Snapchat iOS Fulltime SDE Onsite Interview Experience and Questions

Snapchat | Mobile | Onsite

Timeline: 2026(Jan - Mar) • Fulltime • JobHopper • :hourglass_not_done: Waiting for result


I had an onsite interview with Snapchat for a Software Development Engineer position focused on iOS development. The interview consisted of multiple rounds including technical questions, a coding challenge, and behavioral interviews.

In the first round, I was asked about my experience with iOS development and the projects I’ve worked on. I covered my journey of building apps, API integration, and performance optimization techniques.

The coding challenge involved a problem where I had to implement a feature in a large codebase. I was assessed on my coding style, problem-solving skills, and how I communicate while coding.

In the behavioral round, the interviewer probed about team dynamics and how I handle conflicts in team settings. Some situational questions were asked to evaluate how I would fit into their culture.

The overall interview experience was positive, although I felt challenged at times. I appreciated the friendliness of the team and their emphasis on collaboration.

Interview Questions

Two Sum

Given an array of integers, return indices of the two numbers such that they add up to a specific target.

Difficulty: Easy | Reference: LC-1 | Tags: Array, Hash Table

Binary Tree Level Order Traversal

Given a binary tree, return the level order traversal of its nodes’ values.

Difficulty: Medium | Reference: LC-102 | Tags: Tree, Breadth-First Search