Machine Learning Engineer II - Performance Marketing
Booking.com · Amsterdam, Netherlands · ML Engineering
About this role
Booking.com is hiring a mid-level Machine Learning Engineer based in Amsterdam, Netherlands. The posting calls out experience with Python, Java, AWS, GCP.
- Role
- Machine Learning Engineer
- Function
- machine learning
- Level
- mid
- Track
- Individual contributor
- Location
- Amsterdam, Netherlands
- Department
- ML Engineering
- Posted
- May 18, 2026
More roles at Booking.com
Job description
from Booking.com careersAbout us: At Booking.com, data drives our decisions. Technology is at our core, and innovation is everywhere. But our company is more than datasets, lines of code or A/B tests. We’re the thrill of the first night in a new place. The excitement of the next morning. The friends you encounter. The journeys you take. The sights you see. And the memories you make. Through our products, partners and people, we make it easier for everyone to experience the world.
About the team: The Performance Marketing team builds and optimizes large‑scale ML systems for online bidding across all major search providers, owning one of the industry’s largest online advertising optimization platforms to keep Booking.com competitive. We run end‑to‑end research‑to‑production cycles—from POC models to production A/B tests—driving measurable impact by innovating in online auctions at scale.
Role Description: As a Machine Learning Engineer at Booking.com, you will play a key role in shaping how millions of travelers experience our products. You’ll work closely with ML scientists, software engineers, and product managers to turn business challenges into scalable, reliable ML solutions. Beyond delivery, you’ll also contribute to applied research and reusable frameworks, ensuring Booking.com remains at the forefront of AI innovation.
Key Job Responsibilities and Duties