Head of Data Science

Traffic during holiday peaks can reach ten times normal levels, and the platform is built for it. Our engineering, trust and safety, and customer support teams work across offices in Los Angeles and several other countries. Core hours are 10 to 3, and the rest of the day is flexible.

Job summary:

This is a new role. The team has doubled in size over the past year. The Data Science team works directly with product and finance. You'll design experiments, build forecasts and explain the results. Employment is through our payroll partner in India. Salary is paid monthly in Indian rupees. Our standups are at 9:00 AM Pacific. We use Slack, Notion and Google Meet. Cameras on for team calls.

Duties:

• Present findings to product, marketing and finance leaders with clear recommendations.
• Segment customers and build churn and lifetime value models.
• Design and analyse A/B tests, including power calculations and guardrail metrics.
• Package reusable code instead of leaving it in one-off notebooks.
• Partner with data engineering on feature tables and data quality.
• Work with ML engineers to move models into production and monitor drift.

What you need:

• 10+ years of applied data science experience.
• Solid grasp of statistical inference, regression and experimental design.
• MS or PhD in statistics, economics, computer science, physics or another quantitative field, or a BS plus equivalent experience.
• Familiarity with Git and working in shared codebases.
• Experience building and validating machine learning models on real business data.
• Strong Python (pandas, NumPy, scikit-learn) and SQL.
• Data visualization in matplotlib, seaborn, Plotly or a BI tool.

Preferred qualifications:

• Causal inference beyond A/B testing.
• Spark for large datasets.
• Bayesian methods with PyMC or Stan.
• Pricing or marketing mix modelling.

Salary range: ₹57,00,000 - ₹70,00,000 pa

What you get:

• Annual learning budget.
• Two weeks of paid leave at year end.
• Flexible hours.
• Company laptop.
• Health insurance through our employer-of-record partner.

We review applications as they come in.

Start: Within 30 days.

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