Data Scientist II

Our engineering group is split into roughly 60 product teams, each owning its services end to end, with on-call shared across time zones. Headquartered in Sydney since 2006, the company now sells in 40 countries and supports customers in 11 languages. We started in 2006 and have grown to about 590 people. Most engineers work remotely and come into the office one week a quarter for planning.

The role

The role is new and comes from growth in our client base. Expect messy, real data and a fair amount of time on feature engineering and validation. Our team is spread across 6 countries. Headquarters is in Sydney. Employment is through our payroll partner in the US. Salary is paid monthly in USD. You will need some overlap with Australian Eastern time in the mornings.

Essential duties and responsibilities

• Pull and shape data with SQL from Snowflake, BigQuery or Databricks
• Translate vague business questions into problems the data can actually answer
• Validate model performance and document assumptions and limitations
• Review peers' analyses for statistical correctness
• Segment customers and build churn and lifetime value models
• Estimate causal effects with difference-in-differences, propensity matching or regression discontinuity
• Design and analyze A/B tests, including power calculations and guardrail metrics

What you need

• 2+ years of applied data science experience
• Experience building and validating machine learning models on real business data
• Solid grasp of statistical inference, regression and experimental design
• Comfort with Jupyter, VS Code or Databricks notebooks
• Strong Python (pandas, NumPy, scikit-learn) and SQL
• Data visualization in matplotlib, seaborn, Plotly or a BI tool
• Ability to communicate uncertainty and tradeoffs to non-technical audiences

Compensation: $118,000 - $151,000 a year DOE.

Benefits

• Public holidays observed per your country
• Annual salary review
• Monthly internet allowance
• Company laptop
• Paid sick days
• Health insurance through our employer-of-record partner

EOE. We participate in E-Verify.

Please include a short note on why this role interests you.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Galestead Data Pty Ltd.