Data Scientist
The Hotels Network
- Barcelona
- Permanente
- Tiempo completo
- We have access to a unique dataset built from years of browsing behavior data from millions of daily users on hotel websites around the globe.
- Our team has deep expertise across a wide range of ML/AI areas, including:
- User behavior prediction
- Natural Language Processing (NLP)
- LLMs, Retrieval-Augmented Generation (RAGs), and agentic workflows
- Recommenders
- Computer vision
- Time series forecasting
- Causal inference
- Our developments lead to real, high-impact products used by clients every day
- Bachelor's degree in a quantitative field such as Computer Science, Mathematics, Physics, Engineering, or similar who can demonstrate strong technical skills and relevant experience.
- 3+ years of industry experience applying machine learning techniques.
- Proven track record of end-to-end data science project execution — from ideation and planning to implementation, evaluation, and delivery.
- Strong theoretical and practical understanding of Machine Learning and statistics.
- Proficient in Python and experienced with core Python ML libraries (e.g., pandas, numpy, scikit-learn, tensorflow/keras or pytorch, matplotlib, seaborn, fastapi).
- Strong problem-solving skills and a hands-on, resourceful attitude.
- Self-motivated, creative, and always eager to learn and try new tools.
- Experience working with Airflow DAGs and Apache Kafka.
- Familiarity with AWS (e.g., S3 with boto3, ECR, etc.).
- Experience with Docker and Kubernetes.
- Proficiency with Linux, version control systems like Git (GitHub), and CI/CD pipelines.
- Experience managing and processing large datasets.
- Hands-on experience with Deep Learning, particularly using PyTorch.
- Experience deploying RAGs and agentic workflows in production.
- Familiarity with best practices in production environments: code reviews, testing, documentation, and long-term maintenance.
- Master's Degree in a relevant field is a plus.
- Competitive salary package.
- Be part of a truly international team (25+ nationalities).
- Work from a central office in Barcelona.
- Have a real impact on a fast-growing tech company.
- Ongoing internal and external training opportunities.
- Healthy work-life balance, including flexible hours and a 3-day-per-week remote work policy.
- Flexible benefits plan (restaurant/transport/nursery vouchers).
- Coffee, tea, fresh fruit, and Friday team breakfasts.
- Exclusive hotel perks and discounts.