Senior Data Scientist: Production ML & Strategic Impact

2K; Dublin; On-site; EUR 110,000 - 140,000; Full time

Job summary

2K is seeking a Senior Data Scientist (P5) to own end-to-end DS systems and lead high-stakes projects. You’ll partner with marketing, product, and commercial teams to diagnose challenges, define metrics, and build robust predictive models in production.

You will design rigorous experiments, develop models for spend optimization and engagement, and communicate insights clearly to executives while collaborating across the data analytics org to align standards.

Qualifications

• Education: BSc, MSc, or PhD in Mathematics, Statistics, Economics, Computer Science, Data Science, Engineering, or another quantitative field.
• Experience: 3-5 years of professional experience in data science or machine learning, building models with complex datasets, with a consistent impact.
• Data Systems: Relational databases and SQL; work independently within a data warehouse environment.
• Methodological Depth: Knowledge of modeling approaches and iterative performance-based improvements.
• Communication: Excellent verbal and written communication with cross-functional stakeholders.

Responsibilities

• Own end-to-end data science systems architecture and ensure production reliability for models and AI solutions.
• Architect rigorous experimental systems across cross-functional teams with standardized validation.
• Partner with marketing, product, and commercial teams to define metrics, analyses, and interpretations for strategic decisions.
• Lead creation, monitoring, and improvement of statistical models for marketing spend, product growth, and player engagement.
• Design clear narratives and visualizations to communicate data initiatives to senior audiences.
• Collaborate across the data analytics organization to align data sources and standards.

Skills

R or Python programming

SQL / data warehousing

Statistical modeling

Bayesian modeling

Communication with stakeholders

Education

BSc/MSc/PhD in quantitative field

Tools

RStan

CausalImpact

SQL tooling

Job description

2K is seeking a Senior Data Scientist (P5) to own end-to-end DS systems and lead high-stakes projects. You’ll partner with marketing, product, and commercial teams to diagnose challenges, define metrics, and build robust predictive models in production.

You will design rigorous experiments, develop models for spend optimization and engagement, and communicate insights clearly to executives while collaborating across the data analytics org to align standards.