System Design · SoFi · Hard
You are the first data scientist hired by a consumer fintech company whose mobile home screen currently presents several financial products in a hand-tuned order: high-yield savings, credit cards, personal loans, student-loan refinancing, and brokerage/investing. The product team wants to replace the static ordering with a personalized ranking system. These are not ordinary content items. Each product has an eligibility gate involving state-licensing rules,…
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