I applied online. The process took 1 week. I interviewed at Yelp in Apr 2015
Interview
I applied online, the recruiter contacted me after 3 months for a different rule (I applied for a summer intern and she contacted me for a fall intern). we arranged for a phone call and she asked me a lot of behavioral questions.
Interview questions [1]
Question 1
Just study those for the recruiter interview :) With love <3
Behavioral:
- Why Yelp? (obvious one)
- Why would we hire you?
- If you could do anything at Yelp, what would you do?
- Yelp throws a Hackathon 3 or 4 times a year (gives additional details about the contest), what would you submit?
- What is the most difficult project that you've worked on?
- What is your ideal work environment?
- What's your favorite programming language? Why?
- What are some disadvantages of that language?
Technical:
- What does SSL stand for, explain what it does?
- Maximum value of unsigned integer?
- Number of bits in an octal?
- How to retrieve a row from a table in SQL
- SQL command to move a row in a table?
- protocol used to transfer message in HTTP application
- port number for HTTP
- performance of binary tree if implemented thru array or linkedlist?
- which one of the following describe inner join? 1. A intersection B, 2. A Union B and ...
- Which signal does linux uses to kill a process
- What's the difference between TCP and UDP?
- Explain in detail the steps/processes that occur from the moment you type a URL in a browser and hit enter.
- Time complexity of adding things to Linked List
- What does HTML stand for?
- What is SSH?
- how many bytes are in an integer?
- How many bits of an integer?
- What is the command for viewing memory management information in Linux?
- What is the best and worst case time complexities for a hash table?
- How many bytes does a 32 bit operating system work with?
- What is the time complexity of searching in a linked list
- What is DNS?
- What is SQL?
- some command in linuz(grep, kill)
- TCP?
- Time complexity of binary search
- How would you find a method in a file
- How would you find whether a remote computer is online or not
- How does the domain name map to ip address
- How many bits in a short?
- How to delete in the SQL table
- What's a HTTP GET/POST/PUT?
- How cookies are working?
- HTTPS?
I applied online. The process took 2 months. I interviewed at Yelp (San Francisco, CA) in Jun 2018
Interview
I applied for a role in the infrastructure team.
I was contacted by a recruiter to do a 15 minute hacker rank. The problem description was long, so be careful and make sure you understand it.
Following that, I had a 45 minute technical interview with an engineer. We talked about Yelp, my background, and he asked some general questions about scaling. I then answered a technical question on a live coding link. Following this stage, I had 2 final 45 minute interviews with an engineering manager and an engineer that were similar in format. Two weeks later, I got an offer.
Interview questions [1]
Question 1
How would you read in a file that was too big for main memory? What if you had multiple computers?
I applied through college or university. The process took 2 weeks. I interviewed at Yelp (Waterloo, ON) in Feb 2017
Interview
Pleasant Interview, the guy mentioned a couple of things about the company, talked about my projects, and asked me about some specifics. Asked about some technical knowledge and then went on to the technical question. Then there was another guy to do the behavioral interview, talked about the position itself and some of the things about yelp.
Interview questions [1]
Question 1
Easy implementation question, given a position, move it around based on a bunch of commands that would be given in a list.
I applied through college or university. The process took 2 months. I interviewed at Yelp
Interview
I applied for the data mining position. Started with a Hackerrank challenge. Then a Skype screen (45 minutes, talked about resume, NLP related questions about categorizing reviews and did a coding question). Finally two back to back 45 minute long Skype interviews, same as the phone screen.
The process took quite a while with some difficulty with availability initially. However the recruiters were always flexible with rescheduling.
Interview questions [1]
Question 1
If restaurant categories have integer IDs and some can be marked as duplicates of others, design a library to store and retrieve such duplicate sets. If you query an ID it should return the smallest duplicate. You should be able to mark duplicates etc.