Round 1: Online Assessment (OA) Platform: HackerRank Duration: 90 minutes Format: 2 coding questions + 10 MCQs Topics: Data Structures and Algorithms (DSA), Time Complexity, Basic SQL, and OOPs concepts Difficulty Level: Medium to Hard My Approach: Focused on solving problems with optimal time and space complexity Round 2: Data Structures and Algorithms (DSA) Format: 1-on-1 Coding Interview (Virtual) Duration: 60 minutes Questions: 2 DSA problems (Graph + Sliding Window) Follow-up: Optimized solution and edge case handling Key Focus: Problem-solving approach, code efficiency, and clean code practices Round 3: Low-Level System Design (LLD) Duration: 75 minutes Problem Statement: Design a URL Shortener System Focus: Class design, API structure, database schema, and design patterns Follow-up: Scalability and handling concurrent requests Round 4: High-Level System Design (HLD) Duration: 90 minutes Problem Statement: Design a scalable real-time chat application (similar to WhatsApp) Focus: Architecture, Database sharding, Caching, Load balancing, and Queueing systems Follow-up: Handling millions of concurrent users and ensuring low latency Round 5: Hiring Manager + HR Round Duration: 60 minutes Discussion: Past projects, team collaboration, leadership, and cultural fit Negotiation: Salary expectations and career growth