You should know a lot before applying.
In the first round, expect questions on BFS and DFS (modified island problem), along with a few questions about data structures like tries, queues, stacks, and etc.
The second round included questions on cumulative sum, binary search, and a modified binary tree.
System design questions were about designing a certain feature. Basic system design knowledge should be enough.
Tell me about a time when you had a conflict.
The following metrics were computed from 1 interview experience for the Snap Software Developer role in United Kingdom.
Snap's interview process for their Software Developer roles in the United Kingdom is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Snap's Software Developer interview process in United Kingdom.