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#backend

Articles tagged with #backend

Working of Unified Payments Interface
What is UPI? UPI stands for Unified Payments Interface is a digital payment infrastructure which used by more than 66% of the Indian population. It's known to serve 491 million individuals as of July 2025 and accounts for 85% of all digital transacti...
Dec 7, 20255 min read5
Aggregation Pipelines in MongoDB
The concept of aggregation pipelines in MongoDB is considered one of the complex topics in MongoDB databases. Therefore, it is often found in SDE II or above job roles and rarely for SDE I. In this concept, we generally consider that aggregation pip...
Mar 8, 20245 min read45

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