Uber Application Developer 2 - Salesforce interview questions

3 rounds a. Technical - Interview questions related to project and some general salesforce questions involving some coding. b. Coding round - Asked to design a solution and code about it. c. System design/Integration - Given a complex scenario, I was asked to design a solution and tell different pros/cons and choose the best solution. It was related to integrating Salesforce with some 3rd party solutions involving large number of transactions per day.