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Visa Senior Software Engineer Interview Experience

Senior Software Engineer

Visa
August 28, 2025
4 Questions
Selected

Summary

AI Powered

The Visa interview process consisted of two rounds and involved various technical challenges. Round 1 focused on coding questions, including a variation on flattening a linked list and designing a REST API with error handling, while Round 2 dealt with algorithmic problems and system design, such as maximizing pass ratios and developing a logging system. Overall, the interview experience at Visa was technical and moderately challenging, emphasizing both coding and design skills.

1

Round 1

#1

Flattening a Linked List Variation

Explain how to flatten a linked list, which is a list of linked lists, into a single linked list. Discuss your approach, challenges faced, and how you would implement this in your code.
linked-list
golang
coding-interview
Medium
#2

Design a REST API with Error Handling

Design a REST API for a given application. Detail the endpoints, data flow, and error handling you would implement. Additionally, construct the high-level design (HLD) outlines for the API.
rest-api
hld
golang
software-design
Medium
2

Round 2

#1

Maximum Average Pass Ratio Variation

Given a set of exams with the current pass ratios, develop an algorithm to maximize the average pass ratio through strategic retakes. Present your algorithm’s approach and logic.
greedy-algorithm
problem-solving
coding-interview
Medium
#2

Design a Logging System

Design a Logging System that can handle high throughput and low latency requirements. Discuss the components, flow, high-level design (HLD), and possible bottlenecks in your design.
system-design
logging
hld
golang
Medium
golanghldrest-apidesign-patternslogging-systemvisa
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