At Lighthouse, we're on a mission to revolutionize commercial strategy as hospitality's most powerful AI platform. We take the world's largest hotel data network and transform it into real-time intelligence that drives action. Our 850+ teammates across 35 countries aren't just building software—they are leveraging cutting-edge AI to help hoteliers be the first to act.

Tens of thousands of hotels across 185 countries trust Lighthouse to execute their commercial strategy, including every one of the top 15 global chains and thousands of independent hotels that consistently outperform their markets. Our shared values keep us on a collaborative path fostering a cultural and customer centric environment We're innovators who care deeply about our customers' success. We make every moment count by knowing what to deliver, why it matters, and how it drives Lighthouse forward Collaborative, fun, and deeply committed, we work hard together to revolutionize the hospitality sector.

As a Data Science Engineer, you will work in the Data Science Core team, a shared team supporting data science across Lighthouse. The role combines hands-on internal consulting for teams without embedded data science support, readiness to support important data domains, and continuous research into AI applications for hospitality. You will work independently on projects while drawing on the support of Senior Data Scientists and MLOps Engineers.

Partner with internal teams to contribute your data science expertise to projects Advise on and review data science work, or contribute hands-on to longer projects. Build, evaluate,



and ship machine learning and AI models for customer-facing use. Ramp up on important data domains to provide support and maintenance when needs arise.

You'll be joining our Data Science Core team. Supporting teams with data science expertise, maintaining important data domains, and researching how developments in AI can be applied in hospitality. You'll work alongside three MLOps Engineers and a Lead Data Scientist.

This is a role for someone who can take data science work from an initial question through to a product that reaches customers. What's in it for you?

Flexible working environment: Work from home or at one of our general offices. Optional benefits through tax-free payroll deductions for food, transportation and/or nursery.

Comprehensive health insurance: High-bar, friendly, creative, and passionate colleagues. Workshops, frameworks, tools, training, and processes to realize your full potential. Proven experience in Data Science.

Experience using Python to develop machine learning or AI solutions.

Experience with cloud orchestration. A track record of taking machine learning models or AI products into production for customers. Strong communication skills and experience working with stakeholders on ambiguous data science problems.

Ability to work independently on data science projects. Fluency in English. Consulting backgrounds with experience delivering production-ready data science work. Python (pandas, numpy, ML libraries...),SQL,Google Cloud Platform (BigQuery, Vertex AI, Dataflow, ADK...),Airflow,dbt,MLflow,GitLab,Atlan

📌 Data Science Engineer (Barcelona)
🏢 Lighthouse Intelligence
📍 Barcelona