AAPICODE.IO
← All learning paths
Algorithms & Interviews

Interview Prep Path

Algorithm patterns and decisioning case studies that mirror the interview loops at modern fintech and platform companies.

~8 hours total
  1. 1
    Algorithms & InterviewsIntermediate 8 min

    Top Algorithm Patterns for Interviews

    A categorized index of the patterns that explain most LeetCode-style problems — sliding window, two pointers, DP, DFS/BFS, hashing, greedy, and beyond.

  2. 2
    Projects & Case StudiesAdvanced 7 min

    Case Study — Decisioning Platform at Jenius Bank

    How the Credit, Fraud & Risk Technology team rebuilt the decisioning platform: cut P99 from 200ms to 5ms, scaled throughput 3.3x, and shipped 96+ releases without P1 incidents.