Real questions from top companies in System Design/Architecture
What architecture are you following in your current project, and why?
CDC During Migration - explain approaches for real-time Change Data Capture
Briefly explain the architecture of Kafka.
Describe the data pipeline architecture you've worked with.
Explain the trade-offs between batch and real-time data processing. Provide examples of when each is appropriate.
Can you explain the trade-offs you made during the design process?
Describe a scenario where you had to optimize a slow-running data pipeline.
Designing Mixpanel - event-driven analytics platform
How did you ensure scalability and reliability in your design?
How do you handle schema mismatches during merging?
How would you design the schema for transactional data storage?
How would you handle a schema change when new files arrive?
How would you handle massive data ingestion in a cloud environment?
Mapper and Reducer design for solving Two-Sum
What would you do if a critical data pipeline failed during a holiday?
Architect a solution to handle notifications for millions of users with varying preferences.
Build a banking system architecture from scratch, highlighting critical workflows, scalability, and data management strategies.
Business Role of Data Pipeline
CAP Theorem
CI/CD implementation across environments (DEV, QA, UAT, PreProd, PROD)
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