Cracking HubSpot's Software Engineer Interview: Mastering Object-Oriented Design Challenges

Software Engineering
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HubSpot | Software Engineer | Interview Experience

Interview Date: Not specified
Result: Not specified
Difficulty: Not specified

Interview Process

The interview consisted of an online assessment (OA) with four questions to be completed in 90 minutes. One of the main tasks involved designing a bank system that records various transactions, including deposits, transfers, payments, cashback, merging accounts, and determining the top spender.

Technical Questions

  1. Design a Bank System (Object Oriented Programming, Design)
    • Implement a bank system that handles:
      • Deposit: Records a deposit for a customer.
      • Transfer: Facilitates transfer between two accounts.
      • Payment: Processes a payment for a customer.
      • Cashback: Provides cashback after a payment.
      • Merge Accounts: Merges two customer accounts.
      • Top Spender: Identifies the customer with the highest spending over a time period.

Tips & Insights

  • Be prepared to implement Object Oriented Programming principles.
  • Time management is crucial, as the questions are complex and require careful thought.