Principal Data Scientist, Identity & Real-Time Personalization

Publicis Groupe Holdings B.V; United States; Remote; USD 87,100 - 173,700; Full time

Benefits offered by this job

Flexible time off

Paid holidays

Comprehensive health coverage

401(k)

Job summary

Epsilon, a global data, technology and services company, seeks a PhD-level Lead Research Scientist to advance the Identity Resolution Platform used in real-time marketing at internet scale. You’ll drive research and development that expands identity capabilities across Epsilon’s marketing businesses, turning ideas into production tech with measurable impact.

You’ll tackle complex problems with large-scale data, collaborating with engineering and product teams to deploy scalable identity

Qualifications

• PhD in a quantitative field with strong ML background.
• Research experience and coursework in machine learning.
• Strong statistical, analytical, and predictive modeling knowledge.
• Proficient Python programming with production-quality code.
• 2+ years of programming via research, internships, or industry.
• Ability to translate complex concepts to non-technical audiences.
• Self-motivated, organized and collaborative in team environments.

Responsibilities

• Individually contribute to DS-related R&D projects.
• Apply data science and ML to research and business problems.
• Advance projects from early research to development.
• Implement and optimize algorithms in distributed environments.
• Develop understanding of Epsilon personalization platform and data.
• Collaborate across teams on research efforts.

Skills

PhD-level researcher

Machine Learning research

Python programming

Data structures & algorithms

Production-quality code

Independent research

Communication skills

Collaboration

AI-assisted development tools

Education

PhD in Computer Science/Engineering/Math

Tools

Spark

Hadoop

Databricks

AWS

SQL

Scala

LLMs/Generative AI

Graph algorithms

Job description

Epsilon, a global data, technology and services company, seeks a PhD-level Lead Research Scientist to advance the Identity Resolution Platform used in real-time marketing at internet scale. You’ll drive research and development that expands identity capabilities across Epsilon’s marketing businesses, turning ideas into production tech with measurable impact.

You’ll tackle complex problems with large-scale data, collaborating with engineering and product teams to deploy scalable identity