Backend Interview Preparation
Basic Git Concepts Git Commands & Usage Branching, Rebase, Conflict Advanced Git Concepts GitHub Specific Questions
Fundamental Caching Questions Cache Operations & Mechanics Distributed Caching Web & HTTP Caching Caching in Databases & Applications Scenario & Design Questions Performance, Metrics & Tradeoffs
Fundamental CI/CD Basics Tools, Configs & Implementation Deployment Strategies Security & Best Practices Testing & Quality Scenario & Behavioral
Load Balancing – Core Concepts Load Balancing Algorithms Load Balancer Types Health Checks & Fault Tolerance Load Balancing in Microservices & Distributed Systems
Fundamental Indexing Questions (Basics) Index Behavior & Performance Impact Practical & SQL-Level Index Questions Advanced & System-Level Index Concepts Scenario & Behavioral / Problem Solving Questions Tips for Answering These During Interviews ✔ Always relate your answer to performance impact and real use cases. ✔ Use practical examples like search, sorting, joins, aggregation, etc. ✔ […]
Core Scalability Concepts Load Handling & Traffic Management Data Storage & Database Scaling High-Level / Real Systems Advanced & Scenario-Based Tips for Answering Scalability Questions ✔️ Clarify requirements first: Ask about traffic patterns, data size, SLAs, and failure expectations.✔️ Draw architecture diagrams: Use boxes and arrows to show components and data flows.✔️ Discuss trade-offs: E.g., […]
Core REST API Fundamentals REST API Mechanics & Design Error Handling & Responses Security & Authorization Performance, Caching & Scalability Data Formats & Serialization Testing, Documentation & Best Practices Real-World Design & Architecture Tips for answering these questions in MNC interviews:
Basics & Definition Communication & Interaction Service Discovery & API Routing Security Data Management Testing DevOps, CI/CD & Deployment Observability (Logging, Monitoring, Tracing) Resilience & Fault Tolerance Advanced Design / Scenario Questions
AWS Basics — Core Concepts AWS Networking & Security AWS Storage & Databases AWS Compute & Scaling AWS Monitoring & Management AWS Advanced Fundamentals Interview Tips
Basic Docker Concepts Docker Commands & Operations Dockerfile & Building Images Networking & Storage Docker Compose & Orchestration Tips to Prepare ✔ Understand practical Docker workflows and hands-on commands.✔ Prepare real-world use cases you’ve worked on (CI/CD, microservices, multi-container apps).✔ Practice writing and explaining Dockerfiles, Compose files, and network configs.