Expedia Group · 14 hours ago
Machine Learning Engineer III - Advertising Technology
USA - California - San Jose
Full-time
Onsite
Mid Level
$146K/yr - $204K/yr
3+ years expExpedia Group is a company that powers global travel for everyone, everywhere. They are seeking a Machine Learning Engineer III to join their Advertising Technology team, where the role involves designing and implementing ML systems that optimize advertising delivery and enhance user experiences.
CommunitiesInternetReservationsTask ManagementTechnical SupportTicketingTourismTransportationTravel
Responsibilities
Design and implement scalable batch and real-time ML pipelines to support advertising delivery and optimization across channels
Operationalize ML models developed by ML scientists, integrating them with ad delivery, bidding, ranking, and campaign management systems
Build and maintain reliable data pipelines to ingest, process, and transform large-scale ad impressions, clicks, and conversion data
Partner closely with ads product, engineering, analytics, and business teams to align ML solutions with marketplace and revenue goals
Enable low-latency inference and real-time decisioning for advertising systems serving millions of users across multiple brands and surfaces
Develop reusable components, APIs, and orchestration workflows to support experimentation, deployment, and rapid iteration in ad systems
Ensure reliability, scalability, and performance of ML-powered ad systems through robust monitoring, alerting, and continuous optimization
Qualification
Required
Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related quantitative field
3 years+ of industry experience (or equivalent internships/research) working with machine learning or data-driven systems
Proficiency in Python and familiarity with ML frameworks such as PyTorch or TensorFlow
Solid understanding of machine learning fundamentals, including supervised learning, feature engineering, model evaluation, and basic bias/variance tradeoffs
Experience working with data pipelines and large datasets, using tools such as Spark, SQL, or similar
Familiarity with software engineering fundamentals, including version control, testing, and basic system design
Ability to collaborate effectively and communicate technical concepts clearly
Preferred
Experience contributing to production ML systems, including model training, evaluation, or inference pipelines
Familiarity with distributed data processing (Spark, Databricks) and cloud environments (AWS preferred)
Exposure to MLOps concepts, such as model deployment, monitoring, or retraining workflows
Experience building or experimenting with ranking, prediction, classification, recommendation, or NLP models
Basic familiarity with real-time or near–real-time ML systems
Background or interest in ads, marketplaces, e-commerce, or travel platforms
Benefits
Medical/dental/vision
Paid time off
Employee Assistance Program
Wellness & travel reimbursement
Travel discounts
International Airlines Travel Agent (IATAN) membership
Company
Expedia Group
At Expedia Group (NASDAQ: EXPE), we believe travel is a force for good – it opens minds, builds connections, and bridges divides.
10001+ employees
H1B Sponsorship
Expedia Group has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (519)
2024 (410)
2023 (382)
2022 (629)
2021 (483)
2020 (366)
Funding
Current Stage
Public CompanyTotal Funding
$4.25BKey Investors
TCV
2025-02-21Post Ipo Debt· $985M
2020-04-23Post Ipo Equity· $1.2B
2020-04-23Post Ipo Debt· $2B
Leadership Team
Ariane Gorin
Chief Executive Officer
Ramana Thumu
Chief Technology Officer
Recent News
2026-01-23
2026-01-22
Company data provided by crunchbase