System design mock interview: "Design WhatsApp or Telegram" (with ex-Google EM)

GET 1-to-1 COACHING for system design interviews: https://igotanoffer.com/en/interview-coaching/type/tech-interview?utm_source=Youtube&utm_medium=eng-video&utm_campaign=mark-spotify System design mock interview: "Design a messaging app like Whatsapp or Telegram" with an ex Google Engineering Manager, Mark. Book a coaching session with Mark: https://igotanoffer.com/?utm_source=Youtube&utm_medium=eng-video&utm_campaign=mark-spotify 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 the leading career coaching marketplace ambitious professionals turn to for help at high-stakes moments in their career. Get a job, negotiate your salary, get a promotion, plan your next career steps - we've got you covered whenever you need us. Come and find us: https://igotanoffer.com/en/coach/mark-3?utm_source=Youtube&utm_medium=eng-video&utm_campaign=mark-spotify