Senior Data Scientist
New
F
Focal SystemsRetail AI
Remote in the UK only.Full-TimeSenior
Salary60,000 - 70,000 GBP per year
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Job Details
- Experience
- 5+ years
- Required Skills
- PythonSQLNumpyPandasData visualizationA/B testing
Requirements
- 5+ years of experience as a Data Scientist, Quantitative Analyst, or similar role
- Strong proficiency in SQL, including complex CTEs, window functions, and query optimization
- Strong proficiency in Python for data work, including pandas, NumPy, and statsmodels
- 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
- Experience with data visualization and BI tools
- Excellent written and verbal communication skills
- Ability to work independently and manage multiple priorities
Responsibilities
- 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
- Develop statistical methods and reusable analyses for measuring performance
- Partner with Product, Engineering, and Operations to define key metrics and implement new features
- Audit system outputs and provide structured feedback
- Communicate findings through dashboards, written analyses, and stakeholder presentations
- Help define best practices around data quality, experimentation, modeling, and reproducibility
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