Snapchat | iOS Fulltime SDE | Onsite
Timeline: 2026(Jan - Mar) • Fulltime • JobHopper • Pass
This was my onsite interview experience with Snapchat for an iOS Software Engineer position. The interview process included several rounds, each focusing on different aspects of software development and problem-solving.
In the first round, I had a coding interview where I was given two problems to solve. The first problem involved implementing a simple algorithm to manipulate strings, while the second focused on data structures. I made sure to explain my thought process and asked clarifying questions to ensure I was on the right track.
Subsequent rounds included a behavioral interview where I was asked about my previous projects and how I approached teamwork and challenges. The interviewer was particularly interested in my experience with agile methodologies and mobile app development.
Finally, I had a systems design interview where I was asked to design a scalable service for video streaming. I described how I would handle load balancing and user data management. Overall, the interview process was intense but fair, and I appreciated the feedback I received at every stage.
Interview Questions
String Manipulation
Given a string, implement a function to perform specific manipulations such as reversing or changing case.
Difficulty: Easy | Reference: LC-191 | Tags: String
Data Structure Implementation
Implement a specific data structure (like a stack or a queue) and demonstrate its functionality through various operations.
Difficulty: Medium | Reference: LC-225 | Tags: Stack, Queue
System Design: Video Streaming Service
Design a video streaming service that can handle millions of concurrent users. Explain your architecture choices.
Difficulty: Hard | Tags: System Design