Toppr Product Developer Interview Questions and Answers

Q1. Javascript object manipulation based coding question
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Q2. React based verbal questions
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Q1. Design a movie ticket booking system(LLD)
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Design a movie ticket booking system
• Use case: Users can search for movies, select showtimes, choose seats, and make payments

• Components: User authentication, movie database, showtime scheduling, seat selection, payment gateway

• Considerations: Seat availability, seat selection algorithm, payment security
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Q1. 2 medium DSA ques
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Q1. Hiring Manager round about projects indepth discussion
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Q1. Web Accessbility
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Q2. Website performance
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Q3. What is z-index
Ans. 
z-index is a CSS property that controls the stacking order of elements on a webpage.
• z-index values can be positive, negative, or zero.

• Higher z-index values stack on top of lower ones.

• z-index only works on positioned elements (position: relative, absolute, fixed).
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Q4. What is flex and grid
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Flex and Grid are CSS layout systems used for creating responsive web designs.
• Flexbox is a one-dimensional layout system that allows you to align and distribute space among items in a container.

• Grid is a two-dimensional layout system that allows you to create complex layouts with rows and columns.

• Flexbox is best suited for arranging items in a single direction, while Grid is ideal for creating grid-based layouts.

• Flexbo...read more
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Q1. Very good all angular related question
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Q2. Rxjs concepts subjects
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Q3. Angular life cycle hooks
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Q4. How to use fork join
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Fork join is a technique used in parallel programming to divide a task into smaller subtasks and then combine the results.
• Fork join is commonly used in multi-threading or concurrent programming.

• It allows multiple threads to work on different parts of a task simultaneously.

• Once all the subtasks are completed, the results are combined to get the final result.

• Fork join can improve performance by utilizing the available re...read more
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Q5. RESTand SPREAD operators
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Q1. As i was interviewing for php development so the recruiter asked me question related to core php like difference between get and post method. Some built array functions workings like what is array_keys a...read more
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Q2. They also asked me questions regarding core php as well like for example what is differnce between $_POST and $_GET
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Q3. They also asked question related to sessions like how to create a session and as well as destroy a session and also what is the difference session and cookies. Also they are a few question related to diffe...read more
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In the coding round gave me an array with n length and asked me to return the duplicates from that array using php e.g. array [1,9,4,6,6,5,7,5,8] and also asked me some scenario based questions and critical thinking questions.

Q1. In case of hr round they will generally ask you normal questions like your area of interest what is the reason you want to join their company for are you where do you see yourself in the next 5 years basic...read more
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