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Principal Data Scientist

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Robert Half

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Location:
United States , Jersey City

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Principal Data Scientist role in Data & AI organization building next-generation intelligent products used by thousands of enterprise customers worldwide. Drive development of advanced machine learning capabilities that shape product innovation, enhance data intelligence, and fuel large-scale business impact.

Job Responsibility:

  • Architect, develop, and deploy end-to-end machine learning models across structured and unstructured data sources
  • Lead the design and optimization of scalable data pipelines to support production-grade ML systems
  • Partner with engineering, research, and product teams to define requirements and deliver high-impact AI/ML solutions
  • Conduct model experimentation, analyze results, and continuously refine accuracy, performance, and robustness
  • Produce clear documentation and communicate insights effectively to both technical and non-technical audiences
  • Stay ahead of industry advancements in machine learning, data science tools, and emerging methodologies
  • Support the operationalization, governance, and monitoring of ML models within the company's product ecosystem

Requirements:

  • Bachelor's or Master's degree in Computer Science, Data Science, Engineering, Statistics, or related fields (PhD is a plus but not required)
  • 10+ years of deep, hands-on machine learning experience, including building, optimizing, and scaling data-driven models for real-world business impact
  • Expert-level proficiency in Python and common ML/data libraries such as Pandas, Scikit-learn, TensorFlow, and PyTorch
  • Extensive experience with data wrangling, cleansing, feature engineering, and ETL pipeline development
  • Proven experience deploying models in cloud-based or distributed environments

Nice to have:

  • Leaders who take ownership, drive research forward, and turn complex ideas into production-ready solutions
  • Strong analytical thinkers with exceptional communication skills
  • Collaborative professionals who enjoy working across engineering, product, and data teams
  • Individuals who embrace continuous learning and stay ahead of modern ML trends
What we offer:
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan

Additional Information:

Job Posted:
November 18, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
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