Design a shopping cart. Defend your decisions. Additionally, string compression algorithm, design a system to scale to 10,000 users, word reverse with preserved white space.

Question

Sigiloso · Accepted Answer

Since we were constrained to a monolithic design for the cart, I stated my preferences for breaking up the various services/concerns such as the Cart itself, Payment, Address, Order Item, Product,  Shipment, Customer, etc. We walked through various processes required. The other problems are fairly straight forward; design; defend; refactor.

Sigiloso · Answer

The key in these questions is to cover the fundamentals, and be ready for the back-and-forth with the interviewer.
      

Might be worth doing a mock interview with one of the Microsoft or ex-Microsoft  Senior Software Engineer experts on Prepfully? They give real-world practice and guidance, which is pretty helpful.
      

prepfully.com/practice-interviews

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