Machine Learning Engineer III

Overview

We are looking for a Machine Learning Engineer III to join the Expedia Group B2B Applied Machine Learning Team. The role focuses on designing, building, and maintaining infrastructure for deploying ML solutions, managing data pipelines, and optimizing compute resources for ranking problems, recommendation engines, and pricing optimization systems.

Responsibilities

• Design and implement scalable ML infrastructure for training, deployment, and serving in batch and real‑time environments.
• Build and maintain efficient data pipelines for large‑scale processing and feature engineering.
• Optimize compute resources and improve model serving performance across ML systems.
• Implement robust monitoring, logging, and alerting systems; contribute to ML Ops practices including CI/CD pipelines.
• Collaborate closely with ML scientists to streamline the model development‑to‑production workflow.
• Research and integrate new technologies, mentor junior engineers, and communicate technical solutions to diverse stakeholders.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field.
• 3+ years of experience in software, data, or ML engineering roles.
• Strong problem‑solving skills, proficiency in Python, and experience with ML frameworks such as TensorFlow or PyTorch.
• Knowledge of ML algorithms, model architectures, and building scalable, reliable ML systems.
• Exposure to cloud platforms (AWS, GCP), containerization (Docker, Kubernetes), and scalable data systems (Spark, Kafka).
• Familiarity with CI/CD tools (GitHub Actions), ML model serving technologies (MLflow), and cross‑team collaboration.
• Ability to adapt to new technologies, understand broader context, and deliver high‑quality solutions efficiently.

Salary

The total cash range for this position in Madrid is €55,500.00 to €78,000.00. Employees in this role have the potential to increase their pay up to €89,000.00 based on ongoing performance.

Benefits

• Medical, dental, and vision coverage.
• Paid time off.
• Employee Assistance Program.
• Wellness and travel reimbursement.
• Travel discounts and IATAN membership.

Equal Opportunity

Expedia Group is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.