Johnson & Johnson seeks a Principal Data Scientist to lead real-world evidence initiatives within R&D;, developing insights from diverse healthcare data sources to support clinical programs in neuroscience and regulatory submissions. The role combines data engineering, statistical analysis, and cross-functional collaboration in a hybrid Madrid or Barcelona setting.
Responsibilities
Develop portfolio of real-world evidence projects providing insights to pipeline assets
Design and execute end-to-end RWE studies from research questions through interpretation and publication
Create study protocols, statistical analysis plans, and programming deliverables
Analyze data and deliver urgent insights to internal and external stakeholders
Communicate technical methods and results to diverse audiences to inform decision-making
Requirements
~ Ph.D.



in quantitative field or Master's in biostatistics, data science, or bioinformatics
~2+ years (Ph.D.) or 4+ years (Master's) in biopharma, RWE consulting, or healthcare industry
~ Experience designing and executing studies with claims data, EHRs, or registries
~ Expert proficiency in R or Python, SPARQL, or Cypher
~ Demonstrated delivery of high-impact data science projects with predictive or machine learning methods
~ Hands-on graph neural networks and graph machine learning experience
~ Bioinformatics expertise with pathway and functional enrichment analysis

Compensation: €61,800–€106,260 base

📌 Data science expert. (España)
🏢 Johnson & Johnson
📍 España