Zepto ditched its legacy monolithic architecture powered by PostgreSQL and Redis in favour of MongoDB’s NoSQL platform. “The biggest motivating factor was when we saw that MongoDB provides in-memory caching,” said senior architect Mayank Agarwal.
This shift enabled Zepto to handle six times more traffic without breaking a sweat. Improved query performance, real-time analytics, and streamlined ETL pipelines meant faster page loads, better conversion rates, and smoother operations.
But the story doesn’t end at databases. AWS played a crucial role in Zepto’s scaling, from its first dark store in Mumbai to over 200 nationwide. “AWS helped us achieve a quick MVP and scale in ways no one had tried before,” said co-founder Kaivalya Vohra. Meanwhile, the company now faces scrutiny over pricing discrepancies between Android and iPhone users, fueling fresh debates about algorithmic fairness.
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