Front End Engineer Interview Questions

14,983 front end engineer interview questions shared by candidates

Build an app with a login and register mechanism that allows users to draw in the browser and either save them to their account or post them publicly. Include a page where users can browse public drawings. Drawings must include metadata about them, like time taken to draw, creation date, etc. Implement a pen tool with different stroke widths with at least five color choices. Implement an eraser tool. Implement a time travel feature where users can see replays of drawings as they were drawn. Consider architecture, code correctness, production readiness, quality, browser responsiveness, mobile experience, line curvature smoothing and Retina displays. Front and back ends must be separate. Any technology may be used other than for the drawing functionality, which must be vanilla JS.
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Front End Engineer

Interviewed at Talkspace

2.7
Sep 16, 2020

Build an app with a login and register mechanism that allows users to draw in the browser and either save them to their account or post them publicly. Include a page where users can browse public drawings. Drawings must include metadata about them, like time taken to draw, creation date, etc. Implement a pen tool with different stroke widths with at least five color choices. Implement an eraser tool. Implement a time travel feature where users can see replays of drawings as they were drawn. Consider architecture, code correctness, production readiness, quality, browser responsiveness, mobile experience, line curvature smoothing and Retina displays. Front and back ends must be separate. Any technology may be used other than for the drawing functionality, which must be vanilla JS.

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