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SpeedLabs Software Developer Intern Interview Questions and Answers

Updated 16 Sep 2021

SpeedLabs Software Developer Intern Interview Experiences

1 interview found

I appeared for an interview in Mar 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Medium

Timing (10 am- 11 am)
For this round I had slightly more time than the last, due to the fact that the weekend fell in between.The interviewer was very very cool and helping this time, something which I kept at the last in my list of probable things that can happen during an interview. Duration of this round was around 45 minutes.

  • Q1. 

    Connecting Ropes with Minimum Cost

    You are given 'N' ropes, each of varying lengths. The task is to connect all ropes into one single rope. The cost of connecting two ropes is the sum of their lengths. Yo...

  • Ans. 

    Connect ropes with minimum cost by merging smallest ropes first.

    • Sort the array of rope lengths in ascending order.

    • Merge the two smallest ropes at each step to minimize cost.

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

    • Repeat the merging process until all ropes are connected.

    • Return the total cost as the minimum cost to connect all ropes.

  • Answered by AI
  • Q2. 

    Validate Binary Search Tree (BST)

    You are given a binary tree with 'N' integer nodes. Your task is to determine whether this binary tree is a Binary Search Tree (BST).

    BST Definition:

    A Binary Search Tr...

  • Ans. 

    Validate if a given binary tree is a Binary Search Tree (BST) or not.

    • Check if the left subtree of a node contains only nodes with data less than the node's data.

    • Check if the right subtree of a node contains only nodes with data greater than the node's data.

    • Recursively check if both the left and right subtrees are also binary search trees.

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Medium

This round was on call where I was just supposed to answer the HRquestions that were asked. It started with a brief interview with one another and then moved to questions on DBMS, operating systems, computer networks and all. Almost 10-15 questions were asked and I probably answered 90% of them correctly.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Malaviya National Institute of Technology Jaipur. I applied for the job as SDE - Intern in GurgaonEligibility criteriaall branches were allowedSpeedLabs interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : practice on gfg and coding ninjas
Tip 2 : compete in online coding contests
Tip 3 : learn DSA and practice regularly from GFG or leetcode

Application resume tips for other job seekers

Tip 1 : put your entire valuable experience in brief
Tip 2 : put the handle of you competitive coding profiles

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Oct 2022. 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 - Assignment 

Implement login with Google SSO, show emails in a single place

Round 3 - One-on-one 

(4 Questions)

  • Q1. How to implement JWT
  • Ans. 

    JWT can be implemented by generating a token with user information and a secret key, then verifying the token using the same secret key.

    • Generate a JWT token with user information and a secret key

    • Include necessary claims like expiration time, issuer, etc.

    • Verify the JWT token using the same secret key

    • Handle token expiration and refresh if needed

  • Answered by AI
  • Q2. Please read about it on the internet, do take care of public and private key use
  • Q3. Middleware in express, how to create one?
  • Ans. 

    Middleware in Express is a function that has access to the request and response objects.

    • Create a middleware function using app.use() method in Express.

    • Middleware functions have access to the request object (req), the response object (res), and the next middleware function in the application's request-response cycle.

    • Example: app.use((req, res, next) => { console.log('This is a middleware function'); next(); });

  • Answered by AI
  • Q4. Read about it on the internet
Round 4 - One-on-one 

(6 Questions)

  • Q1. Discussed about guards in Angular
  • Q2. Read about it on the internet
  • Q3. How does lazy loading work in Angular
  • Ans. 

    Lazy loading in Angular delays loading of modules until they are needed

    • Lazy loading helps improve performance by only loading modules when they are required

    • It is achieved by using the loadChildren property in the route configuration

    • Lazy loaded modules are loaded asynchronously when the user navigates to the corresponding route

  • Answered by AI
  • Q4. Read about lazy loading in Angular
  • Q5. How to enable SSR in Angular
  • Ans. 

    Server-side rendering (SSR) in Angular can be enabled by using Angular Universal.

    • Install Angular Universal using Angular CLI

    • Create a new Angular Universal project

    • Update app.module.ts to include server-side rendering

    • Build and run the Angular Universal project

  • Answered by AI
  • Q6. Read about Angular Universal for this

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Angular concepts, DSA and Ruby on Rails concepts for the round

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Find duplicates in an array
  • Ans. 

    Use a hash set to find duplicates in an array of strings.

    • Create a hash set to store unique elements.

    • Iterate through the array and check if the element is already in the hash set.

    • If it is, then it is a duplicate. If not, add it to the hash set.

  • Answered by AI
  • Q2. Find single duplicate element in an array where contents of the array are length of array - 1
  • Ans. 

    Find the single duplicate element in an array of strings with length n-1.

    • Iterate through the array and use a HashSet to keep track of elements seen so far.

    • If an element is already in the HashSet, that is the duplicate element.

    • Return the duplicate element once found.

  • Answered by AI
Round 2 - Assignment 

Create a student support system

Round 3 - One-on-one 

(1 Question)

  • Q1. Design an order and payments system for an EdTech company
  • Ans. 

    Design an order and payments system for an EdTech company

    • Allow users to browse and select courses

    • Implement a shopping cart for users to add courses

    • Integrate payment gateways for secure transactions

    • Provide order confirmation and receipt to users

    • Allow users to track their order status

  • Answered by AI

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Aug 2022. 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 - Coding Test 

2 coding questions with aptitude question(logical aptitude and quantitative aptitude)

Round 3 - Coding Test 

This was a Machine Coding. We need to design a system and then they will check our design by running test cases. It was 2.5 hrs long.

Round 4 - One-on-one 

(2 Questions)

  • Q1. Basic questions on computer core subjects(Deadlock, Networking, Tcp connection, process scheduling etc, DNS Lookup etc)
  • Q2. Questions on React, Node and the libraries which I used in my project(My project was a full stack project)

Interview Preparation Tips

Topics to prepare for BrightCHAMPS Software Developer interview:
  • Computer Networking
  • Operating Systems
  • Database Management
  • React.Js
  • Data Structures
Interview preparation tips for other job seekers - Prepare your resume well and be prepared for project based questions. ( They will deep dive in that subject). Besides that have a basic understanding of core cs subjects and common dsa problems.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic coding and MySQL queries. Like Types of join, having and where difference etc.

Round 2 - HR 

(1 Question)

  • Q1. Salary Discussion.
Interview experience
3
Average
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Not Selected

I applied via Company Website and was interviewed before Nov 2022. 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 - Coding Test 

3 questions in 3 hr, topics were Dp, Strings, Tree

Round 3 - Aptitude Test 

1hr durations 40 questions, main topics were patterns, profit loss, work man , etc.

Round 4 - Technical 

(1 Question)

  • Q1. OOPS, JAVA, Mysql, general questsjons

Interview Preparation Tips

Topics to prepare for Internshala Software Engineer interview:
  • java
  • Android
  • DSA
  • OOPS
Interview preparation tips for other job seekers - Just prepare what you know and deep dive in it so that you can fully explain about them.

I appeared for an interview in Feb 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 70 minutes
Round difficulty - Medium

Timing was 9:15AM. Platform was not very good. Questions were not well explained.

  • Q1. 

    Merge Overlapping Intervals Problem Statement

    Given a specified number of intervals, where each interval is represented by two integers denoting its boundaries, the task is to merge all overlapping interv...

  • Ans. 

    Merge overlapping intervals and return sorted list of merged intervals.

    • Identify overlapping intervals based on start and end times

    • Merge overlapping intervals to form new intervals

    • Sort the merged intervals in ascending order of start times

  • Answered by AI
  • Q2. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from source to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Recursively try moving in all directions (up, down, left, right) until reaching the destination.

    • Return the valid paths as a list of strings sorted in alphabetical order.

  • Answered by AI

Interview Preparation Tips

Eligibility criteria8 CGPALido Learning interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Core Java, Algorithms, PointersTime required to prepare for the interview - 2.5 monthsInterview preparation tips for other job seekers

Tip 1 : Prepare maximum algorithms.
Tip 2 : Deep knowledge of data structure.
Tip 3 : OOPS is must.

Application resume tips for other job seekers

Tip 1 : Keep it short.
Tip 2 : Mention only your own projects.

Final outcome of the interviewRejected

Skills evaluated in this interview

I appeared for an interview in Nov 2020.

Round 1 - Coding Test 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

  • Q1. 

    Path Queries Problem Statement

    Consider a weighted, undirected graph with 'V' vertices numbered from 1 to 'V' and 'E' bidirectional edges. You are tasked with handling 'Q' queries. For each query, you are...

  • Ans. 

    Implement a function to find the shortest distance between two vertices in a weighted, undirected graph.

    • Use Dijkstra's algorithm to find the shortest path between the given vertices.

    • Create a graph data structure to represent the weighted, undirected graph.

    • Handle cases where no path exists between the given vertices by returning -1.

    • Optimize the algorithm to handle multiple queries efficiently.

    • Consider edge cases such as...

  • Answered by AI
  • Q2. 

    Merge Sort Algorithm Problem Statement

    Your task is to sort a sequence of numbers stored in the array ‘ARR’ in non-descending order using the Merge Sort algorithm.

    Explanation:

    Merge Sort is a divide-an...

  • Ans. 

    Implement Merge Sort algorithm to sort a sequence of numbers in non-descending order.

    • Divide the input array into two halves recursively

    • Sort the two halves separately

    • Merge the sorted halves to produce a fully sorted array

    • Time complexity of Merge Sort is O(n log n)

    • Example: Input - [5, 2, 9, 1, 5], Output - [1, 2, 5, 5, 9]

  • Answered by AI
  • Q3. 

    Rat in a Maze: All Paths Problem

    You are provided with an N * N maze where a rat is positioned at starting cell MAZE[0][0]. The goal is to determine and print all possible paths that the rat can take to r...

  • Ans. 

    Given an N * N maze with binary values, find and print all possible paths for a rat to reach the destination cell.

    • Use backtracking to explore all possible paths from the starting cell to the destination cell.

    • At each cell, check if it is a valid move (within bounds and not blocked), then recursively explore all four directions.

    • Keep track of the path taken so far and mark the cells accordingly.

    • Once the destination cell i...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dronacharya College of Engineering. I applied for the job as SDE - 1 in NoidaEligibility criteriaNo criteriaLido Learning interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming etcTime required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : Practice Atleast 250 Questions
Tip 2 : Do atleast 2 projects
 

Application resume tips for other job seekers

Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume.

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jul 2022. There were 3 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 - Coding Test 

It was on hacker rank

Round 3 - Aptitude Test 

It was a aptitude test taken by me of the new and all the response and the of new

Interview Preparation Tips

Topics to prepare for Coding Ninjas Software Engineer interview:
  • MySQL
  • YourSql
  • Analytics
Interview preparation tips for other job seekers - if the coin and the new off the medium and new if you add me in the data and of the suer

I appeared for an interview in Dec 2020.

Round 1 - Assignment 

(1 Question)

Round duration - 120 minutes
Round difficulty - Easy

  • Q1. 

    Find All Pairs Adding Up to Target

    Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.

    Input:

    The first line ...
  • Ans. 

    Given an array of integers and a target, find all pairs of elements that add up to the target.

    • Iterate through the array and for each element, check if the target minus the element exists in a hash set.

    • If it exists, add the pair to the result. If not, add the element to the hash set.

    • Handle cases where the same element is used twice in a pair.

    • Return (-1, -1) if no pair is found.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Birla Institute of Technology, Mesra. Eligibility criterianoLido Learning interview preparation:Topics to prepare for the interview - Data structures, Big O Notation, Trees Sorting and search algorithms, HeapsTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Have projects on your resume.
Tip 2 : Good to have internships
Tip 3 : Practice a lot

Application resume tips for other job seekers

Tip 1 : Have good projects
Tip 2 : Have knowledge of everything you wrote

Final outcome of the interviewSelected

Skills evaluated in this interview

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