M2P Fintech Senior Software Engineer Interview Questions and Answers

Q1. Easy question from leetcode.
Add your answer

Q1. Just normal questions based on resume and previous projects
Add your answer

Codility Test with leetcode medium questions

Q1. Built a react feature
Ans. 
Built a react feature
• Identify the specific feature to be built

• Design the component hierarchy and state management

• Implement the feature using React components and hooks

• Test the feature for functionality and user experience

• Refactor and optimize the code for performance
Answered by AI
Add your answer
Q2. Questions based around react
Add your answer
Q3. How to implement timer
Ans. 
A timer can be implemented using a combination of system time and a loop that checks for elapsed time.
• Get the current system time at the start of the timer

• Enter a loop that continuously checks the difference between the current system time and the start time

• When the desired time has elapsed, perform the desired action or trigger an event
Answered by AI
Add your answer
Q4. How to implement useEffect
Ans. 
useEffect is a hook in React that allows you to perform side effects in functional components.
• useEffect is used to handle side effects in React components.

• It takes two arguments: a function and an optional array of dependencies.

• The function inside useEffect is executed after the component renders.

• The optional array of dependencies determines when the effect should run.

• If the array of dependencies is empty, the effect r...read more
Answered by AI
Add your answer

Two string related questions were there. One was to use stream api and another one was just to do perform operations on top of that.

Q1. It was technical, mostly related to your tech stack and some questions on technology your are applying for
Add your answer

Q1. Some basic techno managerial round. Mostly to check problem solving skills
Add your answer

Q1. What is java multithreading
Ans. 
Java multithreading is a feature that allows concurrent execution of multiple threads within a single process.
• Multithreading in Java allows multiple threads to run concurrently within a single process.

• Each thread has its own stack and executes independently, but shares the same memory space.

• Java provides built-in support for multithreading through the java.lang.Thread class and java.lang.Runnable interface.

• Multithreadi...read more
Answered by AI
Add your answer
Q2. Explain exception hierarchy
Ans. 
Exception hierarchy is a way to organize and categorize different types of exceptions in a software system.
• Exceptions are organized in a tree-like structure with a base class at the top and more specific exception classes below.

• Base class usually is 'Exception' or 'Throwable', with more specific classes like 'IOException', 'NullPointerException', etc.

• Subclasses can provide more specific information about the cause of t...read more
Answered by AI
Add your answer

Q1. Given two sorted arrays, a (m elements, size m+n) and b (n elements, size n) merge both the arrays into the first array a.
Ans. 
Merge two sorted arrays into the first array
• Start from the end of both arrays and compare elements

• Place the larger element at the end of the first array

• Continue this process until all elements are merged
Answered by AI
Add your answer
Q2. Given a monolith architecture, how would you scale it to handle 3x the traffic and also improve response time on API's during peak hours by using cache
Ans. 
To scale a monolith architecture and improve response time, use horizontal scaling and implement caching.
• Implement horizontal scaling by adding more instances of the monolith application behind a load balancer

• Use a distributed cache to store frequently accessed data and reduce database queries

• Implement caching at different levels such as application-level caching, database query caching, and HTTP response caching

• Use a ...read more
Answered by AI
Add your answer
Q3. Class design for a cache implementation, implement get(), put(), initialization methods
Ans. 
Design a cache class with get(), put(), and initialization methods.
• Define a class with a data structure to store key-value pairs.

• Implement a get() method to retrieve a value from the cache based on a given key.

• Implement a put() method to add or update a key-value pair in the cache.

• Implement an initialization method to set the initial capacity and eviction policy of the cache.

• Consider using a hash map or a linked list t...read more
Answered by AI
Add your answer

Q1. Design an econmerce website
Ans. 
Design an ecommerce website for online shopping
• User-friendly interface for easy navigation

• Secure payment gateway integration

• Product categorization and search functionality

• Customer reviews and ratings

• Responsive design for mobile compatibility
Answered by AI
Add your answer