1 min read
Sales backend

Description

A high-performance CSV ingestion pipeline using Node.js streams with back-pressure handling.

Processed 200 MB files in ~40 seconds with just 750 KB runtime memory usage and on a 3.5 GHz CPU.

Delivered non-blocking REST APIs and ensured system stability under large input loads.

Modeled real-world e-commerce flow (Products, Customers, Orders) for end-to-end backend integration.

Tech stack: Node.js, Express, Stream APIs, Knex.js, PostgreSQL

PS: The repo has been made private to avoid plagiarism. (Yes, building and polishing such a prototype may enable you to earn! 😁)

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