Designs

Company tags are community-reported. Counts on cards show how many people reported that design.

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  56. Design a Local Business Review Site like Yelp

  Search 10 million businesses by place, words and category, keep every average rating exact, and keep fake reviews out.

  ClassicMedium

  DatabasesSearchAWS

  +5

  Change data captureGeospatialOpenSearchPostgreSQLReviews

  Worked design

  Practice
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  88. Design a Reviews and Ratings System

  Dish reviews only from customers who ordered them, votes counted from a change stream, reviews ranked by the Wilson bound, payouts made exactly once.

  ClassicMedium

  DatabasesStreamingDistributed systems

  +7

  AWSDynamoDBKafkaRankingRatingsReviewsSocial

  Worked design

  Practice

Each design brings together the brief, practice, examples and discussion.