ALEX - Alternative Experts Software Engineer Interview Questions

The questions to prepare for a ALEX - Alternative Experts Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Maintaining Code Quality Under Speed

Medium

Tests ownership and prioritization in balancing delivery speed with maintainable mobile code and deliberate technical debt management.

best practicesfast-paced environmentcode maintainability

ALEX - Alternative Experts

More Behavioral & Leadership questions with a free account

Two Sum Index Lookup

Easy

Find two indices in an array whose values sum to a target using a hash table in O(n) time.

Hash TablesArraysTwo Pointers

ALEX - Alternative Experts

Reverse a Linked List

Medium

Tests algorithmic thinking and in-place pointer manipulation skills.

Linked ListsData StructuresAlgorithms

ALEX - Alternative Experts

Breadth-First Search Implementation

Medium

Tests your ability to implement graph traversal correctly and efficiently.

bfsGraphs

ALEX - Alternative Experts

Maintainable and Scalable Code

Easy

Tests engineering practices that support long-term maintainability in production infrastructure software.

Hash TablesArraysSorting

ALEX - Alternative Experts

Null Handling in SQL

Medium

Tests your ability to write correct SQL logic when NULLs affect filtering, joins, and aggregations.

null handlingsqldata integrity

ALEX - Alternative Experts

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