Chime Data Scientist Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Propose Innovative Ideas and Convince Others Effectively
Behavioral Interview Prompts (Data Scientist, Phone Screen) Context You are interviewing for a Data Scientist role with a focus on product impact, col...
Design and Analyze A/B Test for Recommendation Widget
Scenario You are designing and analyzing an online A/B test for launching a new recommendation widget in a consumer-facing product (e.g., mobile and w...
Determine Key Metrics for Spend-Tracker Launch Decision
A/B Decision Framework: Spend-Tracker Feature Context A fintech app ran an A/B test (Test vs. Control) on a new Spend-Tracker feature. Results are spl...
Analyze 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...
Write 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...
Design an A/B launch amid marketing confounds
You’re running a virtual launch (soft roll-out) of a new fitness tracker product to US+CA users from 2025-08-10 to 2025-08-24 with a 50/50 user-level ...
Decide launch with CPA-profit trade-offs by segment
You receive an Excel with segment-level metrics for an A/B feature test. Decide whether to launch the feature for all users, only a segment, or not at...
Write 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...
Design an Effective A/B Test for Algorithm Launch
Design an A/B Test for a New Mobile App Recommendation Algorithm Context A mobile app team plans to ship a new recommendation algorithm that ranks con...
Navigate Complex Product Challenges in Behavioral Interviews
Behavioral & Leadership Phone Screen — Rapid-Fire Prompts Context You are interviewing for a Data Scientist role in a fast-paced phone screen focused ...