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MasterCard Technical Lead Interview Questions, Process, and Tips
Top MasterCard Technical Lead Interview Questions and Answers
- Q1. What is difference between Interface and abstract class?
- Q2. Parent child component communication in react?
- Q3. Can abstract class instantiated?
MasterCard Technical Lead Interview Experiences
2 interviews found
Anonymous
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
(10 Questions)
- Q1. What is dependency injection?
- Ans.
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
Dependency injection helps in achieving loose coupling between classes.
It allows for easier testing by mocking dependencies.
There are three types of dependency injection: constructor injection, setter injection, and interface injection.
Example: Instead of a class creating an instance of another...
- Q2. What is app.use in .net core?
- Ans.
app.use in .NET Core is used to add middleware to the request pipeline.
app.use is a method used in ASP.NET Core to add middleware components to the request pipeline.
Middleware components are software components that are executed in the request pipeline to handle requests and responses.
Middleware components can perform tasks such as authentication, logging, error handling, and more.
Example: app.use(new MiddlewareCompone
- Q3. What is difference between Interface and abstract class?
- Ans.
Interface is a contract that defines the methods a class must implement, while abstract class can have both abstract and concrete methods.
Interface cannot have any implementation, while abstract class can have both abstract and concrete methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheritance in Java, while abstract classes are us...
- Q4. Boxing Unboxing
- Q5. ArrayList and List
- Q6. Can abstract class instantiated?
- Ans.
No, abstract classes cannot be instantiated.
Abstract classes are meant to be inherited and extended by other classes.
Attempting to instantiate an abstract class will result in a compilation error.
Abstract classes can have abstract methods that must be implemented by the subclass.
- Q7. How to optimize react application?
- Ans.
Optimizing a React application involves code splitting, lazy loading, minimizing bundle size, using memoization, and optimizing render performance.
Implement code splitting to load only necessary code for each route or component.
Utilize lazy loading to defer loading of non-essential components until they are needed.
Minimize bundle size by removing unused code, optimizing images, and using tree shaking.
Use memoization te...
- Q8. Props destructuring?
- Q9. Parent child component communication in react?
- Ans.
Parent child component communication in React involves passing data from parent to child components and triggering events from child to parent components.
Use props to pass data from parent to child components
Use callback functions to trigger events from child to parent components
Context API can be used for passing data to deeply nested components
- Q10. What is useRef, useMemo, useCallback?
- Ans.
useRef is used to persist a value across renders, useMemo is used to memoize expensive calculations, useCallback is used to memoize functions.
useRef is commonly used to access DOM elements or persist values between renders.
useMemo is used to memoize expensive calculations to avoid re-computation.
useCallback is used to memoize functions to prevent unnecessary re-renders.
Example: useRef can be used to store a reference t...
Interview Preparation Tips
Although you are experienced, you can expect OOPS concept complex questions.
Be prepared with all concepts.
Skills evaluated in this interview
Dipal Vekariya
(3 Questions)
- Q1. Recursion program
- Q2. System Design questions based on current project
- Q3. Micro service design patterns
- Ans.
Micro service design patterns are architectural patterns used to design and implement microservices.
Service discovery
Circuit breaker
API gateway
Event sourcing
Saga pattern
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I was interviewed before Sep 2019.
Interview Questionnaire
8 Questions
- Q1. 1 tell me about your self?
- Q2. Why you want work at this company?
- Q3. Why should I hire you?
- Q4. If you are experience person----why are you looking for a job company change?
- Q5. What are your salary requirements?
- Q6. What is your ambition?
- Q7. How could be you contribute to our company if you're selected?
- Q8. Finally do you have any questions to ask me
Interview Preparation Tips
* Clarify your are selling points ex:-(good
communication skills)
* And reason you the job
* Prepare for common interview questions
* Practice---practice---practice and be confident
At the time of interview time.
I applied via Referral and was interviewed before Oct 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. First they ask tell me about yourself and second they give you any topic to speak continues for 5 minutes. They check only your grammer if someone is not comfortable to that topic you can tell them to give...
Interview Preparation Tips
I applied via Referral and was interviewed before Feb 2023. There were 2 interview rounds.
(1 Question)
- Q1. Question on python sql
(1 Question)
- Q1. Questions on python advanced
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There was 1 interview round.
(1 Question)
- Q1. Standard in AML and KYC checks
- Ans.
AML and KYC checks are standard procedures to prevent money laundering and verify customer identities.
AML stands for Anti-Money Laundering, which refers to a set of regulations and procedures aimed at detecting and preventing money laundering activities.
KYC stands for Know Your Customer, which involves verifying the identity of customers to ensure they are legitimate and not involved in illegal activities.
AML and KYC c...
Prasad Saitwal
Data structures related to dynamic program
React coding test . Design drop-down
Superstar Shailendra singh
Selected
I applied via Walk-in and was interviewed before Dec 2023. There were 3 interview rounds.
(3 Questions)
- Q1. Tell me something about yourself.
- Ans.
I am a dedicated and hardworking individual with a passion for learning and problem-solving.
I have a background in computer science and have experience working on various programming projects.
I am a quick learner and enjoy taking on new challenges.
I am a team player and have strong communication skills.
I am detail-oriented and strive for excellence in everything I do.
- Q2. Where do you live ?
- Ans.
I live in a cozy apartment in downtown Seattle.
I live in downtown Seattle
I have a cozy apartment
My neighborhood is vibrant and full of life
- Q3. How you know about Paytm?
- Ans.
Paytm is a popular Indian digital payment platform.
Paytm was founded in 2010 by Vijay Shekhar Sharma.
It offers services such as mobile recharging, bill payments, online shopping, and ticket booking.
Paytm has a digital wallet feature that allows users to store money and make quick payments.
The platform has grown to become one of the leading payment solutions in India.
(3 Questions)
- Q1. Introduce yourself.
- Ans.
I am a dedicated and experienced professional with a background in marketing and sales.
Experienced in marketing and sales
Dedicated and hardworking
Strong communication skills
- Q2. Why you want work with us (Paytm).
- Ans.
I want to work with Paytm because of its innovative approach to digital payments and its strong presence in the market.
I am impressed by Paytm's innovative solutions in the digital payments space.
I believe Paytm's strong market presence will provide me with valuable experience and opportunities for growth.
I am excited about the prospect of contributing to Paytm's continued success and growth.
- Q3. Questions asked from my hobbies. Example- Creative writing
(1 Question)
- Q1. Salary discuss.
Interview Preparation Tips
Selected
I was interviewed before Feb 2024.
(5 Questions)
- Q1. Which accounting software have you worked with (e.g., QuickBooks, SAP, Oracle)?
- Q2. How do you use Excel in accounting? Can you perform VLOOKUPs, pivot tables, and macros?
- Ans.
Excel is used in accounting for VLOOKUPs, pivot tables, and macros to analyze and manipulate financial data.
Excel is used to organize and analyze financial data efficiently.
VLOOKUPs are used to search for specific information in a large dataset.
Pivot tables are used to summarize and analyze data in a customizable way.
Macros can automate repetitive tasks in Excel, saving time and reducing errors.
For example, VLOOKUP can...
- Q3. What are prepaid expenses, and how are they recorded?
- Ans.
Prepaid expenses are expenses paid in advance but not yet incurred. They are recorded as assets on the balance sheet.
Prepaid expenses are considered assets because they represent future economic benefits.
They are initially recorded as assets on the balance sheet and then expensed over time as they are incurred.
Common examples of prepaid expenses include prepaid rent, insurance premiums, and prepaid subscriptions.
To rec...
- Q4. How do you handle tight deadlines during financial closing periods?
- Ans.
I prioritize tasks, delegate when necessary, and communicate effectively with team members to ensure deadlines are met.
Prioritize tasks based on urgency and importance
Delegate tasks to team members with appropriate skills and resources
Communicate regularly with team members to track progress and address any obstacles
Utilize time management techniques such as setting specific goals and breaking down tasks into smaller s...
- Q5. How do you manage confidentiality in accounting roles?
- Ans.
Confidentiality in accounting roles is managed through strict access controls, encryption of sensitive data, and signed confidentiality agreements.
Implementing strict access controls to limit who can view sensitive financial information
Encrypting sensitive data to protect it from unauthorized access
Having employees sign confidentiality agreements to ensure they understand the importance of keeping financial information
(2 Questions)
- Q1. Reverse the given linked list
- Q2. Separate out 0's, 1's, and 2's in an array
- Ans.
Separate out 0's, 1's, and 2's in an array
Create three variables to count the number of 0's, 1's, and 2's in the array
Loop through the array and increment the respective variable for each occurrence
Create a new array and add the counted number of 0's, 1's, and 2's in order
(2 Questions)
- Q1. Remove duplicates from the given array
- Ans.
Remove duplicates from given array of strings
Create a new empty array
Loop through the original array and check if the element already exists in the new array
If not, add it to the new array
Return the new array
- Q2. Detect a loop in linked list
- Ans.
Loop in linked list can be detected using Floyd's cycle-finding algorithm.
Floyd's cycle-finding algorithm uses two pointers, one moving at twice the speed of the other.
If there is a loop, the faster pointer will eventually catch up to the slower pointer.
If there is no loop, the faster pointer will reach the end of the list.
Time complexity of this algorithm is O(n) and space complexity is O(1).
Interview Preparation Tips
Skills evaluated in this interview
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MasterCard Technical Lead Interview Process
based on 2 interviews
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