Uber Software Engineer interview questions

Round 1: Technical Assessment hosted on Codesignal (3 questions-60 minutes) : Around 550 students participated in this round. Round 2: Tech Interview(45-50 minutes) : 8 students were selected for this round Round 3: Tech Interview(45-50 minutes) : Only 2 students were selected for this round Round 4: HR Round(30 mins) : The same 2 students were called for this round But no one got the offer!

Received message from Uber recruiter via Linkedin. Got an interview after the first call with HR. The first one is phone-screen. An algorithm question, middle level. The second one is on-site in SF. 4 rounds: 2 algorithm, 1 system design, 1 small project