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HackerRank Backend Software Engineer Interview Questions and Answers
HackerRank Backend Software Engineer Interview Experiences
1 interview found
2 simple questions were asked and related time and space complexity was asked.
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Interview Preparation Tips
Experience: A coding test (Students were asked to bring Laptops)
Tips: Be thorough with C/C++, networking, OS, Data structures and architecture
Duration: 90 minutes
Round: Interview
Experience: 3 rounds of interview, one hour each, all technical
Interview Process:All the three rounds are oriented around programming. A lot of focus was given to Data structures, C/C++, OS and algorithmsThe code from previous test is shown and they expect you to fix any bugs if thereThe interviewers are quietly friendly and help if you get stuck at any pointIf you do have any related projects, anticipate some thorough questions on that
Tips: Though the interviewers are helpful, get your basics clear early on. Don't rely on them.Practice coding sessions, a lot of companies have them as a shortlisting criteria.
College Name: IIT Madras
Interview Preparation Tips
Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2
College Name: NA
Software Engineer Interview Questions & Answers
Prime Focus Technologies
Anonymous
posted on 6 Jun 2023
Selected
I applied via Referral and was interviewed before Jun 2022. There were 2 interview rounds.
(3 Questions)
- Q1. Linux commands,
- Q2. Cloud technologies different services (iaas, paas, saas)
- Ans.
Cloud technologies offer different services like IaaS, PaaS, and SaaS for varying levels of control and management.
IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as virtual servers and storage.
PaaS (Platform as a Service) offers a platform allowing customers to develop, run, and manage applications without dealing with infrastructure.
SaaS (Software as a Service) deli...
- Q3. What do you know AWS
Interview Preparation Tips
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Prime Focus Technologies
Anonymous
posted on 29 Feb 2024
Selected
I applied via Company Website and was interviewed before Feb 2023. There were 3 interview rounds.
Discussion about OOPS concepts and String related program
Program on Recursion and Array
(2 Questions)
- Q1. Strength and Weakness
- Q2. Reason for joining with company
Software Engineer Interview Questions & Answers
Prime Focus Technologies
Anonymous
posted on 30 Apr 2024
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.
There was coding test
(2 Questions)
- Q1. 2 technical rounds
- Q2. Merge sort algorithm
- Ans.
Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them separately, and then merges them back together in sorted order.
Divide the input array into two halves
Recursively sort each half
Merge the sorted halves back together
(1 Question)
- Q1. Leetcode Easy question
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Mar 2023. There were 4 interview rounds.
Aptitude Test with 1 coding question and 8 other aptitude questions
(1 Question)
- Q1. DSA questions with some dbms questions.
(1 Question)
- Q1. DSA + SQL query writing questions. Do revise SQL before interview.
I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.
Aptitude test was of 1 hr
It was about 1 hr duration
(2 Questions)
- Q1. What do you know about oops
- Ans.
Object-oriented programming paradigm focusing on objects and classes
Encapsulation: Bundling data and methods that operate on the data into a single unit (object)
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
- Q2. Tell me about encapsulation
- Ans.
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
Encapsulation helps in hiding the internal state of an object and restricting access to it.
It allows for better control over the data by preventing outside interference.
Encapsulation also promotes code reusability and modularity.
Example: In object-oriented programming, classes encapsulate data fields and methods to ope
(2 Questions)
- Q1. How do you manage your team
- Q2. Why should I hire you
Skills evaluated in this interview
2 Query question and 3 coding questions
(4 Questions)
- Q1. Basic oops , Java script and Networking questions.
- Q2. What is object orienteered programming.
- Ans.
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
Objects are instances of classes, which define the structure and behavior of the objects.
Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.
Example: Java, C++, Python are popular languages that support object oriented programming.
- Q3. Different Events in java script
- Ans.
Events in JavaScript are actions or occurrences that happen in the browser that the code can respond to.
Events can be triggered by user actions (like clicking a button), browser actions (like page load), or system events (like a timer expiring)
Event listeners are used to listen for and respond to events
Common events include click, mouseover, keydown, submit, etc.
- Q4. Event listeners
Project , coding question, DBMS
(1 Question)
- Q1. Basic personal details
Skills evaluated in this interview
Associate Software Engineer Interview Questions & Answers
Decimal Technologies
Anonymous
posted on 5 May 2024
Please check aptitude question in google
Related to Javascript
(1 Question)
- Q1. Expectations and why do you want to join?
Discussion related to company
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HackerRank Backend Software Engineer Interview Process
based on 1 interview
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