Medium2026-09-19
First Unique Number in a Stream
UberSDE-2 (Backend)Business Phone Screen (DSA)
DesignHashMapQueue+1
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Question of the Day
Hard2026-09-20Uber
Design a Chat Application like ChatGPT
SDE-2 (Backend)Onsite (HLD)
System DesignStreamingDatabase DesignLLM
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Pending2026-09-14
Tekion Staff Software Engineer — R1 Technical Screening
Round 1 technical screening for Staff Software Engineer at Tekion. Two classic problems with a twist — the 100 Lockers toggle puzzle and the two-corner Coin Game (optimal play).
Tekion1 rounds8 YOE
Rejected2026-09-12
Uber SDE-2 Backend — Rejected Despite Solving Both DSA
3.3 YOE FAANG engineer interviewed for Uber SDE-2 Backend. Solved all DSA problems completely but still got rejected — HLD and one DSA round were the killers. A reminder that solving isn't enough; code quality matters.
Uber6 rounds3 YOE
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