com™ and Expedia Cruises™. © 2024 Expedia Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.

What We Do

Expedia Group powers travel for everyone everywhere through our global platform. Driven by the core belief that travel is a force for good we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success while facilitating memorable experiences for travelers. Expedia Group's family of brands includes: Brand Expedia® Hotels.com® Expedia® Partner Solutions Vrbo® trivago® Orbitz® Travelocity® Hotwire® Wotif® ebookers® CheapTickets® Expedia Group™ Media Solutions Expedia Local Expert® CarRentals.com™ and Expedia Cruises™.

Why Work With Us

As travelers and technologists we are passionate about making travel more seamless accessible and memorable. We embrace different perspectives celebrate new ideas and empower every Expedian to drive meaningful change. The experiences we create bridge divides and broaden horizons – helping create unforgettable memories through travel.

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