From Amazon to Zoom, nearly every mid to senior-level software engineer interview now includes a dedicated System Design round (~45-60 minutes). Typically you’ll be expected to whiteboard a production-grade feature (think URL shortener, real-time chat, or ride-sharing dispatch) while interviewers probe areas like requirements gathering and scope control, back-of-the-envelope sizing (traffic, storage, bandwidth), component selection (databases, caches, queues, CDNs), trade-offs: latency vs consistency, cost vs redundancy and failure modes, monitoring, and rollout safety
With this adaptive roadmap, you’ll lock down distributed-system fundamentals, then drill into canonical interview problems using proven frameworks to approach any software engineer system design challenge.
From Amazon to Zoom, nearly every mid to senior-level software engineer interview now includes a dedicated System Design round (...Show More
WHAT YOU'LL LEARN
A structured playbook for any software-engineer System Design interview, covering requirements clarification, ball-park sizing, trade-off analysis, and production validation.
Core building blocks such as DNS, load balancers, distributed caches, databases, message queues, and CDNs — and how to assemble them into web-scale services.
Straightforward formulas for estimating QPS, storage, and network throughput in seconds.
Latency, availability, and consistency tactics such as caching hierarchies, replication, sharding, and CAP-aware design.
Monitoring and alerting fundamentals drawn from real outage post-mortems, so you can detect and remediate issues early.
Interview communication techniques that sharpen time management, whiteboard clarity, and stakeholder-friendly trade-off narration.
A structured playbook for any software-engineer System Design interview, covering requirements clarification, ball-park sizing, trade-off analysis, and production validation.
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Learning Roadmap
2.
System Design Interviews
System Design Interviews
Getting Ready for the System Design InterviewThe Do’s and Don’ts of the System Design InterviewSystem Design Interview Trap: Why Engineers Fail and SucceedHow Long Does It Take to Prepare for a System Design Interview?System Design Mock InterviewsLet AI Evaluate Your System Design Interview Preparation
3.
Preliminary System Design Concepts
Preliminary System Design Concepts
4 Lessons
4 Lessons
4.
Non-Functional System Characteristics
Non-Functional System Characteristics
7 Lessons
7 Lessons
5.
Back-of-the-Envelope Calculations
Back-of-the-Envelope Calculations
2 Lessons
2 Lessons
7.
Domain Name System
Domain Name System
2 Lessons
2 Lessons
8.
Load Balancers
Load Balancers
3 Lessons
3 Lessons
9.
Databases
Databases
5 Lessons
5 Lessons
10.
Key-Value Store
Key-Value Store
5 Lessons
5 Lessons
11.
Content Delivery Network (CDN)
Content Delivery Network (CDN)
7 Lessons
7 Lessons
12.
Sequencer
Sequencer
3 Lessons
3 Lessons
13.
Distributed Monitoring
Distributed Monitoring
3 Lessons
3 Lessons
14.
Monitor Server-Side Errors
Monitor Server-Side Errors
3 Lessons
3 Lessons
15.
Monitor Client-Side Errors
Monitor Client-Side Errors
2 Lessons
2 Lessons
16.
Distributed Cache
Distributed Cache
6 Lessons
6 Lessons
17.
Distributed Messaging Queue
Distributed Messaging Queue
7 Lessons
7 Lessons
18.
Pub-Sub
Pub-Sub
3 Lessons
3 Lessons
19.
Rate Limiter
Rate Limiter
5 Lessons
5 Lessons
20.
Blob Store
Blob Store
6 Lessons
6 Lessons
21.
Distributed Search
Distributed Search
6 Lessons
6 Lessons
22.
Distributed Logging
Distributed Logging
3 Lessons
3 Lessons
23.
Distributed Task Scheduler
Distributed Task Scheduler
5 Lessons
5 Lessons
24.
Sharded Counters
Sharded Counters
4 Lessons
4 Lessons
25.
Concluding the Building Blocks Discussion
Concluding the Building Blocks Discussion
4 Lessons
4 Lessons
26.
Design YouTube
Design YouTube
6 Lessons
6 Lessons
27.
Design Quora
Design Quora
5 Lessons
5 Lessons
28.
Design Google Maps
Design Google Maps
6 Lessons
6 Lessons
29.
Design a Proximity Service/Yelp
Design a Proximity Service/Yelp
5 Lessons
5 Lessons
30.
Design Uber
Design Uber
7 Lessons
7 Lessons
31.
Design Twitter
Design Twitter
6 Lessons
6 Lessons
33.
Design Instagram
Design Instagram
5 Lessons
5 Lessons
36.
Design WhatsApp
Design WhatsApp
6 Lessons
6 Lessons
37.
Design Typeahead Suggestion
Design Typeahead Suggestion
7 Lessons
7 Lessons
38.
Design a Collaborative Document Editing Service/Google Docs
Design a Collaborative Document Editing Service/Google Docs
5 Lessons
5 Lessons
39.
Design a Deployment System
Design a Deployment System
2 Lessons
2 Lessons
40.
Design a Payment System
Design a Payment System
2 Lessons
2 Lessons
41.
Design a ChatGPT System
Design a ChatGPT System
2 Lessons
2 Lessons
42.
Design a Data Infrastructure System
Design a Data Infrastructure System
3 Lessons
3 Lessons
43.
Spectacular Failures
Spectacular Failures
4 Lessons
4 Lessons
44.
Concluding Remarks
Concluding Remarks
2 Lessons
2 Lessons
45.
Free System Design Lessons
Free System Design Lessons
14 Lessons
14 Lessons
46.
System Design Case Studies
System Design Case Studies
5 Lessons
5 Lessons
Certificate of Completion
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