Company Preparation

Take separate company-specific test sets

Amazon

This Library

2 sets available
22 curated prompts
4 recurring pattern drills

Amazon Preparation

Amazon test sets

Sets that lean into practical frontend execution, debugging, and ownership-style follow-up reasoning.

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2 separate sets22 curated prompts
AmazonMachine TestMixed

Frontend Screen

A practical Amazon-style round focused on DOM flow, event handling, fetch usage, and data manipulation under time pressure.

45 min12 promptsDOMEvents
AmazonFollow-up RoundAdvanced

Ownership & Debug Round

A follow-up Amazon-style test set centered on debugging pressure, production tradeoffs, and error-safe async handling.

40 min10 promptsDebuggingError handling

Pattern Practice

Practice recurring company interview patterns

Jump to patterns
4 pattern drills3 aligned with Amazon
Execution & DOM FlowMixed

Implementation speed, DOM updates, and event flow

Practice the recurring machine-test pattern where data transforms, DOM updates, events, and fetch calls must all connect under time pressure.

40 min10 promptsAmazon
ArraysObjectsDOM
Async Debug ReasoningAdvanced

Promises, async/await, debugging, and error ownership

Rehearse the recurring loop where interviewers push on async mental models, bug isolation, error ownership, and follow-up reasoning.

45 min10 promptsAmazon · Google
PromisesAsync/AwaitDebugging
Data Structure JudgementAdvanced

Mental models, edge cases, and structure choice

Use a mixed round built around array, object, and closure judgement so you can explain tradeoffs instead of only reciting definitions.

45 min10 promptsAmazon · Google
ArraysObjectsClosures
Browser Platform ThinkingAdvanced

Storage tradeoffs, browser APIs, and async semantics

Train for the browser-systems pattern around storage choices, cookies, IndexedDB, fetch semantics, and platform-level tradeoffs.

45 min10 promptsGoogle
Web StorageCookiesIndexedDB