Visa Inc. Software Development Engineer (SDE) interview questions

1. Online Assessment (OA) Duration: 75 minutes. Content: Coding problems: Algorithms and data structures (e.g., arrays, strings, graphs, dynamic programming). 2. Technical Interviews (3 Rounds) a. Project Discussion Deep dive into your projects, focusing on: Architecture and design decisions. Technologies used. Challenges faced and solutions implemented. Scalability, performance, and security considerations. b. CS Fundamentals Topics: Data Structures: Arrays, linked lists, stacks, queues, trees, graphs, hashmaps etc. Algorithms: Sorting, searching, recursion, dynamic programming, backtracking. System Design: Basic concepts like designing scalable systems, databases (SQL/NoSQL). OOP Concepts: Inheritance, polymorphism, abstraction, encapsulation. Databases: SQL queries, normalization, indexing.