Technical Architect interview questions (16)

10 questions

• Design a URL shortener

  Mid
• Design a news feed for 50 million users

  Senior Pro
• Design a chat system like WhatsApp

  Senior Pro
• Design a file storage and sync service like Dropbox

  Senior Pro
• Design a payment system with a double-entry ledger and reconciliation

  Senior Pro
• Design a multi-region active-active architecture

  Senior Pro
• How do you implement a distributed lock, and what can go wrong?

  Senior Pro
• How do you migrate a live database to a new schema or engine with zero downtime?

  Senior Pro
• Design a distributed key-value store

  Senior Pro
• Design real-time collaborative document editing

  Senior Pro