Lead Backend Developer Interview Questions

12,381 lead backend developer interview questions shared by candidates

Technical Questions How would you make this more efficient? (Expected answer involved using Promise.all) How does asynchronicity work in JavaScript? The live coding task was to refactor code with callbacks and make it clean and readable. The take-home challenge involved establishing a connection using Tray's CDK. Cultural Fit Questions
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Jr Backend Developer

Interviewed at Tray.ai

3.7
Mar 25, 2025

Technical Questions How would you make this more efficient? (Expected answer involved using Promise.all) How does asynchronicity work in JavaScript? The live coding task was to refactor code with callbacks and make it clean and readable. The take-home challenge involved establishing a connection using Tray's CDK. Cultural Fit Questions

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