Principal Data Scientist (Gaming)

TL;DR

Principal Data Scientist (Gaming): Lead and develop advanced data science and machine learning solutions to enhance gameplay, player engagement, and business outcomes in the gaming industry with an accent on reinforcement learning, causal inference, and scalable experimentation. Focus on designing complex modeling frameworks, driving data-informed decision-making, and collaborating across teams to deliver impactful data products.

Location: Hybrid in London, United Kingdom. Candidates must be authorized to work in the UK without visa sponsorship.

Company

hirify.global is a global leader in gaming, creating top-grossing social casino titles with a diverse team across multiple international offices.

What you will do

• Lead end-to-end data science initiatives including problem framing, methodology, experimentation, and impact measurement.
• Build and deploy machine learning and reinforcement learning models to improve player engagement and monetization.
• Develop and maintain modeling frameworks for causal inference, uplift modeling, and forecasting.
• Collaborate with game teams to define metrics and translate analytics into actionable product decisions.
• Set engineering standards for model validation, reproducibility, and quality assurance.
• Drive scalable experimentation using A/B and multi-armed bandit testing frameworks.

Requirements

• PhD or MSc in Data Science, Computer Science, Statistics, Mathematics, or related field, or equivalent experience.
• 5+ years professional data science experience with at least 3 ML products delivered to production.
• Proficiency in clustering, predictive modeling, reinforcement learning, and Bayesian statistics.
• Hands-on experience with software engineering, MLOps, and scalable ML model deployment.
• Strong skills in SQL, Python, and familiarity with big data technologies and cloud platforms.
• Must be authorized to work in the UK without visa sponsorship.

Culture & Benefits

• Inclusive culture with a People First principle and global team collaboration.
• Opportunities for career growth and skill development.
• Recognized as a Global Inspiring Workplace and awarded for great employer practices.
• Remote team presence across multiple countries with hybrid work in London office.