Senior Data Scientist in London

Senior Data Scientist in London

London Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Publicis Groupe

At a Glance

  • Tasks: Lead operational analytics and support data-driven decision-making in a fast-paced environment.
  • Company: Join CJ Affiliate, a leader in Global Affiliate Marketing within Publicis Groupe.
  • Benefits: Enjoy competitive salary, career development, and a collaborative team culture.
  • Other info: Dynamic role with opportunities for mentorship and cross-functional collaboration.
  • Why this job: Make an impact with innovative AI tools and scalable reporting solutions.
  • Qualifications: 5+ years in analytics, strong Tableau skills, and experience with AI workflows.

The predicted salary is between 60000 - 80000 £ per year.

Company Description

As part of Publicis Groupe, CJ Affiliate is the leader in Global Affiliate Marketing. We take pride in our innovative technology, comprehensive data solutions and our people. We equip our teams with the tools, training and career development opportunities to provide cutting edge solutions, strategies and support that deliver high quality results for our clients. We work in an energetic, results-oriented, collaborative, team environment that recognises exceptional performance. As we evolve and grow as a business, so do you.

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

Senior Data Scientist in London employer: Publicis Groupe

Publicis Groupe is an exceptional employer, offering a dynamic work culture that fosters creativity and collaboration in the heart of Greater London. With a strong focus on employee growth, we provide comprehensive benefits such as Pension, Life Assurance, and Private Medical cover, ensuring our team feels valued and supported. Join us to lead innovative strategies for renowned brands like Disney, while enjoying a workplace that champions inclusivity and professional development.

Publicis Groupe

Contact Details:

Publicis Groupe Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Data Scientist in London

Get Involved in Data Science Meetups

Tap into local data science meetups or workshops to connect with fellow enthusiasts and professionals. These events are goldmines for networking, and sometimes even lead directly to job openings at companies like Publicis Groupe!

Show Off Your Projects

Start building a public portfolio showcasing your data science projects on platforms like GitHub or personal websites. Highlight unique analyses or models you've developed. This not only demonstrates your skills but also gets your name out there for roles like Senior Data Scientist at Publicis Groupe.

Leverage Professional Networks

Join professional bodies related to data science, like the Data Science Society or similar organisations. Getting involved can lead to mentorship opportunities and insider knowledge about full-time positions at companies like Publicis Groupe.

Apply Directly through Our Website

When you find a suitable opening like Senior Data Scientist at Publicis Groupe, make sure to apply directly through our website. It gives you an edge and shows you're keen to join our team. Plus, who doesn’t love a direct application? It’s easier than navigating through job boards!

We think you need these skills to ace Senior Data Scientist in London

Operational Analytics
Jira Management
Ad Hoc Reporting
AI-Enabled Workflows
E-commerce Analysis
Digital Advertising Measurement
Tableau

Some tips for your application 🫡

Show Off Your Projects:In the world of data science, your projects can speak volumes about your skills. Make sure to showcase a few key projects in your CV or portfolio, especially those that highlight your ability to work with data sets, build models, or use relevant tools like Python, R, or SQL. Don’t forget to include links to any GitHub repositories if applicable!

Quantify Your Achievements:Employers love numbers! When drafting your CV, highlight your achievements with quantifiable results. For instance, mention how your data analysis led to a certain percentage increase in efficiency or revenue at a previous job or project. These details can really make your application pop!

Craft a Tailored Cover Letter:For a full-time role at Publicis Groupe, your cover letter should reflect your passion for data science and your excitement about the specific projects or values of the company. Dive into why you’re a good fit, how your skills align with their needs, and any unique perspectives you can bring to the team.

Stand Out with Relevant Courses and Certifications:Although experience talks, relevant courses or certifications can be your ticket to impressing hiring managers at Publicis Groupe. Mention any standout courses you've completed that equipped you with essential skills, such as machine learning certifications or data visualisation courses. This shows your commitment to continuously developing your skills in the field!

How to prepare for a job interview at Publicis Groupe

Brush Up on Your Statistics

For a data science role, we need to seriously sharpen our statistics skills. Get ready to tackle technical questions on probability distributions, hypothesis testing, and regression analysis. These are often the bread and butter of data science interviews, so don't just skim over them!

Showcase Your Projects

Prepare a killer portfolio showcasing your data science projects. We should include details about the datasets used, the tools and techniques applied, and the impact of your findings. If we can walk them through a particularly challenging project or a cool visualisation that had real-world implications, it’ll really make us stand out!

Get Comfortable with Python and R

Most data science positions require us to be proficient in programming languages like Python and R. We should practice common libraries like pandas, NumPy, and scikit-learn, and be ready for live coding exercises or algorithm questions. Showing off our coding chops can really impress the interviewers at Publicis Groupe!

Prepare for Case Studies

Expect to encounter real-world case studies during the interview. We might be asked how we’d approach a data problem or analyse a dataset to extract insights. It's essential to think out loud and demonstrate our problem-solving process so that the interviewer can see our logical thinking in action.