Senior Data Scientist / Machine Learning Engineer (GenAI, NLP & Risk Analytics)
Barcelona · Hybrid (2 days/week on-site in Viladecans) · Senior (+7 years)
About the role
We are looking for a Senior Data Scientist / Machine Learning Engineer to join a complex business environment at a leading international airline group. You will design, develop and deploy advanced ML and AI solutions that support data-driven decision-making across business areas, working cross-functionally with Product, Engineering, Business and Analytics teams. This role is especially suited to someone with experience in financial services, digital products, risk analytics, document processing, forecasting and operational optimisation.
What you will do
• Design, develop and deploy ML models for forecasting, customer behaviour, risk assessment, operational efficiency and decision automation.
• Build GenAI and NLP solutions: document processing, text classification, information extraction, embeddings, RAG pipelines and LLM-based workflows.
• Build and maintain scalable data pipelines using Python, SQL, PySpark, Airflow, Databricks and cloud services.
• Apply MLOps best practices: model monitoring, versioning, reproducibility, CI/CD and deployment workflows.
• Create dashboards and reporting to track model performance and business KPIs.
• Mentor junior data scientists and promote best practices.
Must-have requirements
• Advanced Python, SQL and PySpark.
• ML frameworks: Scikit-learn, TensorFlow and PyTorch.
• Strong background in NLP, GenAI, LLMs, embeddings and RAG-based solutions.
• Large-scale data environments: Databricks, Airflow, AWS or Azure.
• MLOps: MLflow, Git, CI/CD and model monitoring.
• Predictive modelling, time-series forecasting, classification, clustering and risk modelling.
• +7 years as Data Scientist, ML Engineer or Applied Scientist.
• Fluent English.
Nice to have
• Airline, travel, transport, logistics, banking, fintech or large-scale digital platforms.
• Recommendation systems, personalisation engines or customer behaviour modelling.
• Document AI, automated reporting, regulatory/compliance or operational risk analytics.
• AWS (SageMaker, S3, EMR, EC2, Textract), Azure AI services, Power BI.
What We Offer
• Career plan with €1,000 annual training budget
• Private health insurance 100% covered
• ️ Online language classes
• Adaptable compensation with Cobee card
• Free lunch on Wednesdays
• After Thursdays with the team
• Meetups and internal tech communities
Join our team! Develop your IT talent. Learn, create and have fun
To learn more about us, visit our website ( Sharing is at the core of our experience. We have one of the largest IT communities in Barcelona and Madrid, thanks to the many in-person events and webinars we organize.
InnoIT Consulting Meetup in Barcelona:
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At InnoIT, we actively promote diversity, equity and inclusion. We invite people from all backgrounds and experiences to apply, and we especially value applications from women and other groups underrepresented in the tech sector. We evaluate all applications fairly and are committed to making any necessary adjustments to ensure a fair selection process and an inclusive work environment.
We do not discriminate based on gender, age, ethnic origin, nationality, sexual orientation, gender identity, religion, disability, or any other characteristic protected by law.
We rigorously assume our commitment to gender equality, fully complying with current regulations on equality. We foster an inclusive and equitable work environment where all people, regardless of gender, have the same opportunities for growth and development.