Onsite Interview Questions
172 questions available. Practice with AI-powered feedback.
Other rounds
Visa Coding Interview: Memory Allocator Allocate/Erase
Visa memory allocator: implement allocate [0,k] and erase [1,idx] on a 0/1 array. Key strategies: segment-tree, range updates. Prepare for coding interviews.
Visa ML Coding Question: Linear Regression Implementation
Implement linear regression with gradient descent (MSE) for Visa ML interviews. Return params (incl. bias) and per-epoch loss history; see tips and expected outputs.
Visa System Design: Scalable A/B Experiment Service
Build a scalable A/B experiment service for Visa: deterministic variant assignment, admin overrides, multi-tenant data model, logging, and rollout APIs. Guide
WalmartLabs System Design: Multi-Region Notification Service
Design a multi-region notification service for WalmartLabs — high availability, low latency. Learn architecture, failover, routing, and monitoring to prep.
Get More Real Onsite Questions
Practice onsite interview questions with AI-powered hints, analysis, and feedback.
Start Free Practice