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Stripe Medium Interview Questions

8 medium-level practice questions for Stripe technical interviews

coding Medium Verified Question #1

1. Shipping Cost Calculator


Category: Algorithm coding problem
You are building a shipping cost calculator for an international e-commerce platform. The cost depends on the destination country and the product...
Input: Integer(s)
Output: Computed result
coding Medium Verified Question #2

2. Transaction Fee Calculator


Category: Trie-based coding problem
You are building a fee calculation system for a payment processing platform. Given transaction data as a CSV string, calculate fees based on payment...
Input: String
Output: Computed result
coding Medium Verified Question #3

3. Bitmap to Image Conversion


Category: Grid/matrix coding problem
You are designing a bitmap character rendering system. Given a lookup table mapping characters to 2D binary arrays, implement functionality to print,...
Input: 2D grid
Output: Printed output
coding Medium Verified Question #4

4. [Onsite Integration] Bike Map


Category: Trie-based coding problem
You are building a map visualization tool that generates static maps from location data. Implement a system that reads GPS coordinates, constructs...
Input: Array
Output: Computed result
coding Medium Verified Question #5

5. Content Validation Pipeline


Category: String coding problem
A platform ingests user-generated content records in a simplified CSV format. Before indexing or displaying any content, each record must pass a...
Input: Array of strings
Output: Array
coding Medium Verified Question #6

6. Support Ticket Dispatcher


Category: Graph coding problem
A customer support platform assigns incoming tickets to agents to keep workloads balanced. You are given a list of agent names and a list of tickets...
Input: Graph (nodes and edges)
Output: Array
coding Medium Verified Question #7

7. Order Payment Reconciler


Category: String coding problem
A billing system needs to match incoming payments to open orders. Each payment arrives as a comma-separated string with three fields: a payment ID, a...
Input: List
Output: Computed result
coding Medium Verified Question #8

8. Service Usage Cost Calculator


Category: Array coding problem
A cloud billing module computes the total cost for a customer's monthly usage. You are given a usage_report specifying the target region and...
Input: Array
Output: Computed result

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