Principal / Lead Data Scientist (Basé à London)

Team / Department: Data Science Team within Marketing Sciences Department

Line Manager: SVP, Head of Data Science

Team Lead: SVP, Head of Data Science

The Role

Are you a seasoned data scientist with a passion for leading teams and driving innovative solutions in the marketing industry? Do you thrive in dynamic, fast-paced environments where your expertise can make a tangible impact? If so, join our world-class Data Science team at RAPP as a Principal / Lead Data Scientist! Led by George Cushen (https://www.linkedin.com/in/cushen/), you'll be at the forefront of leveraging AI to reinvent marketing for some of the world's biggest brands, including Ralph Lauren, KFC and Mercedes.

The position is for a Principal or Lead Data Scientist depending on experience.

What You’ll Do:

• Innovate and Optimise:Design, build, and implement cutting-edge predictive models such as causal AI campaign modelling, campaign forecasting engines, pricing elasticity models, and recommender engines that drive media performance, personalise customer experiences, and optimise revenue for our clients.
• Lead and Mentor:Lead a team of data scientists, providing guidance, mentorship, and fostering their professional growth. Oversee multiple data science projects, ensuring they are delivered on time and meet or exceed client expectations. Depending on experience, there may be the opportunity for direct reports.
• Uncover Insights:Use predictive and prescriptive techniques to analyse data, uncover trends, and deliver actionable recommendations that make a real impact on our clients' businesses.
• Build and Prototype:Develop data solutions, tools, and prototypes that showcase our capabilities and empower clients with self-service frameworks.
• Communicate Effectively:Present your findings and recommendations in a way that’s both clear and engaging, whether you’re talking to a technical team or a non-technical client.
• Collaborate and Document:Work closely with cross-functional teams in a fast-paced, entrepreneurial environment and ensure your processes are documented for scalability.

What You’ll Bring:

Must-Have:

• A degree in Computer Science, Mathematics, Physics, or a related field.
• Extensive experience in building machine learning models for tasks like recommendations, segmentation, forecasting, and optimising marketing spend.
• Proficiency in Python, SQL, Bash, and Git, with hands-on experience in tools like Jupyter notebooks, Pandas, PyTorch, and more.
• Experience with A/B testing and other experimentation methods to validate model performance and business impact.
• Experience with cloud platforms (AWS, Databricks, Snowflake), containerisation tools (Docker, Kubernetes), and CI/CD pipelines.
• Strong problem-solving skills, creativity, and attention to detail.
• Excellent communication skills with the ability to distil complex analyses into insights that clients can easily understand and act on.

Nice-to-Have:

• A deep understanding of the marketing ecosystem, including media measurement solutions like media mix modelling.
• Experience with RNNs, NLP, Computer Vision, GenAI, CausalAI, GraphAI, and advanced techniques.
• Familiarity with versioning models (MLFlow), API design (FastAPI), and building custom dashboards (Dash).

Why You’ll Love It Here:

• Variety and Challenge:No two projects are the same. You’ll work across multiple industries, constantly learning and growing as you tackle new problems.
• Innovation at the Core:We’re at the cutting edge of AI and marketing, and you’ll have the freedom to experiment, innovate, and shape the future.
• Collaborative and Fun Culture:We’re a tight-knit team that values collaboration, creativity, and having fun while doing great work.
• Global Impact:As part of Omnicom, you’ll be contributing to projects that have a global impact, working with some of the biggest brands in the world.

If you’re excited by the prospect of joining a fast-paced, innovative environment where you can make a tangible difference, we’d love to hear from you!

About RAPP

We are RAPP – world leaders in activating growth with precision and empathy at scale. As a global, next-generation precision marketing agency we leverage data, creativity, technology, and empathy to foster client growth. We champion individuality in the marketing solutions we create, and in our workplace. We fight for solutions that adapt to the individual’s needs, beliefs, behaviours, and aspirations. We foster an inclusive workplace that values diversity and emphasises personal well-being.

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