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I applied via Job Portal and was interviewed in Mar 2024. There were 5 interview rounds.
Java code to find number of repeated characters in a String.
Create a HashMap to store characters and their counts.
Iterate through the String and update the counts in the HashMap.
Count the characters with counts greater than 1 to find repeated characters.
Design patterns in Microservices are reusable solutions to common problems encountered in designing and implementing microservices architecture.
Design patterns help in structuring microservices for scalability, resilience, and maintainability.
Some common design patterns in microservices include Service Registry, Circuit Breaker, API Gateway, and Event Sourcing.
Service Registry pattern involves a central registry that a...
Design discussion for use case
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
Yes, KPIs are key performance indicators used to measure the success of a product or project.
KPIs are specific metrics used to evaluate the performance of a product or project.
They help track progress towards goals and objectives.
Examples of KPIs include conversion rates, customer satisfaction scores, and revenue growth.
KPIs should be aligned with the overall business strategy and objectives.
Agile product development involves iterative and incremental development cycles to quickly deliver value to customers.
Cross-functional teams work in short iterations called sprints
Prioritize features based on customer feedback and business value
Regularly review and adapt to changes in requirements
Deliver working software frequently, typically every 2-4 weeks
I applied via Company Website and was interviewed in May 2024. There were 3 interview rounds.
First round was screening of resume and few basic coding questions
In second round there is 3 panels at same day for 3 hours one after one all there round are technical and coding interviews level is hard one after another round. Situational questions and current project details in deep. Be prepare for coding.
Micro service design patterns are architectural patterns used to design and implement microservices.
Service discovery
Circuit breaker
API gateway
Event sourcing
Saga pattern
MasterCard interview questions for popular designations
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
Interview: resume,puzzles, guesstimates
Get interview-ready with Top MasterCard Interview Questions
Design a calendar system for scheduling events and managing time.
Include features like creating events, setting reminders, and viewing schedules.
Allow users to set recurring events and customize event details.
Implement a user-friendly interface for easy navigation and interaction.
Integrate with other applications for seamless data sharing.
Consider scalability and performance for handling large amounts of data.
I applied via LinkedIn and was interviewed in Aug 2024. There were 2 interview rounds.
Aptitude questions asked about basic stuff
I applied via Company Website and was interviewed in Mar 2024. There were 3 interview rounds.
2 Codes were Given , after that 2 technical + 1 hr
Spring MVC is a framework for building web applications in Java.
Model: Represents the data of the application
View: Represents the UI of the application
Controller: Handles the user input and updates the model and view accordingly
DispatcherServlet: Front controller that receives all incoming requests and routes them to the appropriate handler
RequestMapping: Annotation used to map web requests to specific handler methods
Microservices offer scalability, flexibility, and resilience compared to monolithic architecture.
Microservices allow for independent development and deployment of services.
Scalability is easier with microservices as individual components can be scaled independently.
Microservices promote fault isolation, preventing a single service failure from bringing down the entire system.
Flexibility is increased as different techno...
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The duration of MasterCard interview process can vary, but typically it takes about less than 2 weeks to complete.
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