Waterlabs AI Interview Questions and Answers

There were two or three DSA questions in the test, it was easy to complete.

Q1. It was a DSA coding round, also has project discussion. The question has to solved completely without errors. This interview lasted 2 hours for me.
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Q1. There was another DSA coding round as well, I would say a medium level question.
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Q1. API design round. Medium hard question, the interviewer was very friendly.
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Q1. A meeting with HR. They just look to see if you are a decent human being. A bad attitude could result in not getting an offer, but this is generally a breeze.
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Starts with an online assessment test on HackerRank. Expect a LeetCode Medium question most of the time, mostly created by HackerRank.

Q1. LC medium related to dynamic programming.
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Q2. LC easy related to heaps.
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Q1. LC medium-hard, don't remember the category.
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Q1. This was a design round. You can expect to be asked to design the DB schema and API endpoints for a well-known use case. Interviewer was super helpful and receptive throughout. While getting to an agreeabl...read more
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Q1. Hiring manager round. Mostly discussions about your profile, discussion on past projects from your resume. You can do well in this round if you know your basics and can explain your projects to some depth....read more
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Coding questions were around the tech stack I worked on and an easy dsa question

Again discussion on tech stack I worked on and a few questions around it and coding an application of todo list in react

Q1. Discussion with the pod lead and vertical lead of the team where hiring was going on. Sort of qna system design
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They covered all aspects

It was high level design

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Familiar with Agile methodologies

• Completed multiple projects including a web-based inventory management system
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Q1. We are you applied to this job
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Q1. DSA Structures and Tests
Ans. 
Understanding of data structures and algorithms is crucial for software engineering roles.
• Knowledge of common data structures like arrays, linked lists, trees, graphs, etc.

• Understanding of algorithms like sorting, searching, dynamic programming, etc.

• Ability to analyze time and space complexity of algorithms.

• Experience in writing efficient code using data structures and algorithms.

• Familiarity with common data structure ...read more
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Q2. Question on vertx
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Some companies take high level aptitude test , but normal they are normal, if you can't clear aptitude then you need to work hard , they are based on problem solving and with time limit so practice practice practice.

Questions are based on job applied for , if you are freshers then don't wory if you are serious to your studies and practice of coding , questions are basic that are easy to solve the main thing in coding round is you should know what you are writing , what I used to do was try to remember the code ? without understanding it like a parrot , you should never do that , understand the basic concepts , like if you are using loop how that loop is working and running that code you should know that , in coding round the first question interviewer will ask is explain your code .. if you don't know the code the best thing you can do is try to write the code with explanation so that at least interviewer will know that he is trying and know the basics ?

Q1. Priority 00 confidence 0 introduction 1 oops concepts 2 data structure 3 DBMS 4 language you are working on
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Q1. After completing everything the last is HR round , don't wory here if it's not your first and second round , just be yourself , this round is just to understand the employee they are going to hire (unless ...read more
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