Marketing Data Science Lead (AI)

Location: Helsinki, onsite; based in Helsinki or London with significant time at the Helsinki headquarters

Company

hirify.global is a Helsinki-based games company creating and operating mobile games including Hay Day, Clash of Clans, Clash Royale, Boom Beach, and Brawl Stars.

What you will do

• Lead marketing data science across performance and user acquisition, brand, product marketing, lifecycle, influencer, community, and partnerships.
• Translate game-team and marketing questions into well-scoped data science projects and deliver outcomes that improve investment decisions.
• Own predictive modeling and measurement from methodology through production and adoption, including pLTV, attribution, incrementality, audience, and signal modeling.
• Set technical standards for applied machine learning, causal inference, mobile games business data science, infrastructure, and production models.
• Identify and ship practical AI applications for creative analysis, model diagnostics, automation, and decision support.
• Lead, mentor, coach, and grow a team of data scientists and analysts, including hiring and setting working standards.

Requirements

• Deep marketing measurement experience in mobile gaming, apps, or a similar digital business, including knowledge of free-to-play games.
• Strong applied statistics, causal inference, classical machine learning, coding, and production data science experience.
• Hands-on experience with CI/CD, monitoring, feature stores, large-scale data warehouses, and real-time inference.
• Demonstrated use of AI tooling in data science workflows and a clear view of practical AI applications.
• Experience leading, mentoring, or managing data analysts or data scientists.
• Ability to be based in Helsinki or London and spend significant time at the Helsinki headquarters.

Nice to have

• 7+ years of applied data science or analytics experience, including significant time in mobile gaming, apps, e-commerce, or ad tech.
• Experience leading or significantly contributing to a data function, including hiring.
• Hands-on experience with PySpark and modern MLOps.
• Experience with SKAN, ATT, privacy-constrained measurement, MMM, brand lift, and quasi-experiments.
• Concrete examples of integrating AI or LLM tooling into data science workflows.

Culture & Benefits

• Independent cells, trust, freedom, and autonomy are central to the working environment.
• Compensation, benefits, and resources are structured to support employees as people.
• A dedicated mobility team and partners support relocation and accompanying family members.
• Accommodation support is available for candidates who need it during the recruitment process.
• The role supports all hirify.global games and works within the wider Data and Insights organisation.