1️⃣ DSA (Data Structures & Algorithms)
Focus Areas:
Arrays, strings, hash maps, recursion, time & space complexity, problem-solving approach.
Example Question:
Given an array of integers, find the length of the longest subarray with a sum equal to K. Explain your approach and analyze the time complexity.
2️⃣ System Design
Focus Areas:
Scalability, data flow, APIs, fault tolerance, trade-offs, real-world constraints.
Example Question:
Design a scalable system for a URL shortening service. Explain how you would handle high traffic, data storage, and failure scenarios.
3️⃣ Behavioral
Focus Areas:
Communication, ownership, teamwork, conflict resolution, decision-making.
Example Question:
Describe a situation where you faced a major technical challenge. How did you approach the problem, and what was the outcome?