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Tech(x) Software Engineer Interview Questions

The questions to prepare for a Tech(x) Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Hash Table vs Binary Search TreeEasy

Compare hash tables and binary search trees by structure, operation costs, ordering, and when each is the better choice.

Hash TablesbstData Structures

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Tech(x)

Histogram for Repeated Words

Medium

Tests your ability to implement correct data processing logic for text analytics.

Recently asked

Tech(x)

Binary Search Character Search

Medium

Assesses your ability to apply binary search correctly to string problems.

binary searchstring manipulation

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Tech(x)

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K-Means System DesignHard

Evaluates your ability to design and scale an ML workflow beyond basic implementation.

scalingAlgorithms

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Tech(x)

Design a System Prompt

Hard

Evaluates your approach to system design from an open-ended prompt.

system designProblem Solving

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Tech(x)

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SQL Query Writing

Medium

Assesses your ability to translate requirements into correct SQL.

sql

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Tech(x)

3-Day Rolling Average of Tweets

Medium

Evaluates your ability to write SQL for time-based aggregations and window logic.

sql

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Tech(x)

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Tradeoffs Question

Medium

Assesses your ability to reason about competing constraints and make engineering decisions.

Decision MakingTrade-offs

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Tech(x)