Machine Learning Scientist III - Package Pricing

Expedia Group; Seattle (WA); On-site; USD 138,000 - 193,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Paid time off

Travel discounts

Job summary

Expedia Group is seeking a Machine Learning Scientist III to design, build, and optimize ML models powering our pricing and demand estimation systems. You will own end-to-end model development, from problem framing to production deployment, collaborating with ML scientists, data scientists, engineers, and product managers to deliver measurable business impact.

You will contribute to robust data pipelines, feature engineering, and model-serving APIs while applying AI/ML concepts to real-world

Qualifications

• Bachelor’s degree in Computer Science, Statistics, Mathematics, or related field or equivalent practical experience.
• 5+ years in ML Scientist or similar role with end-to-end model development and deployment.
• Proficiency in Python and data processing frameworks; experience with model training, evaluation, and production deployment.

Responsibilities

• Design, build, and improve ML models and systems powering Expedia Group products with measurable business impact.
• Lead end-to-end model development: problem formulation, data exploration, feature engineering, training, evaluation, deployment.
• Develop data pipelines and data quality checks for reliable input signals and experimentation.

Skills

Python

Data processing frameworks

Model training libraries

Model evaluation techniques

Production ML components

Education

Bachelor’s degree

Master’s or PhD preferred

Tools

APIs

ML libraries

Data pipelines

Job description

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.Introduction to the teamOur Technology Team partners with teams across Expedia Group 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.As part of the Machine Learning Science organization at Expedia Group, you'll help build a scalable, intelligent pricing system that directly shapes how we balance volume and profitability across multiple lines of business. The decisions this system drives influence billions of dollars in revenue, and the work is visible at the highest levels of the company.As a Machine Learning Scientist III, you'll help define this system. You'll tackle end-to-end pricing problems alongside a sharp team of ML scientists, data scientists, engineers, product managers, and operations analysts. You will contribute to an area of active scientific research: causal inference, mixed integer programming, and ML-based demand estimation.In this role, you will:Design, build, and improve ML models and systems that power Expedia Group products, with a focus on measurable business and customer impactPerform end-to-end model development, including problem formulation, data exploration, feature engineering, training, evaluation, and deployment in production environmentsDevelop robust data pipelines, data transformations, and data quality checks to ensure high-quality input signals for ML models and experimentationPartner with product, engineering, and analytics teams to translate business problems into ML solutions, define success metrics, and run experiments to validate impactSafely integrate and operate AI/ML‑enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world productsContribute to system design (including model-serving APIs and supporting data models), documentation, and best practices that enable reuse and scalability across multiple product domainsMinimum Qualifications:Bachelor’s degree in Computer Science, Statistics, Mathematics, or a related technical field, or equivalent practical experience5+ professional years of experience as a Machine Learning Scientist or in a similar applied ML role, working on end-to-end model development and deployment in real-world productsProficiency in at least one programming language commonly used for ML (such as Python) and experience working with data processing frameworks, model training libraries, and model evaluation techniquesExperience owning ML components or services in production, including monitoring model performance, maintaining data pipelines, and collaborating with engineering teams on APIs and data modelsPreferred Qualifications:Advanced degree (master’s or PhD) in a quantitative discipline (e.g., Engineering, Statistics, Economics, or related fields)Experience working on pricing, revenue optimization, marketplace dynamics, or similar business problemsExperience designing and analyzing experiments (e.g., A/B testing) and working with noisy or incomplete dataExperience building ML models using user behavior, segmentation, or contextual signalsFamiliarity with causal inference methods or optimization techniques (e.g., mixed-integer programming) in applied settingsThe total cash range for this position in Seattle is $137,500.00 to $192,500.00. Employees in this role have the potential to increase their pay up to $220,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.The total cash range for this position in Austin is $137,500.00 to $192,500.00. Employees in this role have the potential to increase their pay up to $220,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.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.Benefits and perksExpedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediagroup.com/life .Accommodation requestsExpedia 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 .About Expedia GroupExpedia 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 noticeEmployment 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/ .Equal OpportunityExpedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.