Expedia

Machine Learning Engineer III

Expedia
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5 days ago
Seattle, WA, USA or San Jose, CA, USASenior
H1B sponsor

Responsibilities

  • Design and implement scalable batch and real-time machine learning pipelines for advertising delivery and optimization.
  • Operationalize machine learning models and integrate them with ad delivery, bidding, ranking, and campaign management systems.
  • Build and maintain data pipelines for large-scale advertising impressions, clicks, and conversion data.
  • Enable low-latency inference and real-time decision-making across advertising systems and multiple brands.
  • Develop reusable components, APIs, and orchestration workflows for experimentation, deployment, and iteration.
  • Monitor, optimize, and improve the reliability, scalability, and performance of production ML-powered advertising systems.
  • Collaborate with software engineering, data science, product, platform, analytics, and business teams.
  • Set technical direction, raise engineering standards, and mentor other team members.

Requirements

  • Bachelor’s or master’s degree in computer science, engineering, data science, or a related quantitative field.
  • At least 4 years of industry experience working with machine learning or data-driven systems.
  • Proficiency in Python and familiarity with machine learning frameworks such as PyTorch or TensorFlow.
  • Understanding of supervised learning, feature engineering, model evaluation, and basic bias/variance tradeoffs.
  • Experience with data pipelines and large datasets using tools such as Spark, SQL, or similar technologies.
  • 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 training, evaluation, or inference pipelines.
  • Preferred: familiarity with Spark, Databricks, AWS, MLOps, model monitoring or retraining workflows, and real-time ML systems.
  • Preferred: experience with ranking, prediction, classification, recommendation, or NLP models and interest in advertising, marketplaces, e-commerce, or travel platforms.

Benefits

  • Medical, dental, and vision coverage.
  • Paid time off, an Employee Assistance Program, wellness reimbursement, and travel reimbursement.
  • Travel discounts and International Airlines Travel Agent Network membership.
  • Available only in San Jose, California or Seattle, Washington, with at least three days per week in the office.
  • Relocation assistance is not available.

Tech Stack

Categories

Data EngineeringML Engineering
Expedia

About Expedia

10,000+ employees
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