Lead Data Scientist

Christy Media Solutions; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading media technology company in London is seeking a hands-on Senior Data Scientist. The role focuses on building and improving recommendation and personalization models for a large-scale streaming product. You will be responsible for delivering models from ideation through experimentation to production, collaborating closely with engineering and product partners. A strong emphasis on execution and impact is expected, along with opportunities to mentor others.

Responsibilities

• Build and improve recommendation and personalisation models.
• Own delivery from ideation through experimentation to production.
• Collaborate closely with engineering and product partners.

Job description

A hands‑on senior data science role focused on building and improving recommendation and personalisation models for a large‑scale streaming product.

This role owns delivery within a defined problem space — taking models from ideation through experimentation to production — while collaborating closely with engineering and product partners. There’s scope to influence approach and mentor others, but the emphasis is on execution and impact.