Visa SDE Interview Experience

Round 1: Online Coding Assessment
- Topic: Data Structures & Algorithms (DSA)
- Format: 4 Questions
* 1 Easy: Two Pointers
* 2 Medium: String, Array, and HashMap
* 1 Hard: Dynamic Programming (DP)

Round 2: Technical Interview
- Topic: DSA & Core Computer Science Concepts
- Questions & Discussions:
* 1 Medium-level DSA problem (Strings)
* Cloud infrastructure discussion (GCP deployment)
* Microservices architecture questions
* Object-Oriented Programming (OOP) concepts

Round 3: Technical Interview + System Design (LLD)
- Topic: System Design patterns and implementation
- Questions & Discussions:
* 5–10 minute discussion on System Design patterns
* Design a Transaction History System (Low-Level Design)
* Coding: Word Search II (LeetCode)

Key Takeaways:
- System Design (LLD) is important to prepare even for fresher roles.
- Focus on handling pressure, tackling follow-up questions, and clear communication.

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💻 OA | Coding Test | Interview  Help
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