Chime Data Manipulation (SQL/Python) Interview Questions
Master your tech interview with our curated database of real questions from top companies.
3Questions
1Company
3 Questions 1 Company
Showing 3 results
Chime
Medium
Data ScientistAnalyze Acquisition Channels for User Value and Retention
acquisition | user_id | acquire_channel | acquire_date | | 101 | organic | 2023-01-05 | | 102 | paid_search | 2023-01-06 | | 103 | social_media | 2023...
Data Manipulation (SQL/Python)
52
0
Aug 4, 2025
Chime
Medium
Data ScientistWrite SQL for noisy A/B launch metrics
PostgreSQL. Today is 2025-09-01. You’re given the following schema and toy samples: users(user_id INT, country TEXT, signup_date DATE, marketing_chann...
Data Manipulation (SQL/Python)
0
0
Oct 13, 2025
Chime
Medium
Data ScientistWrite rolling-window SQL over weekly cohorts
You have two tables: users and transactions. Write a single SQL query (use CTEs) to produce, for each calendar week and user, weekly_revenue, a 4-week...
Data Manipulation (SQL/Python)
0
0
Oct 13, 2025