The Operating System of Retail
Data Scientist
Location
United Kingdom
Posted
3 days ago
Salary
£60K - £70K / year
Seniority
Senior
Job Description
Data Scientist
Focal Systems
• Own analytical problems end to end from problem framing and metric definition through data acquisition, modeling, validation, and stakeholder rollout • Build predictive and inferential models such as forecasts, propensity and uplift models, and survival or duration analyses, where they meaningfully improve a product or operational decision • Develop statistical methods and reusable analyses for measuring performance, including detection accuracy, intervention impact, and downstream operational outcomes • Partner with Product, Engineering, and Operations to define key metrics, implement new features, and translate business questions into well-scoped analytical work • Audit system outputs and provide structured feedback that improves product accuracy and reliability • Communicate findings through dashboards, written analyses, and stakeholder presentations that lead to concrete decisions • Help define best practices around data quality, experimentation, modeling, and reproducibility, and contribute to the team’s data contracts and SOPs
Job Requirements
- 5+ years of experience as a Data Scientist, Quantitative Analyst, or similar role, with a track record of shipping analyses and models that changed product or business decisions
- Strong proficiency in SQL, including complex CTEs, window functions, and query optimization
- Strong proficiency in Python for data work, including pandas, NumPy, and experience with statsmodels or other relevant tools
- Solid grounding in applied statistics: hypothesis testing, regression, experimental design, and uncertainty quantification
- Experience designing and analyzing A/B tests or other controlled experiments in a product setting
- Experience building at least one class of predictive model end to end, for example forecasting, classification, or propensity modeling
- Experience with data visualization and BI tools, and the ability to turn an analysis into a clear narrative
- Excellent written and verbal communication, with the ability to influence cross-functional partners without authority
- Ability to work independently, manage multiple priorities, and drive ambiguous projects to completion.
Benefits
- Competitive Salary & Attractive Stock
- Generous Paid Time Off
- Pension
- Sick Leave
- Parental Leave
- Learning and Development Budget
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