Artcreed Technosys UI Lead Interview Questions, Process, and Tips

Q1. How do you assess if a user story is complete or not. Have you heard about INVEST.
Ans. 
Assessing completeness of user stories using INVEST criteria.
• INVEST stands for Independent, Negotiable, Valuable, Estimable, Small, and Testable.

• A user story is complete if it meets all the criteria of INVEST.

• Independence: User story should be self-contained and not dependent on other stories.

• Negotiable: Details of the story can be negotiated between the team and stakeholders.

• Valuable: Story should deliver value to the...read more
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Q2. Are you aware of RACI matrix.
Ans. 
Yes, RACI matrix is a tool used to clarify roles and responsibilities in a project or process.
• RACI stands for Responsible, Accountable, Consulted, and Informed.

• It helps in defining who is responsible for what tasks, who is accountable for the overall success, who needs to be consulted before decisions are made, and who needs to be kept informed.

• For example, in a software development project, the Business Analyst might ...read more
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Q3. If there are multiple stakeholders and one of the stakeholder is old school and against the new requirement, how do you handle such stakeholder.
Ans. 
Address the concerns of the old school stakeholder by understanding their perspective, communicating effectively, and finding common ground.
• Listen to the stakeholder's concerns and try to understand their perspective.

• Communicate the benefits of the new requirement in a way that resonates with the stakeholder's values and priorities.

• Find common ground by highlighting areas where the new requirement aligns with the stake...read more
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Q1. What is the difference between requirement gathering and requirement elicitation.
Ans. 
Requirement gathering is the process of collecting and documenting requirements from stakeholders, while requirement elicitation is the process of discovering and extracting requirements from stakeholders.
• Requirement gathering involves documenting known requirements, while requirement elicitation involves uncovering hidden or unspoken requirements.

• Requirement gathering typically involves interviews, surveys, and docume...read more
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Q2. What are the 3Cs of a user story.
Ans. 
The 3Cs of a user story are Card, Conversation, and Confirmation.
• Card: A user story is typically written on a physical or digital card to capture the essence of the requirement.

• Conversation: The user story should spark a conversation between the stakeholders to gather more details and clarify any doubts.

• Confirmation: The user story should have acceptance criteria that define when the story is considered complete.
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Q3. Traceability matrix
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Q1. What is the closure in JS?
Ans. 
Closure in JS is a function that retains access to variables from its parent scope even after the parent function has finished executing.
• Closure allows functions to have access to variables from an outer function even after the outer function has finished executing.

• It is created whenever a function is defined within another function, and the inner function has access to the outer function's variables.

• Closures are commo...read more
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Q2. Explain about web worker ?
Ans. 
Web workers allow running JavaScript code in the background without blocking the main thread.
• Web workers are separate JavaScript files that run in the background.

• They allow for multi-threading in web applications.

• Web workers can perform tasks like heavy calculations or network requests without affecting the main UI thread.

• Communication between web workers and the main thread is done through message passing.
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Q3. How to pass props in React
Ans. 
Props in React are passed from parent components to child components to share data and functionality.
• Props are passed as attributes in JSX when rendering a component

• Props can be accessed in the child component using 'this.props'

• Props are read-only and should not be modified directly
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Q1. Tell us about your past project architecture
Ans. 
I have designed and implemented a microservices architecture for a large e-commerce platform.
• Utilized Docker containers for easy deployment and scalability

• Implemented API gateway for centralized authentication and routing

• Used message queues for asynchronous communication between services
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Coding puzzle on hacker rank

Q1. Explain redux toolkit
Ans. 
Redux Toolkit is an official, opinionated, batteries-included toolset for efficient Redux development.
• Includes utilities like createSlice, createAsyncThunk, and createEntityAdapter for easier Redux setup

• Reduces boilerplate code and simplifies common Redux patterns

• Encourages best practices and helps developers write more maintainable code
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Q2. Explain use memo hook
Ans. 
memo hook is a React hook used for optimizing performance by memoizing the result of a function
• Memo hook is used to prevent unnecessary re-renders by caching the result of a function

• It is useful when a component re-renders frequently with the same props

• Example: const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b])
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Data structure and algo with arrays and hash

Q1. System design with high and low level design
Ans. 
System design involves both high level and low level design to create a comprehensive architecture.
• High level design focuses on overall system architecture and functionality

• Low level design delves into specific components, modules, and interactions

• Examples: High level - deciding on database structure, Low level - designing specific API endpoints
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Q2. Design of whatsapp Design of notification engine in my project
Ans. 
The notification engine in a project is designed to send timely and relevant notifications to users.
• Implement a system to track user preferences and settings for notifications.

• Utilize a queue system to prioritize and schedule notifications.

• Include options for users to customize notification frequency and content.

• Integrate with external services like email or SMS for notifications delivery.
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Q1. Selenium & Java related questions.
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Q1. Questions related to different tools and frameworks worked on.
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Q2. API related questions & tools used
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Q1. Questions related to Genpact as an Organization.
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Q1. What and why IOC Container in spring
Ans. 
IOC Container is a core feature of Spring Framework that manages the dependencies between objects.
• IOC stands for Inversion of Control

• It is used to achieve loose coupling between objects

• It allows objects to be created and wired together by an external framework

• It reduces the amount of code needed for configuration and maintenance

• Examples of IOC Containers in Spring are ApplicationContext and BeanFactory
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Q2. Why we use @Value in spring boot
Ans. 
We use @Value in Spring Boot to inject values from properties files or environment variables.
• Allows for external configuration of application properties

• Values can be injected from properties files or environment variables

• Can be used to inject values into fields, constructors, or methods

• Example: @Value("${my.property}") private String myProperty;
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Q3. Difference between SQL and Non-SQL database
Ans. 
SQL databases are relational and use structured data, while NoSQL databases are non-relational and use unstructured data.
• SQL databases use tables with predefined schema, while NoSQL databases use documents, key-value pairs, or graphs.

• SQL databases are better for complex queries and data analysis, while NoSQL databases are better for scalability and flexibility.

• Examples of SQL databases include MySQL, Oracle, and Postgr...read more
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Q4. Give real time scenario where have you used abstract class and interface
Ans. 
Abstract classes and interfaces are used to achieve abstraction and provide a blueprint for classes to implement.
• Used abstract class to create a base class for different types of vehicles, with common properties and methods.

• Used interface to define a contract for different payment methods, with each method implementing its own logic.

• Abstract classes are used when we want to provide a default implementation for some met...read more
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Q5. How did you handle authentication and authorization in project
Ans. 
Authentication and authorization were handled using a combination of technologies and protocols.
• Used OAuth 2.0 for authentication

• Implemented role-based access control for authorization

• Stored user credentials securely using bcrypt hashing algorithm

• Used JSON Web Tokens (JWT) for session management

• Implemented two-factor authentication for sensitive operations
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Q6. How will you encrypt customer information including SSN and others
Ans. 
Customer information will be encrypted using industry-standard encryption algorithms and stored securely.
• Use industry-standard encryption algorithms such as AES or RSA

• Ensure that encryption keys are securely stored and managed

• Implement secure storage mechanisms such as hashing and salting

• Regularly review and update encryption protocols to ensure they remain secure
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Q7. Why Serialization used
Ans. 
Serialization is used to convert complex data structures into a format that can be easily transmitted or stored.
• Serialization allows data to be sent over a network or saved to a file.

• It enables objects to be stored in a database or memory.

• Serialization is used in web services, messaging systems, and distributed computing.

• Examples include JSON, XML, and binary formats like Protocol Buffers and Apache Avro.
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Q8. Do you have any experience with Jenkins and Cloud Deployement
Ans. 
Yes, I have experience with Jenkins and Cloud Deployment.
• I have used Jenkins for continuous integration and continuous deployment.

• I have experience with setting up Jenkins pipelines for automated deployment.

• I have worked with cloud platforms like AWS and Azure for deploying applications.

• I have used tools like Ansible and Terraform for infrastructure automation.

• I have experience with containerization using Docker and Ku...read more
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Q9. Have you used Logging mechanism
Ans. 
Yes, logging is an essential part of software development.
• Logging helps in debugging and troubleshooting issues.

• It provides a record of events and actions taken by the system.

• It helps in monitoring system performance and identifying bottlenecks.

• Examples of logging mechanisms include log4j, syslog, and ELK stack.
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Q1. Data modelling and its benefits
Ans. 
Data modelling is the process of creating a conceptual representation of data and its relationships.
• Helps in understanding complex data structures

• Improves data quality and accuracy

• Facilitates database design and optimization

• Enables efficient data retrieval and analysis

• Examples: ER diagrams, UML diagrams, Data flow diagrams
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Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. Why are you looking for a change?
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