Location
barcelona, cataluña, Spain
Posted
June 16, 2026
Job Description
Requirements
- 3+ years of industry experience applying machine learning methods, with a strong focus on recommender systems, search, ranking, or personalization
- Strong proficiency in Python for production ML systems
- Experience with A/B testing and experimentation frameworks to measure model impact
- Familiarity with cloud platforms (AWS, GCP, or Azure) and containerized environments
- Familiarity with SQL and NoSQL databases
- Degree in computer science, machine learning, statistics, or equivalent work experience
What the job involves
- We are looking for a Senior Machine Learning Engineer to join our Personalization team in Barcelona
- You will design and build systems that deliver highly relevant, personalized experiences across our digital products
- This role sits at the intersection of backend engineering, data, and applied AI—leveraging modern architectures and machine l...