Interview Experiences on Hld

The interview process at Walmart consisted of two rounds that challenged candidates with a variety of technical questions. The first round focused on algorithms and data structures, including tasks like finding quadruplets in an array and solving a heap-based problem. The second round delved into design concepts, featuring questions about the Observer Design Pattern and a High-Level Design for a URL shortener. Overall, the interview experience at Walmart appears to require strong problem-solving skills and a solid understanding of both coding and design principles.

The Visa interview process consisted of two rounds and involved various technical challenges. Round 1 focused on coding questions, including a variation on flattening a linked list and designing a REST API with error handling, while Round 2 dealt with algorithmic problems and system design, such as maximizing pass ratios and developing a logging system. Overall, the interview experience at Visa was technical and moderately challenging, emphasizing both coding and design skills.