Machine Learning Engineer III

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.

Introduction to the team
The Distribution and Supply team at Expedia Group is revolutionizing how people search, book, and experience travel. We power the systems behind Pricing, Inventory, Content, and Marketplace Trust & Safety, ensuring travelers find the best deals and most reliable experiences across hotels, vacation rentals, flights, cars, packages, and cruises. Our platforms process trillions of events globally, connecting hundreds of millions of travelers across Expedia Group’s brands.
As a Machine Learning Engineer III, you’ll design and scale the intelligent systems that power Expedia’s global travel marketplace. You’ll work across Content, Pricing & Availability, Trust and Safety domains operating at massive scale and complexity.
Our Content systems manage hundreds of millions of digital assets—images, text, videos, and attributes—that bring destinations and experiences to life. You’ll use machine learning to automate content enrichment, enhance quality, and deliver personalized travel recommendations.
In Pricing & Availability, you’ll build models that optimize real-time pricing and inventory for hotels, rentals, and vehicles—processing millions of products and prices for users per second. Your work ensures travelers see the most accurate, competitive, and relevant prices worldwide.
Within Trust and Safety, you’ll develop models that uphold trust and fairness across Expedia’s two-sided ecosystem, detecting anomalies, mitigating fraud, and supporting partners in delivering high-quality traveler experiences.
If you’re passionate about applying machine learning to complex, high-scale systems that shape how the world travels, join us and help define the future of travel technology at Expedia Group.
In this role, you will:

• Collaborate in cross-functional teams of Software Engineers and Machine Learning Engineers/Scientists to design and develop large-scale batch and real-time ML solutions in the Distribution and Supply domain

• Propose, lead, and implement innovative ML applications across Pricing, Inventory, Content, and Trust & Safety while aligning technology strategy with business objectives, ensuring measurable impact

• Lead end-to-end lifecycle for mid- to large-scale ML projects, from design to deployment

• Establish and promote best practices, industry standards, and high-quality methodologies

• Mentor junior engineers, fostering best practices for integrating ML into existing systems

• Work on cross-organizational initiatives, solving complex technical challenges, and innovate to enhance performance and scalability

Minimum Qualifications:

• 5+ years of experience for a Bachelor's degree, or 3+ years for a Master's degree in a software engineering role; or equivalent related professional experience

• Proficiency in Python and Scala (or Java)

• Expertise in Big Data technologies such as Hadoop, Hive, or Spark

• Proven ability to productionize Machine Learning models, including feature engineering, scalability, validation, and deployment

Preferred Qualifications:

• Strong experience with cloud platforms such as AWS, EMR, Kubernetes, and Docker

• Experience building real-time applications, preferably with Spark

• Proficiency with ML platforms like Databricks or SageMaker, and libraries such as PyTorch or TensorFlow

• Hands-on experience with workflow orchestration tools (e.g., Airflow, Flyte)

• Experience in the e-commerce or travel industry

The total cash range for this position in Seattle is $146,000.00 to $204,500.00. Employees in this role have the potential to increase their pay up to $233,500.00, 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.

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.

Expedia 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.