Coding and Algorithms: Problem Solving: "Write a function to reverse a linked list." Data Structures: "How would you implement a stack using two queues?" Algorithms: "Describe an algorithm to find the shortest path in a graph." System Design: Scalability: "Design a URL shortening service (like bit.ly). How would you handle millions of requests per day?" Architecture: "How would you design a chat application? What considerations would you have for scalability and fault tolerance?" Database and SQL: Queries: "Write an SQL query to find the second highest salary from an employee table." Schema Design: "How would you design a database schema for an e-commerce application?" Programming Languages: Language-Specific: "What are the main differences between Python 2 and Python 3?" (for Python roles) Language Features: "Explain the concept of garbage collection in Java." Behavioral Questions Past Experiences: "Tell me about a time you faced a significant challenge o