senior data scientist.

A fast-growing, high-impact international organisation is seeking a hands-on Senior Data Scientist to take ownership of the day-to-day analytics engine and machine learning models for an established international platform across the UK and Canadian markets.

Day to day responsibilities include:

• Production System Health: Oversee, refresh, and retrain the live ML model suite without needing to overhaul the underlying architecture. Keep an eye on model performance and drift.
• Commercial Analytics: Monitor baseline UK/CA performance metrics, investigate sudden anomalies, and triage operational issues across partner feeds, marketing campaigns, and recommendation logic.
• A/B Testing & Insights: Track active experiments, analyze reads, and make confident calls on promotional rollouts.
• Regulatory Compliance: Handle time-sensitive data extraction requests-including FCA reporting, DSARs, and compliance pulls-often under tight turnaround times.
• Cross-Functional Ownership: Act as the single point of contact for technical data matters across product, marketing, engineering, and legal/compliance teams.

• 5+ Years Experience: Proven track record in live, production-grade data science and commercial analytics.
• Technical Stack: Advanced SQL and Python (or R) skills to maintain existing codebases and pipelines.
• Model Stewardship: Practical expertise in monitoring, troubleshooting, and retraining live ML models.
• Autonomous Operator: High self-direction to manage daily BAU operations with minimal oversight.
• Clear Communicator: Able to translate complex technical issues into actionable business insights.

Desirable Skills

• AI Tools like Claude code, OpenAI or similar