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Urban Company Software Development Engineer II Interview Questions and Answers
Urban Company Software Development Engineer II Interview Experiences
2 interviews found
Anonymous
General coding questions
Machine coding round have to develop some working project
(2 Questions)
- Q1. Where do you see after 5 years
- Q2. Challenges in past roles
Selected
I applied via Approached by Company and was interviewed before Jan 2023. There were 4 interview rounds.
(1 Question)
- Q1. 1. Count number of islands 2. House Robber
- Ans.
Count number of islands and solve the House Robber problem.
Count number of islands: Use DFS or BFS to traverse the grid and mark visited cells as part of an island.
House Robber: Use dynamic programming to calculate the maximum amount of money that can be robbed without alerting the police.
Example for counting number of islands: Given grid = [['1','1','0','0','0'],['1','1','0','0','0'],['0','0','1','0','0'],['0','0','0'...
(1 Question)
- Q1. Design google sheet. How will you handle concurrent editing in google sheets?
- Ans.
To handle concurrent editing in Google Sheets, use operational transformation to synchronize changes and resolve conflicts.
Implement operational transformation to track and merge concurrent edits
Use version control to manage different versions of the sheet
Apply locking mechanisms to prevent conflicts during editing
Utilize real-time collaboration features to notify users of changes
Implement conflict resolution strategie
(1 Question)
- Q1. Design LLD of Zomato.
- Ans.
Design LLD of Zomato
1. Zomato is a food delivery platform that connects users with restaurants.
2. The LLD should include modules for user management, restaurant management, order management, and delivery management.
3. User management module should handle user registration, login, and profile management.
4. Restaurant management module should handle restaurant registration, menu management, and reviews.
5. Order managemen...
(1 Question)
- Q1. Round with VP of the company. Few questions about my projects and few basic HR questions like why Urban Company etc etc
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I was interviewed before Apr 2021.
(2 Questions)
Round duration - 45 Minutes
Round difficulty - Medium
It was in the mid day and since I applied for a Frontend role the discussion was majorly around data structure and bit of Javascript.
The interviewer was helping and good listener.
- Q1.
Merge Two Sorted Linked Lists Problem Statement
You are provided with two sorted linked lists. Your task is to merge them into a single sorted linked list and return the head of the combined linked list.
... - Ans.
Merge two sorted linked lists into a single sorted linked list without using additional space.
Create a dummy node to start the merged list
Compare the values of the two linked lists and add the smaller value to the merged list
Move the pointer of the merged list and the pointer of the smaller value list
Continue this process until one of the lists is fully traversed
Append the remaining elements of the other list to the me
- Q2.
Sort 0 1 2 Problem Statement
Given an integer array
arrof size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.Input:
The first line contains an integer 'T' representing the n... - Ans.
Sort an array of 0s, 1s, and 2s in linear time complexity.
Use three pointers to keep track of 0s, 1s, and 2s while traversing the array.
Swap elements based on the values encountered to sort the array in-place.
Time complexity should be O(N) and space complexity should be O(1).
(3 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
It was more of a in depth round on the framework I'm working on and problem solving.
- Q1. What is the event loop and what is its significance?
- Ans.
The event loop is a mechanism in programming that allows for asynchronous execution of code.
The event loop is a key component in JavaScript's runtime environment, responsible for handling asynchronous operations.
It continuously checks the call stack for any pending tasks and executes them in a non-blocking manner.
The event loop ensures that the program remains responsive by allowing other code to run while waiting for ...
- Q2. Can you provide examples of output-based questions in JavaScript that utilize browser APIs?
- Ans.
Output-based questions in JavaScript using browser APIs
Example 1: Write a script that uses the Geolocation API to display the user's current location on a map
Example 2: Create a program that uses the Web Audio API to play a sound when a button is clicked
Example 3: Develop a web page that uses the Canvas API to draw a simple animation
- Q3. How would you design a system to support localization in a mobile app?
- Ans.
Designing a system to support localization in a mobile app
Use resource files to store localized strings for different languages
Implement a language selection feature for users to choose their preferred language
Utilize localization libraries or frameworks to streamline the process
Consider cultural differences when localizing content, such as date formats and currency symbols
(3 Questions)
Round duration - 75 Minutes
Round difficulty - Hard
It was more of a fitment/managerial round.
Didn't had any coding questions, but was asked more on approaches and optimisations.
Discussions on the project you have worked on.
- Q1. You need to find the fastest 3 horses out of a group, given that you can only race 5 horses at a time. How would you approach this problem?
- Ans.
To find the fastest 3 horses out of a group with 5 horses racing at a time, we can use a tournament style approach.
Divide the horses into groups of 5 and race them against each other. This will give you the fastest horse in each group.
Take the winners from each group and race them against each other. The top 3 horses in this final race will be the fastest 3 overall.
Keep track of the results and compare the timings to d
- Q2. How do you debug the root cause of lag on a screen?
- Ans.
To debug lag on a screen, analyze code, check for memory leaks, optimize rendering, and use profiling tools.
Analyze code to identify any inefficient algorithms or operations causing lag.
Check for memory leaks that could be impacting performance.
Optimize rendering by reducing the number of draw calls, optimizing shaders, and minimizing overdraw.
Use profiling tools like Xcode Instruments or Android Profiler to identify p
- Q3. Can you explain the architecture of the app you have recently worked on?
- Ans.
The app I recently worked on is a social media platform for sharing photos and connecting with friends.
The app follows a client-server architecture, with the client being the mobile app and the server handling data storage and processing.
The client side is built using React Native for cross-platform compatibility.
The server side is implemented using Node.js with a MongoDB database for storing user data and photos.
The a...
Interview Preparation Tips
Tip 1 : Get your JS fundamentals right (if applying for a Frontend role, https://javascript.info/ is a good start)
Tip 2 : Apart from preparing data structures, practise on the communication skills as well (prepare your introduction, be a good listener and on spot improvisation plays key roles)
Tip 1 : highlight projects related to the job profile in your resume and mention what was your contribution in them precisely in 1/2 lines.
Tip 2 : Include URLs to applications/projects that you have build and your achievements/blog (if any)
Skills evaluated in this interview
Deepak Sen
Selected
I applied via Campus Placement and was interviewed before Sep 2023. There were 2 interview rounds.
Basic coding only not to worry much
(2 Questions)
- Q1. Tell me about ur self
- Ans.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills
Excellent team player with good communication skills
- Q2. What is ur projects
- Ans.
I have worked on various projects including a web-based inventory management system and a mobile app for tracking fitness goals.
Developed a web-based inventory management system using React and Node.js
Created a mobile app for tracking fitness goals using Flutter
Implemented RESTful APIs for communication between frontend and backend systems
Interview Preparation Tips
I was interviewed in May 2022.
Round duration - 120 minutes
Round difficulty - Medium
(1 Question)
Round duration - 120 minutes
Round difficulty - Medium
- Discussion on the first round's assignment
- Was asked about adding unit tests in the assignment
- Fundamental questions on the approach used for the assignment.
- Q1. What are some things that could have been done better in the system design problem given in the first round?
- Ans.
Some improvements in the system design problem could include better scalability planning, more efficient data storage solutions, and improved error handling.
Implementing a more robust caching mechanism to improve performance under heavy load.
Optimizing the database schema for better query performance and scalability.
Introducing load balancing and horizontal scaling to handle increased traffic.
Enhancing error handling t...
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
Round was with tech lead. Was briefly asked about the problem I solved in the first round. Then I was asked to solve 1 medium level DSA based question. Some discussion on culture fit was also done.
- Q1. Given the frequency of traffic lights' states, can you determine if there will ever be an invalid state for the traffic signal, and what are the conditions that lead to an invalid state?
- Ans.
Yes, an invalid state can occur if the traffic lights are in conflicting states simultaneously.
An invalid state occurs when multiple traffic lights are showing conflicting signals, such as both red and green at the same time.
This can happen due to a malfunction in the traffic light system or human error in programming the lights.
For example, if a traffic light is stuck showing both red and green signals, it would be co
Interview Preparation Tips
Tip 1 : Have clear web dev fundamentals
Tip 2 : Have at least 1 good non-trivial project
Tip 3 : Practice basic DSA questions.
Tip 1 : For past experience (internship/full time), explain the impact you created instead of only mentioning what you did.
Tip 2 : Don't exceed 1 page.
Tip 3 : Get it cross-checked for mistakes through multiple sources.
Tip 4 : Only put in stuff that you are confident in being able to explain.
Skills evaluated in this interview
Chirag Varshney
(4 Questions)
- Q1. Explain Deadlock?
- Q2. Explain Red Black Tree?
- Q3. Find local minima in a 1-D array?
- Q4. Find local minima in 2-D array?
The exam duration is one and a half hours.
The total exam time is one and a half hours.
It encompasses all topics related to full stack development.
(2 Questions)
- Q1. Asks questions on SQL
- Q2. Asks question in typical topics
(1 Question)
- Q1. Where do you see yourself in two years?
- Ans.
In two years, I see myself as a senior software developer leading a team on innovative projects.
Advancing to a senior software developer role
Leading a team on new and innovative projects
Continuing to enhance my technical skills through ongoing learning and training
Majorily on SQL and Databases
(2 Questions)
- Q1. Align two images in a page with same width and same height
- Ans.
Use CSS to align two images with same width and height on a page
Set both images to have the same width and height using CSS
Use flexbox or grid layout to align the images horizontally or vertically
Adjust margins or padding to fine-tune the alignment
- Q2. Array related question
(2 Questions)
- Q1. Situation based question
- Q2. Majorily focused on project
Skills evaluated in this interview
Rohit Shinde
Selected
I applied via Campus Placement and was interviewed before Dec 2023. There were 2 interview rounds.
Duration 1Hr
2 coding questions
(2 Questions)
- Q1. Don't remember the questions
- Q2. Don't remember the questions.
Interview Preparation Tips
I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Code postorder traversal without using recursion.
- Ans.
Iterative solution using a stack to perform postorder traversal.
Use a stack to simulate the recursive call stack.
Push nodes in the order of right, left, root.
Pop nodes from stack and add to result array.
Repeat until stack is empty.
- Q2. Leetcode Problem 1626 - Best team with no conflicts.
(2 Questions)
- Q1. Design whatsapp with one to one, group messaging and read receipts functionalities. Design the database.
- Ans.
Design a messaging app like WhatsApp with one-to-one, group messaging, and read receipts functionalities.
Use a relational database to store user information, messages, and group memberships.
Create tables for users, messages, groups, and group memberships.
Include columns for message content, sender, receiver, timestamp, and read status.
Implement a feature to mark messages as read with read receipts.
Use indexes for effic
- Q2. Questions on dbms, cn and os.
Skills evaluated in this interview
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Urban Company Software Development Engineer II Interview Process
based on 2 interviews
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Urban Company Software Development Engineer II Reviews and Ratings
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