System design mock interview: “Design Telegram“ (with ex-Google EM)

GET 1-to-1 COACHING for system design interviews: System design mock interview: “Design an instant messaging app like Telegram“ with a Google ex Engineering Manager, Mark. Answer framework Mark follows can be found here: A big thanks to Mark for giving a great interview. You can book a interview coaching session with him here: Chapters: 00:00 Intro 01:08 Question - Design Telegram 01:18 Clarifying questions (non-functional requirements) 05:03 Clarifying questions (metrics) 08:45 Clarifying questions (functional requirements) 12:30 High level design (API) 18:05 High level components 21:30 Database 30:57 Drill down (Architecture diagram) 39:40 Drill down (Message distributor) 44:17 Bottlenecks 47:40 Conclusion 50:56 Interview finishes About us IGotAnOffer is an interview coaching platform that helps engineers get a job at top companies like Google, Meta, Amazon, etc. Our coaches are all ex-interviewers with first hand experience of what it takes to get an offer. - Read what FAANG engineers say about us: - Get 1-1 interview coaching and land a job at Google, Meta, Amazon, etc. Browse our coaches: - Subscribe to this channel for more high quality system design mock interview videos coming soon!