Interview prep · Amazon

Practise Amazon interview questions.

Free practice for Amazon SDE, PM, and EM interviews. Leadership-principle behavioural prep, system-design back-of-envelope estimation, MCQ library, and real Amazon interview write-ups.

What the Amazon loop actually looks like.

Amazon's loop has its own grammar: every round (technical or otherwise) is graded against the 16 Leadership Principles. Bar Raisers ask LP questions in the middle of a coding round. SDE loops include coding + system design; SDM loops swap coding for behavior + management depth.

Coding rounds

Algorithms, data structures, occasionally OO design. LP questions woven in throughout — "tell me about a time you..." mid-coding is normal.

System design (SDE II+)

Practical and component-focused: caching layers, queues, idempotency, retries. Capacity estimation expected.

Bar Raiser

An interviewer from outside the team whose job is to keep the bar high. Heavily LP-anchored.

Leadership Principles (every round)

Customer Obsession, Ownership, Bias for Action, Dive Deep — bring 2–3 specific stories per principle.

Topics Amazon interviewers lean on.

Algorithms (graph, DP, recursion)OO design (LRU cache, parking lot, etc.)Distributed systems trade-offsCapacity planning mathBehavioral storytelling (LP-mapped)

What separates offers from rejections at Amazon.

  1. 1

    Memorise the 16 LPs. Map two stories per principle. Without these you cannot pass.

  2. 2

    For Bar Raiser, bring your sharpest, highest-impact story.

  3. 3

    On system design, walk through capacity early — it's a signal for Dive Deep.

  4. 4

    STAR-format your behaviorals: Situation → Task → Action → Result. Result with a number.

Train the muscle, not the answer.

Free unlimited MCQs, AI-graded guesstimate practice, and a tutor that explains anything. The same platform candidates from Amazon use to prep.

Sources

Round-format and topic claims are sourced from the public interview-prep press above. We refresh these as companies update their loops.