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Tower Research Capital LLC SDE-2 Interview Questions, Process, and Tips

Updated 20 May 2022

Top Tower Research Capital LLC SDE-2 Interview Questions and Answers

  • Q1. Minimum Cost to Reduce Array Given an array ARR of size N containing positive integers, the task is to reduce the size of the array to 1 by performing a specific operati ...read more
  • Q2. Word Ladder Problem Statement Given two strings, BEGIN and END , along with an array of strings DICT , determine the length of the shortest transformation sequence from ...read more
  • Q3. Number of Islands Problem Statement You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to d ...read more
View all 6 questions

Tower Research Capital LLC SDE-2 Interview Experiences

2 interviews found

SDE-2 Interview Questions & Answers

user image Anonymous

posted on 20 May 2022

I was interviewed in Dec 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Medium

  • Q1. 

    Word Ladder Problem Statement

    Given two strings, BEGIN and END, along with an array of strings DICT, determine the length of the shortest transformation sequence from BEGIN to END. Each transformation inv...

  • Ans. 

    The Word Ladder problem involves finding the shortest transformation sequence from one word to another by changing one letter at a time.

    • Use breadth-first search to find the shortest transformation sequence.

    • Create a graph where each word is a node and edges connect words that differ by one letter.

    • Keep track of visited words to avoid revisiting them.

    • Return -1 if no transformation sequence is possible.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 50 minutes
Round difficulty - Medium

  • Q1. 

    Number of Islands Problem Statement

    You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...

  • Ans. 

    Count the number of islands in a 2D matrix of 1s and 0s.

    • Use Depth First Search (DFS) or Breadth First Search (BFS) to traverse the matrix and identify connected groups of 1s.

    • Maintain a visited array to keep track of visited cells to avoid redundant traversal.

    • Increment the island count whenever a new island is encountered.

    • Consider all eight possible directions for connectivity between cells.

    • Handle edge cases like out of

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 50 minutes
Round difficulty - Medium

  • Q1. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges in a grid.

    • Use Breadth First Search (BFS) to simulate the rotting process

    • Track the time taken to rot all oranges and return it

    • If any fresh oranges remain after simulation, return -1

    • Handle edge cases like empty grid or no fresh oranges

  • Answered by AI
Round 4 - Face to Face 

(1 Question)

Round duration - 90 minutes
Round difficulty - Medium

  • Q1. How would you design a system like Splitwise?
  • Ans. 

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

    • 1. Allow users to create groups and add members to track shared expenses.

    • 2. Implement features for adding expenses, specifying who paid and who owes.

    • 3. Calculate balances for each member and settle debts efficiently.

    • 4. Provide notifications and reminders for pending payments.

    • 5. Ensure security and privacy of user data.

    • 6. Implement features like e...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from National Institute of Technology, Kurukshetra. I applied for the job as SDE - 2 in GurgaonEligibility criteriaNoTower Research Capital interview preparation:Topics to prepare for the interview - Data Structures, System Design, C++ and JAVA fundamentals, Operating Systems, DBMSTime required to prepare for the interview - 1.5 monthsInterview preparation tips for other job seekers

Tip 1 : Practice Leetcode medium questions(top ones from all the popular topics)
Tip 2 : Have good hold of System design questions and practice all the commonly asked ones.

Application resume tips for other job seekers

Tip 1 : Keep it concise
Tip 2 : Make sure to include the keywords/tech stack that the particular opening is looking out for

Final outcome of the interviewSelected

Skills evaluated in this interview

SDE-2 Interview Questions & Answers

user image Anonymous

posted on 16 Sep 2021

I was interviewed in Mar 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Medium

There were
1. 25 C++/Java/Shell based MCQs
2. 2 SQL based questions - you are expected to write sql query based on the problem statement
3. Create React App - Todo App

Deadline was 7 days

  • Q1. Given an employee table and a department table, how would you output the person with the maximum earnings from each department?
  • Ans. 

    Output the person with the maximum earnings from each department

    • Join the employee and department tables on department ID

    • Group by department ID and find the max earnings for each department

    • Join the result with the employee table to get the person with max earnings

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

It was in afternoon 2PM. Interviewer was polite and helpful. He was trying me to push me more. At the end of the interview, he even gave me the good feedback

  • Q1. 

    Minimum Cost to Reduce Array

    Given an array ARR of size N containing positive integers, the task is to reduce the size of the array to 1 by performing a specific operation multiple times. In one operation...

  • Ans. 

    Find the minimum cost to reduce an array to one element by merging adjacent elements.

    • Iterate through the array and merge adjacent elements with the smallest sum each time.

    • Keep track of the total cost as you merge elements.

    • Repeat the merging process until only one element remains in the array.

  • Answered by AI
Round 3 - Telephonic Call 

Round duration - 60 Minutes
Round difficulty - Medium

It was in the noon 2.30PM. Interviewer was the team lead. Interviewer was polite and helpful

Round 4 - Telephonic Call 

Round duration - 30 Minutes
Round difficulty - Medium

Interviewer was the Division Manager. Was just scratching the surface in all domain like behavioural, tech questions, situational questions

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from A. C. Patil College of Engineering. I applied for the job as SDE - 2 in GurgaonEligibility criteria2 year experience and experience working on ReactJS & any OOPS languageTower Research Capital interview preparation:Topics to prepare for the interview - Recursion, Array, Dynamic Programming, Data Structures, HashmapTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Understand in and out of recursion
Tip 2 : Be consistent - solve 2-3 problems a day, start from easy level
 

Application resume tips for other job seekers

Tip 1 : Make sure your resume reflect what you have acheived on your work front
Tip 2 : Your work experience should be on top and should be detailed along with figures( like improved page load speed by 2.5x, etc)

Final outcome of the interviewSelected

Skills evaluated in this interview

SDE-2 Interview Questions Asked at Other Companies

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Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. More mobile based question
Round 2 - Technical 

(1 Question)

  • Q1. Javascripts questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It was angular and java

Round 2 - Technical 

(1 Question)

  • Q1. A question about dbms etc
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 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
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 Resume 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 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

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
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 Resume 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
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