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About the Role

Epsilon's Data Science & AI practice is seeking a Senior Data Scientist to deliver advanced analytics and data science solutions that drive measurable business impact for clients. This role focuses on solving complex business problems using statistical modeling, machine learning, and experimentation, working closely with cross-functional partners and global teams. As a senior member, you will guide analytical approaches, ensure quality, and help evolve procedures within a modern data science ecosystem.

Responsibilities

Partner with business collaborators, analytics consulting, and client delivery teams to define analytical approaches and deliver solutions.
Design, develop, and deliver analytics solutions, including segmentation, targeting, and data-driven insights.
Apply statistical modeling and machine learning techniques to drive customer-level insights (e.g., churn, CLV, propensity, attribution).
Design and analyze experiments (A/B testing, incrementality, causal inference) to measure marketing effectiveness and ROI.
Communicate complex analytical findings clearly to both technical and non-technical audiences.
Find opportunities to standardize analytics approaches through reusable methodologies and frameworks.
Collaborate closely with offshore data science teams, including task prioritization, work allocation, and quality assurance of analytical deliverables.
Provide technical guidance and mentorship to junior team members, ensuring consistency in methodology, coding standards, and analytical rigor.
Apply modern machine learning techniques and leverage emerging capabilities (e.g., Generative AI, advanced experimentation) where appropriate.

Requirements

6–10+ years of experience in data science, analytics, or a related quantitative field.
Strong foundation in statistical analysis, machine learning, and data modeling.
Experience working with large-scale data environments (e.g., Databricks, Spark).
Proven ability to translate business problems into analytical solutions and actionable insights.
Experience working with distributed and offshore teams in a global delivery model.
Strong experience with experimental design and measurement (A/B testing, causal inference, marketing attribution).
Familiarity with data visualization and storytelling techniques to communicate insights effectively.
Experience working with cloud-based data environments (Azure, AWS) and data pipelines is preferred.
Hands-on coding experience in Python is required.
Exposure to MLOps concepts and model lifecycle management is a plus.
Familiarity with Generative AI / LLM applications for analytics and insights is a plus.

Skills

Statistical analysis
Machine learning
Data modeling
Python
A/B testing
Causal inference
Marketing attribution
Data visualization
Storytelling
Generative AI
LLM applications

Location

Global

Work Type

Full-time

Experience Level

Senior

Education Level

Master's degree in Statistics, Mathematics, Economics, Computer Science, or a related field (PhD a plus)

Salary/Compensations

USD $76,400.00 - USD $163,200.00/Annually

Benefits

Flexible time off (FTO)
14 paid holidays
Paid sick time
Parental/new child leave
Childcare & elder care assistance
Adoption assistance
Comprehensive health coverage
401(k)
Tuition assistance
Commuter benefits
Professional development
Employee recognition
Charitable donation matching
Health coaching and counseling
Medical coverage
Dental
Vision
Disability
401k
Paid time off

About the Company

Epsilon is a global leader in data and identity, with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services.
Positioned at the center of Publicis Groupe, Epsilon helps brands deliver personalized experiences at scale and build lasting customer relationships by unlocking the full potential of data and identity.
Epsilon operates in 30+ countries across EMEA, the Americas and APAC, with more than 8,000 employees.
Epsilon has five values that define our culture and guide us as we create value for our clients, our people and consumers: Act with integrity, Work together to win together, Innovate with purpose, Respect all voices, Empower with accountability.

Equal Opportunity

Epsilon is an Equal Opportunity Employer. Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information or any other characteristic protected by applicable federal, state or local law.
Epsilon also prohibits harassment of applicants and employees based on any of these protected categories.
Epsilon will provide accommodations to applicants who need accommodations to complete the application process.
For San Francisco Bay and Los Angeles Areas: Epsilon will consider qualified applicants with criminal histories for employment in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance.
Applicants with criminal histories are welcome to apply.