Senior Economist (Marketplace)

TL;DR

Senior Economist (Marketplace): Driving causal inference and marketplace optimization to impact transaction value on a global travel platform with an accent on measuring incrementality and designing quasi-experimental methods. Focus on building scalable econometric models, integrating causal inference into production ML systems, and shaping executive product strategy.

Location: Seattle, WA, United States (Flexible work model)

Salary: $173,000 - $242,500 (Potential up to $277,000 based on performance)

Company

hirify.global is a global travel platform powering various brands such as Hotels.com, Vrbo, and Trivago to make travel smoother and more memorable.

What you will do

• Build scalable econometric models (panel data, DiD, RDD, IV) to measure elasticity and customer lifetime value.
• Establish the technical roadmap for long-term impact measurement on customer retention and marketplace equilibrium.
• Design causal measurement frameworks, including geo experiments and synthetic controls, to isolate the effects of product changes.
• Partner with ML teams to integrate causal inference into ranking algorithms, pricing optimization, and recommendation engines.
• Translate complex econometric findings into clear executive narratives to drive multi-million-dollar product decisions.
• Mentor data scientists and economists to elevate the rigor of causal reasoning and experimental design across the organization.

Requirements

• PhD in Economics, Applied Economics, Econometrics, Statistics, or a related quantitative field.
• 8+ years of relevant professional experience.
• Deep expertise in the causal inference toolkit (IV, DiD, RDD, synthetic controls, doubleML, causal forests).
• Proficiency in Python or R with strong SQL skills for querying and processing large-scale data.
• Proven track record of influencing product strategy through rigorous quantitative analysis.
• Must be authorized to work in the US (Employer participates in E-Verify).

Nice to have

• Publications or working papers in applied economics or econometrics.
• Experience with marketplace economics, network effects, or general equilibrium modeling.
• Experience integrating causal models into production ML pipelines.
• Familiarity with modern AI/ML workflows and LLM-assisted analysis tools.
• Background in travel, e-commerce, or large-scale consumer marketplaces.

Culture & Benefits

• Comprehensive benefits including medical, dental, vision, and an Employee Assistance Program.
• Generous time-off, parental leave, and flexible work arrangements.
• Wellness and travel reimbursement, travel discounts, and IATAN membership.
• Career development resources and an inclusive, diverse work environment.