Round 1: Assignment to fetch and process data using Shopify. Round 2: Technical round covering coding patterns, system design, server architecture, React, JavaScript, PM2, and scaling. Round 3: HR discussion, salary negotiation, and final offer

I applied through a recruiter. I interviewed at Anatta. I was given a page to build and had been asked to choose a programming language of my choice. The recruiter would call up daily to check up on the progress, it seemed it was one of his project's page which he needed ASAP. And once I had delivered the task, they sent me a rejection mail without any reasons and completely ghosted my call.