Principal Data Scientist

Location: London

As a Principal Data Scientist, you will enhance PEI's growth and achievement by improving the customer experience with intelligent, customized solutions. You will leverage the latest AI and ML technologies to ensure our customer offerings are not only enjoyable and seamless but also at the cutting edge of industry innovation.

In this role, you will shape the principles and practice of Data Science delivery at PEI. You will build models that drive impact for customers and impact your peers through mentoring and the dissemination of your ideas and principles.

We are embarking upon a transformation journey that will revolutionise the customer experience for members of the Alternative Assets community – you can help us build that future!

As a Principal Data Scientist at PEI you will…

• Develop and enhance machine learning models and deploy them into production.
• Co-create the standards for Data Science delivery from discovery through to production.
• Utilize your expertise in analytics, data science, and data storytelling to see beyond the numbers, understanding user interactions with our products and communications, and how these insights can shape our communication strategy.
• Guide and empower teams to measure what matters; initiate or assist in running A/B experiments to continuously improve our efforts.
• Work closely with engineers to ensure we collect the right data to generate relevant business insights.
• Collaborate with various departments, including product, editorial, and commercial, to leverage machine learning and analytics to identify optimization opportunities.
• Conduct deep analysis into the core aspects of PEI's operations to fully understand key levers and propose improvements.

We'd love to hear from you if you...  

• Have an advanced degree in a quantitative discipline.
• Have a growth mindset and are hungry to learn and improve.
• Have considerable knowledge of, and experience using advanced statistical techniques in an applied setting.
• Possess the ability to write production quality code in Python and SQL.
• Have a self-starter mindset; you proactively identify issues and opportunities and tackle them without being told to do so.
• Are commercially minded and can put numbers into business perspective.
• Are as comfortable getting hands-on as taking a step back and thinking strategically.
• Are a team player whom your colleagues can rely on.
• Have experience in conducting A/B experiments.
• Have excellent presentation and communication skills and get excited to turn data into stories accessible for stakeholders.
• Are comfortable with complexity & developing a holistic understanding of a system to propose & build solutions.

Nice to have

• Experience in Digital Media domain.
• Cultural change/transformation experience.
• Probabilistic programming experience (e.g PyMC, Stan).
• Causal Inference knowledge/experience.

Our technology stack

• Python and Jupyter Notebooks.
• PySpark/Ray for processing big data.
• dbt for data management.
• Azure Databricks: Workflows, Asset Bundles, MLFlow.

Why You'll Love Working with Us:

• Generous Leave: 25 days annual leave (+8 bank holidays), Holiday-Flex, and a gifted December Holiday.
• Flexible Working: Enjoy a flexible working policy to balance your professional and personal life.
• Volunteer Time: 4 days of volunteer leave per year to give back to the community.
• Comprehensive Benefits: Life Cover, Private Medical Insurance, and access to an Employee Assistance program.
• Financial Perks: 4.5% matched pension contribution and a Cycle to Work scheme.
• Employee Support: Referral scheme to reward your network.