SoFi Data Scientist Interview Questions
The questions to prepare for a SoFi Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Differentiate between Type I and Type II errors in hypothesis testing with a practical example.
SoFiCalculate the lifetime value (LTV) of a new SoFi Invest member and decompose factors influencing it.
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Compare two rent prediction models and decide whether MAE or RMSE is the better selection metric given costly large errors.
SoFiA structured approach for designing a new feature in an existing product, from user need to MVP and success criteria.
SoFiBuild an imbalanced binary classifier for card fraud detection using class weighting, resampling, and threshold tuning with PR-focused evaluation.
SoFiExplain how you have collected data from source systems and validated it before loading it into analytics tables.
SoFiDesign an A/B test to determine whether a pricing change on the a16z subscription product improves durable revenue versus temporarily shifting buyer behavior.
SoFiExplain how to tune a slow PostgreSQL query that joins several large transaction tables using indexes, join strategy, and partitioning.
SoFiUse window functions and date bucketing to identify which queues drive backlog growth over time.
SoFi
OpenAIAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreCompute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.
ADP