Visa Inc. Software Engineer interview experience

Once that cleared, the process moved into three follow-up rounds: a DSA-focused technical round, then another interview that mixed DSA with general software-engineering questions, and finally a manager round that felt close to system-design plus HR-style discussion.

The interview questions themselves leaned heavily toward classic data-structure work. I remember doing things like moving zeros to the end with a two-pointer approach, writing tree creation logic to answer height/depth of a binary tree, and building linked lists and trees from scratch. There were also graph tasks—creating a graph