> Markdown version of [/jobs/ext/1286446-senior-data-scientist](https://www.wearedevelopers.com/jobs/ext/1286446-senior-data-scientist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Scientist - **Company:** Publicis Groupe - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, JIRA, Big Data, Data Systems, Python (Programming Language), Performance Tuning, Queue Management Systems, Tableau (Software), Apache Spark, Pyspark, Tools for Reporting, Databricks - **Published:** July 16, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=a8d0c482579e7988 ## About the Role * 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 ## Description 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 ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [What Industries Outside of AI Are Hiring The Most AI Experts?](https://www.wearedevelopers.com/magazine/98-what-industries-outside-of-ai-are-hiring-the-most-ai-experts) - [Data Analyst Salary Germany](https://www.wearedevelopers.com/magazine/277-data-analyst-salary-germany) - [Best Companies to Work For in Paris: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/190-best-companies-to-work-for-in-paris-top-25-companies-in-2023)