System Design Interview: How to Design a Chat App Like WhatsApp | Codekra

Problems Paths Blogs Typing Leaderboard

Feedback Pricing

Codekra

Practice, learn and get hired — from fundamentals to advanced system design.

support@codekra.com

Newsletter

Get weekly problems, tutorials and tips.

No spam, just the good stuff.

Platform

Problems
Learning Paths
Daily Challenge
Leaderboard
Blog

Company

About
Contact
Pricing
Terms

Support

Report a bug
Request a feature
FAQ

© 2026 Codekra — Built for learners and doers.

Found a bug? Let us know

System Design Interview: How to Design a Chat App Like WhatsApp | Codekra