Expedia Group · 11 hours ago
Sr. Machine Learning Engineer - Advertising Technology
Seattle, WA
Full-time
Onsite
Senior Level, Lead/Staff
$184K/yr - $295K/yr
8+ years expExpedia Group is a leader in global travel technology, creating innovative solutions for travelers and partners. The Senior Machine Learning Engineer will be responsible for building and operating large-scale machine learning systems that drive pricing and inventory optimization across the advertising platform.
CommunitiesInternetReservationsTask ManagementTechnical SupportTicketingTourismTransportationTravel
Responsibilities
Collaborate with Software Engineers and ML Engineers/Scientists to design and build large-scale batch and real-time ML systems for advertising use cases
Propose, lead, and deliver high-impact ML applications across pricing, inventory, content, and trust & safety, aligning technical decisions with business outcomes
Own the end-to-end lifecycle of mid- to large-scale ML projects, from system design and model development through deployment and production operations
Establish and promote ML engineering best practices, including model quality, MLOps, observability, and scalable system design
Mentor junior engineers and support teams in integrating ML into existing production systems
Partner with senior stakeholders across organizations to drive shared standards, communities of practice, and cross-team learning
Lead complex, cross-organizational initiatives to improve performance, reliability, and scalability of ML systems
Qualification
Required
8+ years (BS) / 6+ years (MS) of industry experience building and deploying machine learning models in production
Strong experience with distributed data processing and large-scale datasets (Spark preferred)
Proven ability to design, deploy, and operate real-time or near–real-time ML systems end to end, including feature pipelines, model training and validation, scalable inference, monitoring, drift detection, and retraining
Proficiency in Python with ML frameworks such as PyTorch or TensorFlow, and strong working knowledge of Scala or Java
Deep expertise in end-to-end MLOps, including training and inference workflows, CI/CD for ML, model versioning, and automated retraining
Strong ownership of ML observability, including model performance monitoring, data quality checks, drift detection, alerting, and root-cause analysis
Experience operating cloud-native ML platforms and distributed systems (AWS, SageMaker, Kubernetes, Spark, Databricks) with reliability, scalability, and cost awareness
Preferred
Proven experience building and scaling production ML and AI systems, including LLMs, RAG pipelines, embeddings, and retrieval-based architectures
Strong foundation in machine learning fundamentals, including supervised and unsupervised learning, feature engineering, model evaluation, bias/variance tradeoffs, and offline vs online metrics
Hands-on experience designing, training, tuning, and deploying ranking, prediction, classification, recommendation, forecasting, or NLP models
Background in ads, marketplaces, e-commerce, or travel platforms is a plus
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