Senior Data Scientist - AdTech/eCommerce (Global Media Technologies)

• The role: Data Scientist – Ads & E-commerce Personalisation
• Contract: 6 months (to start ASAP - max. 4 weeks notice)
• Salary: £105k to £115k basic + bens (PAYE, paid weekly, within IR35)
• Location: Fully remote within the London / South East UK regions

You must be fully clear to work in the UK to be considered - no relocation / no sponsorship

We are looking for an experienced Data Scientist to join a high-growth team focused on ad personalisation and e-commerce optimisation. This role is critical in ad ranking, buyer journey within a large-scale digital advertising ecosystem.

Key Responsibilities:

- Analyse buyer behaviour, experimental results, and data trends to drive ad personalisation and optimisation.

- Work closely with product, engineering, and leadership teams to align data insights with strategic goals.

- Conduct A/B testing, experimental deep dives, and opportunity sizing analysis to improve ad performance.

- Develop data-driven recommendations to enhance user experience and revenue growth.

- Summarise insights for senior stakeholders and contribute to long-term product strategy.

Essential Requirements:

- 8+ years in Data Science, with experience in e-commerce or AdTech - this is a must-have.

- Strong expertise in SQL, Python, and A/B testing.

- Proven background in ad ranking, product recommendations, or user behaviour analysis.

- Ability to communicate insights and influence product strategy.

- Experience in fast-scaling environments (Big Tech, high-growth startups, or similar).

Nice to Have:

- Machine Learning and personalisation algorithm experience.

- Dashboarding and data visualisation for leadership reporting.

Candidates without relevant e-commerce or AdTech experience cannot be considered - this is essential

Interested? Apply now