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I applied via Approached by Company and was interviewed before Jun 2023. There was 1 interview round.
Eventbrite is a platform for creating, promoting, and managing events.
Allow users to create events with details like date, time, location, and ticket types
Provide tools for promoting events through social media and email marketing
Include features for managing RSVPs, ticket sales, and attendee check-ins
Phone book application to store and manage contacts
Allow users to add, edit, delete contacts
Implement search functionality to find contacts quickly
Include features like call, message, email directly from the app
Top trending discussions
I was interviewed in Jan 2025.
Aptitude test consists 2 section first section is of of Logical reasoning , Verbal reasoning and Analytical Reasoning
and next section is of technical mcqs MS office , cloud , networking and security , Pseudo code related mcqs
After that there were
Data Structures and Algorithms was the most difficult subject for me in my curriculum.
I struggled with understanding complex data structures like graphs and trees.
I overcame this by seeking help from professors, classmates, and online resources.
I practiced solving problems regularly on platforms like LeetCode and HackerRank.
I also joined study groups to discuss and work on challenging problems together.
Developed a web application for managing student records using HTML, CSS, JavaScript, and PHP
Used HTML for structuring the web pages
Utilized CSS for styling the pages and making them visually appealing
Implemented client-side functionality using JavaScript
Backend logic and database management done with PHP
Included features like student registration, course enrollment, and grade tracking
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Custom hooks in React are reusable functions that allow you to extract component logic into separate functions for better code organization and reusability.
Custom hooks are created using the 'use' prefix and can be used to share logic between components.
Use cases for custom hooks include fetching data from an API, handling form state, managing local storage, and more.
Example of a custom hook for API call: const useFetc...
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a value and recompute it only when its dependencies change.
useCallback is used to memoize a callback function and prevent unnecessary re-renders.
Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used to memoize an event handler function.
Class-based components use ES6 classes and have lifecycle methods, while functional components are simpler and use functions.
Class-based components use ES6 classes to create components, while functional components are created using functions.
Class-based components have lifecycle methods like componentDidMount and componentDidUpdate, while functional components do not.
Functional components are simpler and more lightweig...
Implementing the lifecycle of a React component in a functional component
Use the useEffect hook to replicate lifecycle methods like componentDidMount, componentDidUpdate, and componentWillUnmount
Pass an empty array as the second argument to useEffect to mimic componentDidMount
Pass a variable or state as the second argument to useEffect to mimic componentDidUpdate
Return a cleanup function inside useEffect to mimic compo
Various state management techniques in React include Context API, Redux, and local state.
Context API: React's built-in solution for passing data through the component tree without having to pass props down manually at every level.
Redux: A popular state management library for React applications, allowing for a centralized store to manage application state.
Local state: Managing state within individual components using us
Redux is a predictable state container for JavaScript apps. Middlewares are functions that intercept actions before they reach the reducer.
Redux follows a unidirectional data flow architecture.
Middlewares in Redux are functions that can intercept, modify, or dispatch actions.
Common use cases for middlewares include logging, asynchronous API calls, and handling side effects.
Examples of popular Redux middlewares are Redu...
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, meaning they can be called before they are declared.
Hoisting can lead to unexpected behavior if not understood properly.
Event bubbling is the propagation of events from the target element up through its ancestors in the DOM tree.
Events triggered on a child element will 'bubble up' and trigger on parent elements.
Event listeners can be attached to parent elements to handle events from multiple child elements.
Stopping event propagation can be done using event.stopPropagation() or event.stopImmediatePropagation().
Block scope and function scope are two types of scopes in JavaScript that determine the visibility and accessibility of variables.
Block scope refers to the visibility of variables within a block of code enclosed by curly braces. Variables declared with 'let' and 'const' have block scope.
Function scope refers to the visibility of variables within a function. Variables declared with 'var' have function scope.
Variables de...
Yes, I have experience working with semantic tags in HTML.
Used semantic tags like <header>, <nav>, <main>, <section>, <article>, <aside>, <footer> for better structure and SEO.
Understand the importance of using semantic tags for accessibility and search engine optimization.
Semantic tags help in organizing content and making it more readable for developers and browsers.
Various methods for creating an object in JavaScript include object literals, constructor functions, ES6 classes, and Object.create() method.
Object literals: var obj = { key: value };
Constructor functions: function ObjectName() { this.key = value; } var obj = new ObjectName();
ES6 classes: class ClassName { constructor() { this.key = value; } } var obj = new ClassName();
Object.create() method: var obj = Object.create(pr
Shallow copy only copies the references of nested objects, while deep copy creates new copies of nested objects.
Shallow copy creates a new object but does not create copies of nested objects, only copies their references.
Deep copy creates a new object and also creates new copies of all nested objects.
Shallow copy can be achieved using Object.assign() or spread operator, while deep copy can be achieved using JSON.parse(
The code will throw an error because 'a' is declared but not initialized.
The code will result in a ReferenceError because 'a' is declared but not assigned a value.
Variables declared with 'const' must be initialized at the time of declaration.
Initializing 'a' with a value before calling test() will prevent the error.
CSS can be used to arrange elements in a row and column layout using flexbox or grid layout properties.
Use display: flex; for a row layout and display: flex; flex-direction: column; for a column layout
Use justify-content and align-items properties to align items in the main axis and cross axis respectively
For grid layout, use display: grid; and grid-template-columns or grid-template-rows to define the layout
Yes, I have utilized CSS preprocessors such as SASS and LESS.
I have experience using SASS to streamline my CSS workflow by utilizing variables, mixins, and nesting.
I have also worked with LESS to improve code organization and maintainability through features like variables and functions.
The color applied will be based on the specificity of the selector, with ID having higher specificity than class.
ID has higher specificity than class in CSS
Color applied will be based on the selector with higher specificity
Example: If ID selector has color red and class selector has color blue, the color applied will be red
I was interviewed in Jan 2025.
Trips for cracking interview
I was interviewed in Jan 2025.
ArrayList is preferred for frequent retrieval operations due to fast random access, while LinkedList is suitable for frequent insertions/deletions.
Use ArrayList when frequent retrieval operations are required, such as searching for specific elements in a list.
Choose LinkedList when frequent insertions/deletions are needed, like maintaining a queue or stack.
Consider memory overhead and performance trade-offs when decidi...
ReentrantLock should be used instead of synchronized when more flexibility and control over locking mechanisms is needed.
Use ReentrantLock when you need to implement advanced locking mechanisms such as tryLock() or lockInterruptibly().
ReentrantLock is preferred when you require a fair locking policy to prevent thread starvation.
Consider using ReentrantLock when you need to handle situations where explicit unlocking is
In Java, == checks for reference equality while equals() checks for value equality. Misuse of == can lead to logical errors.
Override equals() when you want to compare objects based on their values rather than memory addresses
Override hashCode() method alongside equals() to ensure consistent behavior in collections like HashMap
Consider implementing Comparable interface for natural ordering of objects
Garbage collection in Java automatically reclaims memory occupied by unused objects using different algorithms and memory regions.
Java garbage collector automatically reclaims memory from unused objects
Different types of GC algorithms in JVM: Serial, Parallel, CMS, G1 GC
Objects managed in Young Generation, Old Generation, PermGen/Metaspace
Minor GC cleans up short-lived objects in Young Generation
Major GC (Full GC) recl...
Lambda expressions in Java 8 improve readability and maintainability by allowing concise and functional-style programming.
Lambda expressions reduce boilerplate code by providing a more concise syntax for implementing functional interfaces.
They make code more readable by allowing developers to express actions in a more declarative way.
Lambda expressions enable the use of functional programming concepts like map, filter,...
Checked exceptions must be handled explicitly, while unchecked exceptions do not require explicit handling.
Use custom exceptions when you want to create your own exception types to handle specific scenarios.
Custom exceptions can be either checked or unchecked, depending on whether you want to enforce handling or not.
For example, a custom InvalidInputException can be a checked exception if you want to ensure it is caugh...
The Java Memory Model defines how threads interact with shared memory, ensuring visibility and ordering of variable updates in a concurrent environment.
Volatile ensures changes to a variable are always visible to all threads.
Synchronized provides mutual exclusion and visibility guarantees.
Reordering optimizations by the compiler or CPU can lead to unexpected behavior.
Using thread-safe classes like ConcurrentHashMap avo...
Method overloading allows multiple methods with the same name but different parameters, while method overriding allows a subclass to provide a different implementation of a parent method.
Overloading is used to provide multiple methods with the same name but different parameters within the same class.
Overriding is used to provide a different implementation of a parent method in a subclass.
Overloaded methods are resolved...
Functional interfaces in Java have exactly one abstract method and work with lambda expressions for concise implementation.
Functional interfaces have exactly one abstract method, making them suitable for lambda expressions.
Examples of functional interfaces in Java include Runnable, Callable, Predicate, and Function.
Default methods in interfaces allow for evolving APIs without breaking backward compatibility.
Method refe...
Java Streams enable functional-style operations on collections with lazy evaluation, unlike Iterators.
Parallel streams can improve performance by utilizing multiple threads, but may introduce overhead due to thread synchronization.
Care must be taken to ensure thread safety when using parallel streams in a multi-threaded environment.
Parallel streams are suitable for operations that can be easily parallelized, such as ma...
Immutability in Java refers to objects that cannot be changed after creation, leading to thread safety and prevention of unintended side effects.
Immutable objects cannot be modified after creation, promoting thread safety and preventing unintended side effects.
String class in Java is immutable, creating new objects for modifications.
To create an immutable class, use final fields and avoid setters.
Collections can be mad...
final is for constants, finally for cleanup after try-catch, finalize() for garbage collection. Use try-with-resources for resource management.
final - declare constants, prevent method overriding, or inheritance
finally - block after try-catch for cleanup actions
finalize() - method called by garbage collector before object deletion
Use try-with-resources for resource management instead of finalize()
Singleton design pattern ensures only one instance of a class exists in the JVM, useful for managing shared resources like database connections.
Avoid using Singleton when multiple instances of a class are required.
Avoid Singleton for classes that are not thread-safe.
Avoid Singleton for classes that need to be easily mockable in unit tests.
Java annotations provide metadata to classes, methods, and fields, improving code readability and maintainability.
Annotations like @Override, @Deprecated, and @SuppressWarnings provide information about the code to developers and tools.
Spring framework uses annotations like @Component, @Service, and @Autowired for dependency injection, reducing the need for XML configurations.
Custom annotations can be created using @in...
Java Streams handle parallel processing by dividing data into multiple threads using the ForkJoin framework. Pitfalls include race conditions, order-sensitive operations, and debugging challenges.
Parallel streams divide data into multiple threads for faster processing
ForkJoin framework handles parallel execution internally
Useful for CPU-intensive tasks but may not improve performance for small datasets
Shared mutable st...
It was good . 3 question
It was hard, 5 questions
I applied via Company Website and was interviewed in Oct 2024. There were 2 interview rounds.
Pricing Rule & Product Rule are mathematical concepts used in calculus to find derivatives of functions.
Pricing Rule is used to find the derivative of a function that involves a product of two functions.
Product Rule is used to find the derivative of a function that involves the product of two functions.
Pricing Rule: (f(x)g(x))' = f'(x)g(x) + f(x)g'(x)
Product Rule: (fg)' = f'g + fg'
Option constraints are restrictions placed on the values that can be assigned to an option in a software system.
Option constraints define the valid range of values for an option.
They can include minimum and maximum values, allowed data types, and specific values.
For example, an option for selecting a color may have constraints that limit the choices to 'red', 'blue', or 'green'.
Configuration attributes are settings that define the behavior of a software system.
Configuration attributes can include parameters such as database connection strings, logging levels, and feature toggles.
They are typically stored in configuration files or databases.
Changing configuration attributes can alter the behavior of the software without modifying its code.
Configuration attributes are used to customize the soft...
Record Triggered Flow is a type of Flow in Salesforce that is triggered when a record is created or updated.
Record Triggered Flow is used to automate processes in Salesforce based on changes to records.
It can be set to run before or after the record is saved.
Record Triggered Flow can access and update related records as well.
It is a powerful tool for automating complex business processes in Salesforce.
MDQ (Multi Dimensional Quote) is a tool used in software development to estimate the effort required for a project by considering multiple dimensions.
MDQ takes into account various factors such as complexity, team experience, technology stack, and project scope.
It helps in providing a more accurate estimation of the time and resources needed for a project.
For example, a project with a high complexity level and a new te...
Pricing waterfall is a method used to analyze and optimize pricing strategies by breaking down the pricing process into different components.
Pricing waterfall helps in understanding the impact of various factors on pricing decisions.
It involves analyzing costs, competition, customer demand, and other market factors to determine the optimal pricing strategy.
Examples of components in a pricing waterfall include fixed cos...
A discount schedule is a set of rules or guidelines that determine the amount of discount a customer receives based on various factors.
Discount schedules can be based on factors such as quantity purchased, customer loyalty, or promotional events.
For example, a discount schedule may offer a 10% discount for purchases of 10 items or more.
Another example could be a loyalty program where customers receive increasing discou...
Different pricing methods include cost-plus pricing, value-based pricing, competition-based pricing, and dynamic pricing.
Cost-plus pricing involves adding a markup to the cost of production.
Value-based pricing sets prices based on the perceived value to the customer.
Competition-based pricing involves setting prices based on competitors' prices.
Dynamic pricing adjusts prices in real-time based on demand and other factor
CPQ offers multiple products including Configure, Price, Quote, Contract Management, and Billing.
Configure: Allows users to customize products based on customer needs
Price: Calculates pricing based on configurations and discounts
Quote: Generates quotes for customers based on configured products
Contract Management: Manages contracts and agreements with customers
Billing: Handles invoicing and payment processing
QCP is a software plugin used for calculating quotes for products or services.
QCP is a tool used in sales or e-commerce platforms to provide accurate pricing information to customers.
It can factor in variables such as quantity, discounts, taxes, and shipping costs to generate a final quote.
QCP can be customized to fit the specific pricing structure and rules of a business.
Examples of QCP include plugins for online shop...
Special Field in CPQ refers to a custom field that is unique to a specific use case or industry.
Special fields can be used to capture industry-specific data or unique requirements.
Examples include fields for pricing rules in the manufacturing industry or contract terms in the telecommunications industry.
Yes, I have worked on Amendment. It involves making changes to existing software code or documentation.
Amendment involves modifying existing code or documentation to improve functionality or fix issues.
Examples include updating a software feature to meet new requirements, fixing bugs in the code, or enhancing performance.
Amendment may also involve revising documentation to reflect changes made to the software.
Renewal in CPQ refers to the process of renewing a contract or subscription for a product or service.
Renewal in CPQ involves generating a renewal quote for an existing contract or subscription.
The renewal flow typically includes reviewing the terms of the existing contract, making any necessary adjustments, and generating a new quote for the renewed contract.
Customers may have the option to renew their contract for a s...
Quote to Cash Flow is the process of generating revenue from the initial quote to the final payment.
Quote to Cash Flow involves the entire sales process from creating a quote for a product or service to receiving payment for that product or service.
It includes activities such as quoting, invoicing, order fulfillment, and payment collection.
The goal of Quote to Cash Flow is to streamline the sales process and improve ca...
Package level setting refers to configuration settings that apply to an entire package of software components.
Package level settings are configuration options that affect all components within a software package.
These settings are typically defined at the package level and apply globally.
Examples include setting default values for variables, defining access control rules, or specifying logging levels.
Package level sett...
Bundle product is a group of related products sold together, while nested bundle is a bundle within a bundle.
Bundle product is a collection of multiple products sold together as a single unit.
Nested bundle is a bundle that contains another bundle within it.
Example: A laptop bundle may include a laptop, a laptop bag, and a mouse. Within this bundle, there could be a nested bundle for extended warranty options.
Guided selling is a sales technique where the salesperson guides the customer through the buying process, offering personalized recommendations and advice.
Involves salesperson providing personalized recommendations to customers
Helps customers make informed decisions during the buying process
Often used in e-commerce websites to suggest products based on customer preferences
Usages based product refers to a pricing model where customers are charged based on their usage of the product or service.
Customers are charged based on the amount or frequency of their usage.
Common in industries like cloud computing, SaaS, and utilities.
Examples include pay-as-you-go cloud services, metered electricity usage, and usage-based insurance.
Batch APEX is a feature in Salesforce that allows developers to process records in bulk using Apex code.
Batch APEX is used to handle large volumes of data in Salesforce.
It is commonly used for tasks like data cleansing, data migration, and data processing.
Batch APEX classes implement the Database.Batchable interface and are executed asynchronously.
Developers can monitor and manage Batch APEX jobs through the Salesforce
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Engineering Manager
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