Topic

backend engineering articles

Focused reading for candidates preparing stronger examples, sharper technical stories, and more credible interview answers.

System Design28 min read

The Ultimate System Design Mental Model: Mapping Real-World Problems to Technologies

How restaurant menus, Domino's kitchens, airport boards, warehouses, libraries, and flight control rooms explain the technologies senior engineers choose in system design interviews

A book-style system design guide that maps real operational bottlenecks to technologies like Redis, Kafka, WebSockets, object storage, Elasticsearch, Cassandra, DynamoDB, CDNs, API gateways, retries, and observability.

Open article