I had applied through their website and was then contacted by a recruiter. I was asked to determine my availability within the next three weeks for a 45-minute phone interview. The whole interview was done using a shared HackerRank screen.

The interviewer was very friendly and helpful.

• Languages:

  • Differences between Java and C++
  • Garbage collector in Java (how it works)
  • Static vs. dynamic memory allocation

• Data Structures:

  • Linked lists
  • Queues
  • Stacks
  • Heap
  • Trees

• OOP:

  • Polymorphism
  • Design patterns I have used before

• Algorithms:

  • Sorting algorithms I know and their complexity
  • How to search for a number in an array (sorted and unsorted cases)

• Coding Question:

  • Reverse a singly linked list