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February 12, 2026 · 1 min read

How would you design an Express.js application to handle large file uploads while ensuring performance and reliability?

To handle large file uploads in an Express.js application, I would use a streaming approach with middleware like ‘multer’ or ‘busboy’. This allows processing files in chunks rather than loading…

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📅 Feb 12, 2026 ⏱ 1 min read

HW

How would you design an Express.js application to handle large file uploads while ensuring performance and reliability?

COVER // HOW WOULD YOU DESIGN AN EXPRESS.JS APPLICATION TO HANDLE LARGE FILE UPLOADS WHILE ENSURING PERFORMANCE AND RELIABILITY?

To handle large file uploads in an Express.js application, I would use a streaming approach with middleware like ‘multer’ or ‘busboy’. This allows processing files in chunks rather than loading them entirely into memory, which enhances performance and reduces memory usage.

express middleware performance uploads

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