Lead Data Scientist
Lead Data Scientist
This is an exciting opportunity to join a growing data-driven technology business shaping the future of digital advertising. With a strong foundation already in place, you will take ownership of advanced modelling initiatives and play a central role in scaling machine learning solutions into production.
The Role
You will act as the technical lead for data science, partnering closely with engineering to deliver production-ready models that drive measurable impact.
- Lead the development of optimisation and predictive models for digital advertising campaigns
- Design and refine bidding algorithms in auction-based environments
- Build prototypes in Python and support their transition into production systems using Kotlin within AWS
- Work with large-scale datasets from advertising platforms and external sources such as demographic and behavioural data
- Collaborate closely with data engineers to productionise machine learning solutions
- Act as the go-to expert for troubleshooting, improving, and scaling models
- Contribute to shaping the data science approach and best practices within the business
Your Skills and Experience
- Strong commercial experience in data science with a focus on predictive modelling and optimisation
- Proven ability to take models from concept through to production environments
- Advanced Python skills and experience with machine learning frameworks
- Understanding of working with large and complex datasets
- Experience or exposure to Kotlin, Java, or Scala, or a willingness to work with these technologies
- Familiarity with cloud environments and scalable data processing, such as PySpark
- Background in advertising technology, marketing analytics, or auction-based modelling is highly beneficial
- Interest in bridging data science with production and data engineering environments