London Data & ML Lead: Build & Own from Day One

Dex; Greater London; On-site; GBP 140,000 - 210,000; Full time

Job summary

Dex is partnering with a fast-growing European platform building its first dedicated data and ML presence in London. You will lead that function from day one, growing a team from a single hire to ten over the next year while remaining a hands-on contributor with design, code, and model reviews.

The work is applied and commercial: reward optimisation, real-time personalisation, offer ranking. You will translate business priorities into technical plans and drive impactful outcomes across the

Responsibilities

• Lead the London data and ML function, defining its roadmap and technical strategy.
• Drive applied ML initiatives across reward optimisation, real-time personalisation, and offer ranking.
• Build and scale a high-ownership team from scratch, setting the technical bar and interview process.
• Contribute technically through design reviews, code reviews, and model reviews.
• Translate business priorities into technical plans, ensuring direct impact on company-level outcomes.

Job description

Dex is partnering with a fast-growing European platform building its first dedicated data and ML presence in London. You will lead that function from day one, growing a team from a single hire to ten over the next year while remaining a hands-on contributor with design, code, and model reviews.

The work is applied and commercial: reward optimisation, real-time personalisation, offer ranking. You will translate business priorities into technical plans and drive impactful outcomes across the