Status: Working as Software Engineer\nPosition: Software Engineer in Uber\nLocation: New York\n\n**Technical Phone Screen**\n* Questions related to time and space complexity of HashMap, ArrayList and TreeMap.\n* Single LinkedList and Doubly LinkedList\n* Questions on reducing DB calls (sharding, memcached etc) \n* Questions on making API calls faster (in-memory data grids)\n* Questions on microservices architecture.\n\n**Onsite Interview (4 rounds)**\n*Round 1: (Whiteboard session)*\n* Write an algorithm to print all combinations of characters that could represent using the numbers typed: [Letter Combinations of a Phone Number](https://leetcode.com/problems/letter-combinations-of-a-phone-number/description/)\n\n*Round 2: (Engineering Manager)*\n* Cultural and behavioral interview\n* Questions on conflicts within team and outside team\n* Strengths and Weakness\n\n*Round 3: (Architecture Interview)*\n* Design Uber eats\n* How to implement caching\n* Geolocation based user tracking\n* Node Clustering and Database replication\n\n*Round 4: (Coding Interview)*\n* Design LRU cache with runtime O(1) : [LRU Cache](https://leetcode.com/problems/lru-cache/)\n\nStressful interview but, overall experience was good.

Status: Working as Software Engineer\nPosition: Software Engineer in Uber\nLocation: New York\n\nTechnical Phone Screen\n Questions related to time and space co