Brillo Technologies Software Engineer Interview Questions and Answers

Coding test was easy. They asked LC easy anyone with fair understanding of programming can easily solve it.

Q1. Asked a question from Blind 75 that i dont remember as of now. I kind of stumbled here yet gave a code for original question
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Q2. Asked LC hard question. Interviewer was very rude and did not give a shit about my approach when I tried to explain it to him/her. He said just run code against test cases provided. I received rejection ...read more
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Q1. All the questions on OOPS, Shell script, linux, c, C++, database
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Q1. Advanced questions on above areas
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Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
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Q2. All basic JS Questions to cover Hoisting closure
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Q3. They asked to show me an example using the API call
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Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
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Q1. LLD/Machine coding - Design a social media application with users, posts, comments, likes, etc. There is also an admin who needs to approve post creation and can delete any post they want. Create appropria...read more
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Q1. High-level design - Design a chat-based application like WhatsApp with only user-to-user chat feature (no group chats). Explain and draw out the E2E design by mentioning all the components and design decis...read more
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Q1. Hiring Manager - basic questions like why Razorpay, what are your career goals, what does career growth look like for you, etc.
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Q1. What is Observables, Services, Promises, Closure ?
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Q1. What fifo? diff btwn fifo and lifo
Ans. 
FIFO stands for First In, First Out. LIFO stands for Last In, First Out.
• FIFO is a method for organizing and manipulating a data buffer, where the first element added is the first to be removed.

• LIFO is a method where the last element added is the first to be removed.

• FIFO is like a queue, while LIFO is like a stack.

• Example: In a FIFO queue, if elements A, B, and C are added in that order, they will be removed in the same...read more
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Q1. WAP to check occurrence of words in a paragraph.
Ans. 
A program to check the occurrence of words in a paragraph.
• Split the paragraph into words using space as delimiter

• Create a hashmap to store word frequencies

• Iterate through the words and update the hashmap accordingly

• Display the word frequencies
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Q2. What git command do you use incase PR build is failed

Ans. 

Use git bisect command to find the commit that caused the build failure

• Use 'git bisect start' to start the bisect process

• Mark the current commit as bad with 'git bisect bad'

• Mark a known good commit with 'git bisect good '

• Git will automatically checkout commits for testing, mark them as good or bad until the culprit commit is found

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