Dropbox Software Engineer Interview Questions
Practice the exact questions companies are asking right now.
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Build a hit/miss word guessing game
Two players play a word guessing game. - Player A chooses a secret word. - Player B repeatedly guesses single letters. - After each guess, the game re...
Scale a file-crawling API using async jobs
You implemented a synchronous API that lists all files under a directory (recursive crawl). Now you need to scale it. Part A — Scaling discussion (no ...
Return all files under a path
You are building a simple file crawler. Task Implement an API/function: - Input: a filesystem path rootPath - Output: a list/array of all file paths c...
Implement feedback for word guessing game
You are implementing the core logic for a simple word-guessing game. There is: - A dictionary of valid words: a list of distinct lowercase strings, al...
Implement hierarchical folder access check
You are asked to simulate a simple hierarchical file system and implement an access-check function. The file system consists of folders arranged in a ...
Design file-processing API with long-running jobs
You are asked to design an HTTP-based API and high-level backend architecture for processing files in a cloud storage service (similar to a simplified...