Principal Data Scientist

More than 980 employees work on the product, from search ranking to fraud detection. White Apps operates consumer websites and apps used by tens of millions of people each month. Core hours are 10 to 3, and the rest of the day is flexible.

About the role

Looking for a Principal Data Scientist who wants to stay somewhere for a while. The Forecasting team works directly with product and finance. You'll design experiments, build forecasts and explain the results. Remote within Canada. The team meets in Vancouver once a quarter, travel covered. Most of our work is async, and meetings are kept short. Communication happens mostly in Slack and short video calls.

Your responsibilities

• Estimate causal effects with difference-in-differences, propensity matching or regression discontinuity.
• Segment customers and build churn and lifetime value models.
• Develop time series forecasts with Prophet, statsmodels or gradient-boosted approaches.
• Pull and shape data with SQL from Snowflake, BigQuery or Databricks.
• Build predictive models in Python using scikit-learn, XGBoost or LightGBM.
• Work with ML engineers to move models into production and monitor drift.
• Partner with data engineering on feature tables and data quality.

Minimum qualifications

• Ability to communicate uncertainty and tradeoffs to non-technical audiences.
• Familiarity with Git and working in shared codebases.
• Experience building and validating machine learning models on real business data.
• MS or PhD in statistics, economics, computer science, physics or another quantitative field, or a BS plus equivalent experience.
• Solid grasp of statistical inference, regression and experimental design.
• Data visualization in matplotlib, seaborn, Plotly or a BI tool.

What we offer

• Extended health and dental benefits.
• Group RRSP with employer matching.
• Parental leave top-up.

We review applications on a rolling basis.

Start: Flexible.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at White Apps.