What does the HTTP status code 404 indicate?

The requested resource was not found

Which of the following make code more maintainable? (Select all that apply.)

Duplicating logic to avoid abstractions

What does the acronym API stand for?

Application Programming Interface

Application Process Integration

What is the main purpose of a unit test?

Verify a small piece of code works in isolation

Automatically format source code

Which sorting algorithm has the best AVERAGE-case time complexity here?

Insertion sort — O(n squared)

Selection sort — O(n squared)

What is a key benefit of code review?

Catching bugs and sharing knowledge before code is merged

Replacing the need for automated tests

Slowing down every release on purpose

Engineering Screening: Fundamentals

A fast, fair first-round screen for engineering candidates. These code-aware questions cover the fundamentals every developer relies on daily — complexity, data structures, version control, APIs, testing, and clean-code judgment.

12 auto-scored questions with explanations. Use it as a top-of-funnel filter before you invest interviewer time, or let candidates self-assess. Add a time limit in the editor for a timed screen.

Two developers reviewing code on monitors in an office