The interview consisted in: - Initial conversation with the recruiter - Conversation with the hiring manager - Tech challenge - Tech challenge follow up - I think a cultural fit meeting after I went through the process until the point of delivering the tech challenge. They say it takes around 4.5 hours (if I recall correctly), but that's far from reality. Overall, developing the system that will consume and send data (in a synchronized, concurrent way), consolidate the data, and have all this tested, took me more than 1500 lines of code. I sent my challenge resolution, and got told that I'd get feedback shortly. After four days, I sent an email to ask the status, and I got a general email saying that they decided to go forward with other candidate. No feedback was given.