Katkat

practice a little every day, paws crossed ♡

Member of Technical Staff Interview Questions

Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.

9403
Questions
546
Companies
11
Topics
8
Languages

Showing 1–2 of 2 results

  • SalesforceMediumMember of Technical Staff
    Design an Idempotent Payment Processing Platform

    Design a resilient payment platform that guarantees zero duplicate charges and safely resolves ambiguous downstream gateway timeouts.

    System DesignOnsiteDistributed SystemsPaymentsIdempotency
  • SalesforceMediumMember of Technical Staff
    Track Top-K Frequent Elements from an Unbounded Stream

    Tests the ability to architect a distributed streaming system for continuous top-k frequent element tracking over unbounded data streams, evaluating trade-offs between exact counts and probabilistic heavy-hitter algorithms under scale, state management, and fault-tolerance constraints.

    System DesignOnsitesystem-designstreamingtop-k