Experience Level
5-8 Years
Real interview questions with expert answers, plain-English explanations, and practical examples. (53 questions)
Salesforce
Linux Administrator
Linux
How would you troubleshoot an I/O bottleneck on a Linux server and what tools would you use?
Uber
Data Engineer
Message Queues
As an Uber data engineer, how would you leverage message queues to build a scalable and fault-tolerant real-time data ingestion pipeline?
ServiceNow
Backend Developer
System Design
How would you design a highly scalable and fault-tolerant system for real-time task management at ServiceNow?
Honeywell
SRE
Containers & Kubernetes
How would an SRE manage stateful applications on Kubernetes, considering data persistence, high availability, and disaster recovery?
PayPal
Security Engineer
Containers & Kubernetes
How would a Security Engineer secure a Kubernetes cluster, focusing on best practices for pod security and network isolation?
Cognizant
React Developer
Performance Optimization
How would a Senior React Developer diagnose and resolve performance bottlenecks in a complex Cognizant web application, and what advanced optimization techniques would they employ?
ServiceNow
Backend Developer
Message Queues
How do you handle message processing failures and ensure data integrity using dead letter queues and retry mechanisms?
Salesforce
Backend Developer
Concurrency
Explain consistency models beyond eventual consistency in distributed systems, and how would a backend developer choose one for a critical microservice?
Amazon
Backend Developer
System Design
How would you design a distributed ride-sharing service like Uber or Lyft?
Netflix
Backend Developer
API Design