Dex
Staff Data Scientist (up to £220k)
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This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process.
If you're interested sign up to Dex to apply.
Dex
Dex is an AI recruiter agent that helps you run your job search. Tell Dex your stack, seniority, and what you want to build. We will manage your applications and surface other opportunities that are a fit.
The role
This company is bootstrapped, profitable from day one, and has scaled to tens of millions of users, disrupting how major brands acquire customers. They're one of Europe's fastest-growing companies, building the future of marketing by rewarding a massive community for engaging with products.
As a Staff Data Scientist, you won't just be building models; you'll be a foundational leader in a growing team, shaping the product and data strategy. This is a high-impact seat where you'll combine hands-on technical depth with cross-functional leadership to optimize user incentives and build scalable, data-informed decision-making systems. It's not a siloed research role; it's about driving measurable business outcomes.
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The work
- Design and deploy ML models for user personalization, optimizing engagement and conversion within a high-scale user acquisition context.
- Architect and refine incentive reward systems to drive user motivation, retention, and improve in-app ROI.
- Define and implement technical best practices for data product ownership, experimentation, and measurement across the team.
- Drive the definition and implementation of key performance indicators, ensuring data science initiatives directly align with business outcomes.
- Mentor and elevate junior data scientists and analytics engineers, fostering a culture of high standards and scalable practices.
What You Bring
- 5+ years deploying ML models in a product-driven environment, ideally within high-scale user acquisition, AdTech, or incentive systems.
- Expertise in advanced statistical modeling, including complex experimentation design, uplift modeling, and causal inference.
- Strong command of Python and SQL, with practical experience in cloud platforms (GCP preferred) and modern data engineering workflows (e.g., DBT, Airflow).
- Proven ability to lead cross-functional initiatives, communicate complex technical concepts clearly, and influence product strategy.
- Must be eligible to work in the UK and willing to work from the London office.
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Why apply through Dex
This isn't a role you'll find easily. High-impact, rapidly growing companies like this often fly under the radar, making them hard to discover and even harder to get into. Dex helps you cut through the noise, get properly briefed on the company and role (including the name), and apply with an unfair advantage. Skip the cold application process and ensure your profile stands out for this rare opportunity.
If you're interested, sign up to Dex to apply - https://jobs.meetdex.ai/jobs/071f4c89-feb0-41b4-936b-301f0db6762c
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