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Job listing

London, United Kingdom£140K – £220K + Equity

Data Scientist at Fast-growing high-growth AdTech startup

Join Europe's #3 fastest-growing company as a Data Scientist and build the future of marketing for over 60 million users. This high-impact role offers a massive £140K–£220K salary plus equity, giving you the chance to design ML models for a profitable, boot-strapped startup on its way to becoming a unicorn. If you are a Python and SQL expert ready to lead experimentation and recommendation systems in the AdTech space, this is the career-defining opportunity you’ve been waiting for.

Overview

Role overview

As a Data Scientist at this high-growth startup, you will design machine learning models that personalize recommendations for over 60 million users. You will optimize incentive structures to improve ROAS, establish technical best practices, and mentor a scaling team. This role is pivotal in driving the future of rewarded user acquisition.

Company

About the company

Fast-growing high-growth AdTech startup

Responsibilities

What you will do

  • Design and implement machine learning models for personalized user recommendations and conversion optimization in gaming acquisition.
  • Build and refine incentive reward structures to maximize user motivation, retention, and in-app return on ad spend.
  • Establish technical standards including measurement plans, experimentation frameworks, and automated workflows using modern data stacks.

Candidate profile

Who this is a fit for

  • Proven experience deploying ML models in product-driven environments like AdTech, Gaming, or incentive-based systems.
  • Deep expertise in statistical modeling for complex experimentation, uplift modeling, and causal impact estimation.
  • Technical proficiency in Python, SQL, and cloud platforms like GCP, with experience in modern tools like dbt and Airflow.

What makes it remarkable

Why this role is remarkable

  • Join one of Europe’s fastest-growing companies that has been profitable since day one, offering a unique blend of stability and hyper-growth.
  • Participation in a virtual equity program ensures you share directly in the success of a business aiming for unicorn status.
  • High-impact environment where you can accelerate your career faster than anywhere else by taking full ownership of complex data products.

Jack & Jill

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.

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How does this work?

Jack's an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack's network.

If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

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