Uber Onsite

Culture Fit and Behavioral, Bar Raiser

• 问在工作中有没有帮着做过不属于自己责任的事情

Coding Challenge/ Assignment Deep Dive

In this interview you should go from a problem and a blank screen to a working program/application. These questions involve knowledge of common mobile design idioms. This section isn’t whiteboard coding, we want to see how you can function in an actual programming environment

OO/MVC Design

Design an application using OOP/MVC principles that can scale and handle potential changes. We want to know if you can create a program from scratch with a solid design.

Hiring Manager

Conversation with a manager on an engineering team. Sometimes includes any of the above: coding, problem solving, architecture. Usually spend time talking about your experience, teamwork, past projects, etc. This interview ensures you would be a good fit for Uber, and Uber is a good fit for you. The general focus is on problem solving, passion for Uber, and your entrepreneurial spirit

System Design

• Facebook Messager
• 多从继承的父类平行化，就是吧所有父类按一定顺序列出来
• 旅馆预订系统，写程序，烙印，要自己设计几个类，和预定，删除，和给出一天，返回空房树
• oncall的system。其實就是設計所有的component，能work就成，最後稍微討論了一下scale
• Design Chess Game
• 然後就是design一個聊天工具（簡化版messenger），很多的follow up都是security相關。。。
• Async programming + write class structure的class design
• Cross-functional, bar-raiser: find nearby drivers. http://highscalability.com/blog/ ... arket-platform.html
• api design, table design和query
• stackoverflow。重点在于设计如何在后段存储answer

Algorithms and Data Structures

This portion relies heavily on diagrams and white boarding.

• Add interval
• Find longest substring with k unique chars
• Expression Add Operators
• House Robber
• Meeting room I&II
• Word Ladder
• Minesweeper
• Find median in a data stream
• Follow up find median in a vector
• Search a 2D Matrix
• minimax + a/b prunning
• Course Schedule
• ternary tree的题目，print out the tree
• find island
• Convert Sorted Array to Binary Search Tree
• Interleaving String
• Subsets