Senior Data Scientist (AdTech, Gaming)

TL;DR

Senior Data Scientist (AdTech, Gaming): Building and implementing machine learning models to personalize recommendations and optimize user performance, engagement, and conversion with an accent on developing and optimizing incentives and reward structures. Focus on improving data pipelines, visibility, and traceability, and supporting KPI definition for measurable impact.

Location: Hybrid in London or Berlin, 5 days a week in the office.

Salary: £100,000–£130,000 per year, plus bonus.

Company

hirify.global is a fast-growing, bootstrapped unicorn company building the future of marketing by rewarding a community of over 60 million users for engaging with advertisers’ products.

What you will do

• Build and implement machine learning models that personalize recommendations and optimise user performance, engagement, and conversion.
• Develop and optimise incentives and reward structures to motivate and retain users.
• Collaborate with data analytics and engineering to improve data pipelines, visibility, and traceability.
• Contribute to technical best practices, including documentation, measurement plans, and experimentation frameworks.
• Support KPI definition to ensure models, dashboards, and analyses have a clear purpose and measurable impact.

Requirements

• Experience building and deploying machine learning models in a product-focused environment (Gaming, AdTech, or incentive-based systems preferred).
• Strong statistical and modelling knowledge for experimentation, uplift modelling, and causal inference.
• Familiarity with modern data stacks and workflows (e.g., DBT, Airflow, Kubernetes).
• Proficiency in Python and SQL, with experience on cloud platforms (GCP preferred).
• Ability to collaborate effectively across teams and communicate technical concepts clearly.

Nice to have

• Hands-on experience with ML pipelines, model deployment, or adtech systems.
• Exposure to payout, reward, or incentive systems.
• Passion for gaming, data-driven experimentation, and automation.

Culture & Benefits

• Own projects and features with significant responsibility from early stages.
• Opportunity to accelerate career growth in a high-intensity environment.
• Generous bonus scheme rewarding great, proactive work.
• Work with ambitious, high-speed, and high-ownership people.
• Participate in a virtual equity program.