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 project you worked on, focusing on the data pipeline and your role.
Describe a scenario where you had to optimize a slow-running data pipeline.
Designing Mixpanel - event-driven analytics platform
Explain clustering with a real-time example.
Explain how to implement schema validation for incoming data streams.
Explain how you gather and define requirements for a complex data platform project.
Handle midstream schema changes gracefully.
How did you ensure scalability and reliability in your design?
How do you deploy from a development environment to QA and production?
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 data quality issues in a real-time ingestion pipeline?
How would you handle massive data ingestion in a cloud environment?
Type or paste your answer to any of these questions and our AI Coach scores it, highlights gaps, and rewrites it at FAANG quality. Free to try.