Cracking Snapchat's iOS SDE Interview: Tackling Fibonacci Trees & Image Processing

Snapchat | iOS Fulltime SDE | Interview Experience

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

Interview Process

The interview process was quite extensive. It began with a technical phone screen where I was asked about iOS development principles and basic algorithms. I felt confident about the questions and managed to answer them well. The next step was onsite interviews which included a mix of technical and behavioral questions.

During the onsite, I faced multiple rounds of coding problems. One interesting problem involved implementing a particular function related to image processing, requiring a good understanding of both Swift and performance optimization techniques. The interviewers were very supportive and encouraged me to think out loud while solving the problems.

I also had a few behavioral interviews where they focused on my experiences and how I would approach team dynamics in real scenarios. They seemed interested in how I handled conflicts and challenges in past projects.

Overall, I left the interview feeling optimistic but also a bit anxious about the wait. I appreciated the experience and the insights I gained about Snapchat’s work culture and engineering processes.

Technical Questions

  1. Fibonacci Tree Path Calculation (Tree, DFS)
  2. Tree Distance Sum Problem (Tree, DFS, BFS)

Tips & Insights

  • Be prepared to discuss your experiences with team dynamics and conflict resolution.
  • Practice coding problems related to image processing and optimization techniques.
  • Think out loud during coding interviews to demonstrate your thought process.