Wayfair SDE-intern interview questions

Coding Round The core part of the interview focused on solving coding problems. I was given [number of questions] questions on data structures and algorithms, including topics like: Example Question 1: [e.g., "Find the second largest and smallest element in an array."] Example Question 2: [e.g., "Determine if a target sum can be achieved with two numbers from an array."] I demonstrated my approach, explained my thought process, and discussed time and space complexities. 3. Conceptual Questions The interviewer also tested my understanding of core computer science concepts, such as: Object-Oriented Programming principles (e.g., encapsulation, polymorphism). Database normalization and query optimization. Networking concepts like the TCP/IP model. Example: "Explain the difference between multithreading and multiprocessing and where you’d use each." 4. Debugging and System Design I was presented with a debugging scenario where I identified and fixed logical errors in a given code snippet. Additionally, there was a brief discussion on designing a scalable system, like building a URL shortener or a library management system. 5. Behavioral and Situational Questions Towards the end, the interviewer asked situational questions to understand my teamwork, problem-solving, and communication skills. For instance: "Explain a time you faced a technical challenge and how you resolved it." "How do you prioritize tasks when working on multiple projects?"