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Interviewing with OKX (Backend Software Engineer)

· One min read
Ang Xuan Ze



OKX is a large-ish crypto exchange that is hiring in Singapore. However, they do not have presence in SG and US.


Overall Experience: Okay
Difficulty: Hard
Received Offer: No

First Round (Senior)

  • Talk about hash map implementation
  • Hash function, probing, collisions
  • If a hashmap only has a few buckets populated, what can we optimize
  • Error handling
  • How is error handling being done
  • Benefits of catching exceptions
  • Coding
  • 🔴 420. Strong Password Checker