Fannie Mae Interview Questions
Practice the exact questions companies are asking right now.
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Fannie Mae
Medium
Data ScientistUnderstand SQL Aggregations and Joins: Key Differences Explained
Employees +----+--------+--------+---------+ | id | name | salary | dept_id | +----+--------+--------+---------+ | 1 | Alice | 70000 | 1 | ...
Data Manipulation (SQL/Python)
75
0
Jul 12, 2025
Fannie Mae
Medium
Data ScientistDesign Test Cases for UI Change: Ensuring Quality and Functionality
Mission-Aware QA Collaboration: UI vs. Backend Testing and Test Design Context You are interviewing for a Data Scientist role that collaborates closel...
Behavioral & Leadership
70
0
Jul 12, 2025
Fannie Mae
Medium
Data ScientistContrast UI vs backend testing; design UI-change test cases
Part A — Differentiate UI vs backend testing: For a single-page web app backed by a BFF (backend-for-frontend) that calls a payment API, explain preci...
Behavioral & Leadership
0
0
Oct 13, 2025
Fannie Mae
Medium
Data ScientistAssess SQL joins, unions, windows, dedup, and pandas
Using the schema and sample data below, answer all sub-questions. Unless stated, assume ANSI SQL and explain any dialect-specific choices. Schema: - c...
Data Manipulation (SQL/Python)
0
0
Oct 13, 2025