Principal Data Science
Ally Financial
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How this pay compares to similar roles
This role pays less than 90% of similar roles. Most pay $174,900–$249,821 — the shaded band above. At the midpoint, this role pays about $159k versus about $212k for comparable roles.
Based on 240 similar postings.
Employer
Johnson & Johnson is a multinational corporation operating in three main segments: consumer health products, pharmaceuticals, and medical devices, known for brands like Tylenol, Band-Aid, and Janssen. Industry: Pharmaceuticals & Medical Devices
Johnson & Johnson currently has 71 open roles on FindRole.
Listed pay typically runs $109,000–$177,100 across 65 roles with salary data.
Most-posted roles
At a glance
Principal- AI and Data Sciences joins the MedTech sector to develop and validate machine learning prediction models within a regulated healthcare environment. The role involves designing, building, and maintaining end-to-end ML solutions on Databricks using both structured and unstructured data, including text and images. Key responsibilities include implementing ETL/ELT pipelines with Spark and PySpark, performing feature engineering, and developing supervised or unsupervised models using Python frameworks like Prophet, XGBoost, LightGBM, and Hugging Face. The position requires managing the model lifecycle through MLflow, conducting regression testing to detect performance drift, and ensuring interpretability for stakeholders. Technical requirements include proficiency in Databricks, Python, SQL Server, and React. The work focuses on solving complex medical technology problems by integrating structured and unstructured data models using agentic frameworks while adhering to strict regulatory constraints like HIPAA and GxP.
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