Experience Level
3-5 Years
Real interview questions with expert answers, plain-English explanations, and practical examples. (200 questions)
Intuit
Cloud Engineer
Networking
How do you design secure and performant hybrid cloud connectivity, considering services like VPC peering, VPNs, and Direct Connect?
Microsoft
Full Stack Developer
Performance Optimization
How do you optimize a web application’s initial load time and perceived performance?
PayPal
Full Stack Developer
Performance Optimization
What are the common performance bottlenecks in a modern full-stack web application, and how would you diagnose and resolve them?
LTIMindtree
DevOps Engineer
Containers & Kubernetes
Explain Kubernetes Deployment strategies like RollingUpdate, Recreate, Blue/Green, and Canary, and discuss their trade-offs.
Airbnb
Security Engineer
Containers & Kubernetes
How do you secure a Kubernetes cluster end-to-end, from image build to runtime, and what common misconfigurations should be avoided?
Google
SRE
Containers & Kubernetes
How would you diagnose and troubleshoot a Pod that is continuously crashing or failing to start in Kubernetes?
Mphasis
DevOps Engineer
Monitoring
How do you build an effective monitoring strategy for a new microservice architecture, integrating metrics, logs, and traces?
LTIMindtree
Data Engineer
Message Queues
How do message queues handle consumer scaling and failure scenarios in a high-throughput data pipeline?
Zomato
Mobile Developer
Performance Optimization
How would you identify and resolve common performance bottlenecks in a production mobile application?
IBM
Network Engineer
Networking