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Walmart Labs Technical Interview Questions

Review this list of Walmart Labs technical technical program manager interview questions and answers verified by hiring managers and candidates.
  • Walmart Labs logoAsked at Walmart Labs 

    Explain how you would design Google Play Store, including your choice of database, its structure, and rationale.

    2 answers

    "I started off with defining the users of the system. From them i dervied the functional requirements and categories into MoSCoW. Then for the DB part, Userprofiles, App data to be stored in a RDBMS. The binary apps to be stored in a scalable, distributed DB such as S3. The app data from RDBS to have a link to S3 URLS. Then i touched upon Partition tolerance while scaling, Replication, Caching at multiple levels, Load balancers at multiple levels. This being my first System design interview i"

    Anand K. - "I started off with defining the users of the system. From them i dervied the functional requirements and categories into MoSCoW. Then for the DB part, Userprofiles, App data to be stored in a RDBMS. The binary apps to be stored in a scalable, distributed DB such as S3. The app data from RDBS to have a link to S3 URLS. Then i touched upon Partition tolerance while scaling, Replication, Caching at multiple levels, Load balancers at multiple levels. This being my first System design interview i"See full answer

    Technical Program Manager
    Technical
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