Round 1 (machine coding round) : Typically you are asked to write a working code for an online e-commerce application like Amazon , Flipkart etc Apis : - List of items based on location and availability - Add item and create cart - Filter Items based on Price , Ratings and Delivery Preference You are required to construct the low level design and provide working code in 90 mins Few Key Points - - Use OOPs constructs extensible wherever needed - Follow Proper Coding Standards - Startup with DAO classes and Database Design and then come upto controller layer - Good to have Junits (if time permits) Round 2 (DS ALGO) : - Given a root to a binary tree and two nodes , find out whether two nodes are cousins or not. (Nodes at same level but from different parent) - Given an array of start time and end times of meetings , find the maximum no of meetings that can be arranged in a room (Condition for meetings - start time of next meeting > end time of current meeting) Round 3 (DS/Algo , Design) : - Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from DEL. Thus, the itinerary must begin with DEL. -Detailed discussion on the current architecture of the project which I was working on. Major highlighting parts were , Different Load Balancing paradigms you are aware of , what are the loopholes of the current architecture and if given a chance what alteration will you bring. Round 4 (Managerial Round) : - Mostly discussion on the current team I am part of - Challenges I faced - Tell me an incident where you had a fight/argument with someone senior in the team - A Tech Question About Distributed Locking Round 5 (HR) : - Mostly situational based questions and few discussions on the current roles and responsibilities.
