Senior Data Scientist

Publicisgroupe; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

Publicisgroupe is seeking a Senior Data Scientist in Greater London to lead operational analytics and support internal and client-facing reporting. The role requires 5+ years of experience in analytics, strong skills in Tableau, and knowledge of e-commerce and digital advertising principles.

The ideal candidate will work with various stakeholders to deliver timely data solutions and improve workflows using AI tools. This position promises a dynamic work environment with opportunities to leverage data analytics for performance measurement.

Qualifications

• 5+ years of experience in analytics, marketing science, or business intelligence.
• Strong experience with Tableau and large data environments.
• Strong analytical skills and attention to detail.

Responsibilities

• Lead operational analytics support across Jira workflows.
• Analyze e-commerce and digital advertising data.
• Build and maintain Tableau dashboards.

Skills

Tableau

Large-scale data environments

AI coding agents

E-commerce knowledge

Analytical problem-solving

Tools

Python

Spark

Databricks

Job description

Overview

In this Senior Data Scientist role at CJ, you will serve as a senior operational analytics resource supporting internal and client-facing reporting, analytics, and data requests across the business. This role focuses on executional analytics, Jira queue management, scalable reporting solutions, AI-enabled workflows, and operational excellence within a fast-paced digital advertising environment.

You will work across multiple stakeholders and business functions to support ad hoc analysis, reporting requests, data investigations, and e-commerce and digital advertising measurement initiatives, including performance analysis and incrementality-focused requests, while leveraging AI tools and coding agents to improve workflow efficiency, delivery quality, and operational scale.

What you will do:

• Lead operational analytics support across Jira workflows, ad hoc reporting requests, internal stakeholder asks, and client support needs
• Help manage team bandwidth, queue prioritization, ticket intake, and work allocation while ensuring requests are clearly scoped and actionable
• Serve as a senior escalation point for analysts by providing guidance on troubleshooting, reporting logic, delivery standards, AI-enabled workflows, and best practices
• Analyze e-commerce and digital advertising data to support reporting, campaign analysis, operational insights, measurement initiatives, and client-facing requests
• Partner with account teams, analysts, and cross-functional stakeholders to deliver timely and accurate data solutions
• Identify recurring request trends and develop scalable reporting and AI-assisted operational solutions while ensuring strong data quality, validation, monitoring, and operational consistency across workflows
• Build and maintain Tableau dashboards and reporting solutions while utilizing Spark, Databricks, and AI coding agents to support analysis, investigate data issues, and improve workflow efficiency

What we look for:

• 5+ years of experience in analytics, marketing science, business intelligence, or a related field
• Strong experience with Tableau and large-scale data environments such as Spark or Databricks
• Experience utilizing AI coding agents and AI-enabled workflows to improve productivity, operational efficiency, and analytics delivery
• Strong understanding of e-commerce, digital advertising, and performance marketing principles, including affiliate and partner-based ecosystems
• Strong analytical, organizational, and problem-solving skills with attention to detail and data accuracy
• Experience guiding or mentoring analysts and driving operational consistency across a team
• Strong communication and stakeholder management skills with the ability to translate technical concepts into business-friendly insights

Preferred:

• Experience with Python, PySpark, or Scala
• Experience training, tuning, or optimizing AI agents and workflows for analytics, reporting, or client-facing use cases
• Experience supporting enterprise-level reporting or analytics environments
• Familiarity with digital advertising measurement methodologies, incrementality analysis, and reporting frameworks
• Experience working in cross-functional global team environments and improving operational workflows or analytics governance standards
• Familiarity with marketing analytics and measurement methodologies, including marketing mix modeling (MMM), attribution, and campaign performance frameworks