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Lenskart Senior Software Engineer Interview Questions and Answers
Lenskart Senior Software Engineer Interview Experiences
3 interviews found
Anonymous
I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Insert node in BST
- Ans.
Insert a node in a Binary Search Tree (BST)
Start at the root node and compare the value of the node to be inserted with the current node
If the value is less than the current node, move to the left child. If greater, move to the right child
Repeat the process until reaching a leaf node, then insert the new node as a left or right child
- Q2. Design Lift system
- Ans.
Design a lift system for efficient vertical transportation
Consider the number of floors in the building
Include safety features like emergency stop button
Optimize for speed and energy efficiency
Implement a user-friendly interface for passengers
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Oct 2023. There were 4 interview rounds.
It was a simple coding test.
There was a small coding problem involving oops concepts..
(1 Question)
- Q1. There was a simple System Design problem specifically URLShortener
(1 Question)
- Q1. There was discussion about previous projects
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.
Basic baba questions and 3 short dsa problems
System Design interview, was asked to design a system like booking.com
(1 Question)
- Q1. Techo managerial round
Interview questions from similar companies
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Minimum Knight Moves (LC Medium)
- Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins
Interview Preparation Tips
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
(1 Question)
- Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside.
- Ans.
Print nodes of n-ary tree in arc wise manner from outside
Traverse the tree level by level from outside to inside
Use a queue to keep track of nodes at each level
Print the nodes at each level in a clockwise or anticlockwise manner
Interview Preparation Tips
- n-ary tree
Skills evaluated in this interview
(2 Questions)
- Q1. Node JS internal
- Q2. Previous project discussion
(2 Questions)
- Q1. Design hld interview asked question
- Q2. Design lld asked question
I was interviewed before Jul 2023.
45 min round. Similar to Leetcode medium level question.
45 min coding round, 2 question asked
(1 Question)
- Q1. System design of proximity service
- Ans.
Design a system for proximity service
Utilize geolocation data to track user locations
Implement algorithms to calculate proximity between users
Use real-time updates to notify users of nearby contacts
(1 Question)
- Q1. Behavioral questions
Skills evaluated in this interview
I applied via Company Website and was interviewed before May 2023. There were 2 interview rounds.
(1 Question)
- Q1. Introduction about yourself and expectation
(3 Questions)
- Q1. IOS questions and architecture question about modularisation. From resume.
- Q2. Question Asked about memory management
- Q3. Question about modularisation and interface design
Selected
I applied via Approached by Company and was interviewed before Jul 2023. There were 4 interview rounds.
(1 Question)
- Q1. Easy DSA questions on string manipulation
(1 Question)
- Q1. Build an MVC architecture
- Ans.
MVC architecture separates an application into Model, View, and Controller components for better organization and scalability.
Model represents the data and business logic
View displays the data to the user
Controller handles user input and updates the model
Example: Model - User class with properties like name, email; View - HTML template to display user info; Controller - User controller to handle user actions
(2 Questions)
- Q1. Discussed previous job experiences.
- Q2. Was asked if I am comfortable working on weekends/late nights during emergencies.
(1 Question)
- Q1. What are your strengths/weaknesses.
Skills evaluated in this interview
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Lenskart Senior Software Engineer Interview Process
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Lenskart Senior Software Engineer Reviews and Ratings
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Rating in categories
|
Store Manager
1.1k
salaries
|  ₹2.5 L/yr - ₹6.1 L/yr |
|
Optometrist
952
salaries
| ₹1.9 L/yr - ₹5.2 L/yr |
|
Sales Executive
537
salaries
| ₹1.3 L/yr - ₹4.5 L/yr |
|
Sales Associate
300
salaries
| ₹1.5 L/yr - ₹4.2 L/yr |
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Assistant Manager
266
salaries
| ₹3.9 L/yr - ₹15.5 L/yr |
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