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I was interviewed before Jun 2023.
Hackerrank Online Coding test. DSA Questions
Create a traffic light simulation in react.js with changing colors based on time configuration.
Use React state to manage the current color of the traffic light
Set up a timer to change the color of the traffic light at specified intervals
Use CSS to style the traffic light and different colors for each light
Polyfills are used to provide fallback support for older browsers that do not support certain JavaScript methods like map, reduce, call, and apply.
Polyfills are JavaScript code that replicate the functionality of newer features in older browsers.
They are commonly used for methods like map, reduce, call, and apply which may not be supported in all browsers.
For example, a polyfill for the map method would involve iterati...
Web app optimization techniques focus on improving performance and user experience.
Minify and compress CSS, JavaScript, and HTML files
Optimize images and use lazy loading
Reduce server response time by caching data and using CDNs
Implement asynchronous loading for non-essential resources
Use browser caching and enable Gzip compression
To handle large size data for infinite scroll, use virtual scrolling, lazy loading, and optimize data fetching/rendering.
Implement virtual scrolling to render only the visible items on the screen, reducing memory usage and improving performance.
Use lazy loading to fetch more data as the user scrolls, avoiding loading all data at once.
Optimize data fetching and rendering by using efficient algorithms and data structures...
Serverside rendering is when the HTML is generated on the server before being sent to the client, while clientside rendering is when the HTML is generated on the client's browser using JavaScript.
Serverside rendering is better for SEO as search engines can easily crawl the content.
Clientside rendering can provide a faster initial load time as only data is sent from the server.
Serverside rendering is more secure as sens...
Microservices allow for modular and scalable architecture, while monolithic architecture is simpler but less flexible.
Microservices break down applications into smaller, independent services that communicate through APIs.
Monolithic architecture involves building the entire application as a single unit, making it easier to develop but harder to scale.
Microservices offer better fault isolation and scalability, while mono...
Achieve responsive design by using media queries, flexible layouts, and fluid grids.
Use media queries to adjust styles based on screen size
Create flexible layouts that adapt to different screen sizes
Implement fluid grids to ensure content scales proportionally
What people are saying about Paytm
I was interviewed in Jan 2025.
Yes, it is important to carry a hardcopy of your CV for reference during the interview.
Having a hardcopy shows preparedness and professionalism.
Allows for easy reference during the interview.
Can be shared with the interviewer if needed.
Shows attention to detail and organization.
Demonstrates respect for the interviewer's time.
Paytm interview questions for popular designations
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
Handling a team involves effective communication, delegation, motivation, and conflict resolution.
Establish clear goals and expectations for the team
Communicate openly and regularly with team members
Delegate tasks based on team members' strengths and skills
Provide feedback and recognition for good work
Address conflicts and issues promptly and fairly
Lead by example and demonstrate a positive attitude
Encourage collaborat
Recruit team members based on skills, experience, and cultural fit.
Identify the specific skills and experience needed for the team
Utilize various recruitment channels such as job boards, social media, and employee referrals
Conduct thorough interviews to assess candidates' qualifications and cultural fit
Consider diversity and inclusion when selecting team members
Get interview-ready with Top Paytm Interview Questions
I was interviewed in Dec 2024.
The Longest Substring Without Repeating Characters problem involves finding the length of the longest substring without any repeating characters.
Best solution: Sliding Window approach with HashSet to track unique characters. Time complexity O(n), space complexity O(min(n, m)) where n is the length of the string and m is the size of the character set.
Worst solution: Brute force approach checking all substrings for uniqu...
I was interviewed in Dec 2024.
This is a HackerEarth coding test that consists of 20 or 22 basic questions focused on iOS and Swift, along with two data structure and algorithm problem-solving questions; one of these is challenging, while the other is easier.
Use asynchronous image loading to display 'n' images in a table view efficiently.
Use SDWebImage or AlamofireImage libraries for asynchronous image loading.
Store image URLs in an array and load images dynamically as cells are displayed.
Implement caching mechanism to avoid reloading images every time a cell is displayed.
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
Hackerrank - 2 question
Search for a target value in a sorted matrix efficiently.
Start from the top right corner and move left or down based on comparison with target value
Utilize the sorted nature of the matrix to eliminate certain rows or columns
Implement binary search for more efficient search in each row or column
I applied via Referral and was interviewed in Oct 2024. There were 2 interview rounds.
Speaking well in group discussion Explain To boys how to understand customers
I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
I have 2 years of experience in sales, including managing a team of 5 sales representatives.
Managed a team of 5 sales representatives
Achieved 20% increase in sales revenue in the first year
Implemented new sales strategies to improve performance
I have 2 years of team handling experience with a team of 5 members.
Managed a team of 5 sales representatives in my previous role
Provided guidance, training, and support to team members to achieve sales targets
Conducted regular team meetings to discuss strategies and address any issues
Implemented performance evaluations and provided feedback for improvement
Collaborated with other departments to ensure smooth operations
I have a strong background in sales and have worked in various industries. I see myself excelling in a challenging sales environment where I can utilize my skills.
Extensive experience in sales, including prospecting, negotiating, and closing deals
Familiarity with CRM systems and sales analytics
Strong communication and interpersonal skills
Ability to work well under pressure and meet sales targets
Interested in a role tha...
I employ a variety of hiring techniques to ensure the best candidates are selected.
Utilizing job boards and online platforms to reach a wide pool of candidates
Networking and attending industry events to connect with potential candidates
Conducting thorough interviews to assess skills and cultural fit
Using assessments and tests to evaluate candidates' abilities
Seeking referrals from current employees for potential candid
The duration of Paytm interview process can vary, but typically it takes about less than 2 weeks to complete.
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