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Blackrock Sdet Engineer Interview Questions and Answers

Updated 7 Jun 2024

Blackrock Sdet Engineer Interview Experiences

1 interview found

Sdet Engineer Interview Questions & Answers

user image Priyanshu Rathore

posted on 7 Jun 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Job Portal and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Coding Test 

Array , strings linked list, dp

Interview questions from similar companies

I appeared for an interview before Jun 2016.

Interview Questionnaire 

2 Questions

  • Q1.  Given k and DFS traversal string for a k-ary tree, construct the tree. The String contains P (if a parent) and L (if a leaf). E.g. - k=3, str="PPLLLLL" 2. All the strings are arranged in the following ord...
  • Ans. 

    The question asks to construct a k-ary tree using the given k and DFS traversal string.

    • Iterate through the DFS traversal string

    • If the current character is 'P', create a parent node

    • If the current character is 'L', create a leaf node

    • Link the nodes according to the DFS traversal order

  • Answered by AI
  • Q2. "How would you tell whether a graph has a node with n degree?"
  • Ans. 

    To determine if a graph has a node with n degree, iterate through all nodes and count their edges.

    • Iterate through each node in the graph

    • Count the number of edges connected to each node

    • If any node has n edges, then the graph has a node with n degree

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Questions on C++(Virtual fns, inheritance). Two on probability, 12 on Algorithms
Duration: 45 minutes

Round: Technical + HR Interview
Experience: He asked some more puzzles and some probability (expectation) questions. Then, he modified one question asked in the written test and asked me write code for it on paper.
Tips: First of all, prepare all the questions asked in the test before going for the interviews.


Skills evaluated in this interview

I appeared for an interview in May 2022.

Round 1 - Video Call 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Easy

The interviewer was friendly. Explained the question well. Allowed to use any preferred platform to write code.

  • Q1. 

    Best Time to Buy and Sell Stock Problem Statement

    Given an array prices representing the prices of a stock where each element indicates the price at a given minute, determine the maximum profit you can ac...

  • Ans. 

    Find the maximum profit by buying and selling a stock once based on given prices.

    • Iterate through the prices array and keep track of the minimum price seen so far and the maximum profit achievable.

    • Calculate the profit by subtracting the current price from the minimum price and update the maximum profit if needed.

    • Return the maximum profit, ensuring it is not negative.

    • Example: prices = [2, 100, 150, 120], Buy at 2, sell a

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

  • Q1. 

    Dance Team Pairing Challenge

    Imagine you are helping Ninja, a dance coach, who needs to form dance pairs from the available boys and girls in a studio. Given the number of boys N, the number of girls M, a...

  • Ans. 

    The challenge involves forming dance pairs from available boys and girls based on potential pairings to maximize the number of pairs.

    • Parse the input to get the number of test cases, boys, girls, and potential pairings.

    • Iterate through the potential pairings and form pairs based on the given indexes.

    • Output '1' if a set of maximum possible pairs is returned, else output '0'.

    • There can be multiple valid configurations of pa...

  • Answered by AI
  • Q2. What is the difference between multiprocessing and multithreading?
  • Ans. 

    Multiprocessing involves multiple processes running concurrently, while multithreading involves multiple threads within a single process.

    • Multiprocessing utilizes multiple processes to execute tasks simultaneously.

    • Multithreading involves multiple threads within a single process sharing the same memory space.

    • Multiprocessing is typically used for CPU-bound tasks, while multithreading is more suitable for I/O-bound tasks.

    • E...

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

  • Q1. Can you describe the classes and functions involved in the design of a system like Splitwise?
  • Ans. 

    Splitwise is a system for managing shared expenses among groups of people.

    • Classes: User, Expense, Group

    • Functions: addExpense(), settleUp(), calculateBalance()

  • Answered by AI
Round 4 - Video Call 

Round duration - 60 Minutes
Round difficulty - Hard

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in GurgaonEligibility criteriaNo criteriaTower Research Capital interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Low level design, High Level Design, Relational Database Management Systems, Operating SystemsTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Practice at least 5 questions of each topic of various difficulty levels
Tip 2 : Read out theory articles about your preferred language showing your proficiency in the same.
Tip 3 : Hard work is overrated, consistency is the key.

Application resume tips for other job seekers

Tip 1 : Own everything you have there, do not add random skills that you are not proficient in.
Tip 2 : Keep it clean and try to give out minimal but most of the relevant information for the role.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. About projects in resume
  • Q2. Resume related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well and be confident speak properly in the interview
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Types of garbage collectors
Round 2 - HR 

(1 Question)

  • Q1. Salary negotiation

I applied via Walk-in and was interviewed in Nov 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Electronic communication engineering

Interview Preparation Tips

Interview preparation tips for other job seekers - Written test

I applied via LinkedIn and was interviewed in Mar 2022. There were 2 interview rounds.

Round 1 - Aptitude Test 
Round 2 - Coding Test 

Interview Preparation Tips

Interview preparation tips for other job seekers - No I Am Sorry I Don't know for the advice in interview
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Group Discussion 

What is the company role and what going on this company

Round 3 - Group Discussion 

What is the salary in this company

Round 4 - Coding Test 

What is the coding test I don't know pls give me explain

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice company, good feeling in this company, ☺️ and thank u sir.

I applied via Campus Placement and was interviewed in Sep 2022. There were 2 interview rounds.

Round 1 - Aptitude Test 

Logic base questions minimum 30

Round 2 - Coding Test 

Two coding questions in one hr

Interview Preparation Tips

Topics to prepare for MNC Group Software Engineer interview:
  • Python
Interview preparation tips for other job seekers - Hr round can give job conform.it should for mnc companies 😉
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Social media and was interviewed in Mar 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Must contain some questions which will be considered as a qualifier test for next round .it will have some passout marks to get into a next round .

Round 3 - Technical 

(1 Question)

  • Q1. About skills and communication skills
Round 4 - HR 

(1 Question)

  • Q1. About introduction and some questions related to job

Blackrock Interview FAQs

How many rounds are there in Blackrock Sdet Engineer interview?
Blackrock interview process usually has 1 rounds. The most common rounds in the Blackrock interview process are Coding Test.

Tell us how to improve this page.

Blackrock Sdet Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
View more

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