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LambdaTest Software Developer Interview Questions and Answers
LambdaTest Software Developer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Question around priority queue
- Q2. Decode strings leetcode
(1 Question)
- Q1. System design questions scenario based
(1 Question)
- Q1. Questions on multidimensional tree
Interview questions from similar companies
Medium to hard questions based on arrays, dp
(2 Questions)
- Q1. Quick sort algorithm
- Ans.
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
Divides array into smaller sub-arrays based on a pivot element
Recursively sorts sub-arrays
Combines sorted sub-arrays to get final sorted array
Time complexity: O(n log n) on average, O(n^2) worst case
Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
- Q2. Modified rotate a matrix
- Ans.
Rotate a matrix by 90 degrees in place
Transpose the matrix
Reverse each row of the transposed matrix
Interview Preparation Tips
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
2 DSA questions Both are from DP
(2 Questions)
- Q1. 2 Questions , 1 is DSA
- Q2. Second question is Puzzle
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Mar 2024. There was 1 interview round.
There were 5 question out of which 2 were coding Data Structure problems , 1 was SQL based , 1 was AI based Problem ( Machine Learning ) and 1 was to create UML Diagram.
First Coding question was pretty easy , other one was kinda tough , UML Diagram was also easy and SQL query was of moderate level.
Interview Preparation Tips
I applied via Monster and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. What is Nodejs and how is it useful + 1 leetcode hard problem
- Ans.
Node.js is a runtime environment that allows you to run JavaScript on the server side, making it useful for building scalable network applications.
Node.js is built on Chrome's V8 JavaScript engine and uses an event-driven, non-blocking I/O model, making it lightweight and efficient.
It is commonly used for building web servers, APIs, real-time applications, and microservices.
Node.js has a large ecosystem of libraries an...
Interview Preparation Tips
I applied via campus placement at Kongu Engineering College, Erode and was interviewed in May 2024. There were 2 interview rounds.
1 hr and it is pretty easy and having snippets technical questions etc
I didn't selected for second round
Interview Preparation Tips
(1 Question)
- Q1. Thread & process
I applied via Company Website and was interviewed in Mar 2024. There was 1 interview round.
Arayay sub array with max sum
Interview Preparation Tips
Aravind S
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 4 interview rounds.
Basic Data Structures and algorithms questions. 45 mins to 1 hr duration. Friendly and helpful interviewers. Analyse only thought process.
(1 Question)
- Q1. Questions from basic UI concepts, DB queries, and scenario based question.
(1 Question)
- Q1. Discussions based on your previous experience, System Designs on a scenario and related stuffs.
(1 Question)
- Q1. HR Discussions on package and benifits
Interview Preparation Tips
- Data Structures
- Algorithms
- Node.Js
- Python
- Problem Solving
- System Design
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