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mPHATEK Systems Senior Java Developer Interview Questions, Process, and Tips

Updated 20 Feb 2024

mPHATEK Systems Senior Java Developer Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. What API contract
  • Ans. 

    API contract defines the rules and requirements for interacting with an API.

    • API contract specifies the endpoints, methods, parameters, and data formats that can be used to access the API.

    • It also includes information on authentication, rate limits, error handling, and versioning.

    • Developers must adhere to the API contract to ensure proper communication and functionality.

    • Examples: RESTful APIs typically have a clear API c...

  • Answered by AI
  • Q2. What is OpenAPI specification
  • Ans. 

    OpenAPI specification is a standard for defining RESTful APIs.

    • OpenAPI specification allows developers to describe APIs in a standardized format using YAML or JSON.

    • It includes information such as endpoints, parameters, request/response formats, authentication methods, etc.

    • Tools like Swagger UI can generate interactive API documentation based on OpenAPI specifications.

  • Answered by AI
  • Q3. How to do load balancing in Kubernetes
  • Ans. 

    Load balancing in Kubernetes is achieved using a service called Kubernetes Service.

    • Create a Kubernetes Service object with a type of 'LoadBalancer'

    • The Service will automatically create an external load balancer that will distribute traffic to the pods in the service

    • The load balancer will route traffic based on the service's selector

  • Answered by AI
  • Q4. How to make rate limiting
  • Ans. 

    Rate limiting can be implemented using techniques like token bucket algorithm or sliding window algorithm.

    • Implement token bucket algorithm to limit the number of requests a user can make within a certain time frame.

    • Use sliding window algorithm to track the number of requests made in a specific time window and reject requests that exceed the limit.

    • Consider using libraries like Guava RateLimiter in Java for easy implemen

  • Answered by AI
  • Q5. Give example for API versioning
  • Ans. 

    API versioning is a practice of managing different versions of an API to ensure compatibility and smooth transitions for users.

    • Use URL paths to differentiate between different versions of the API (e.g. /v1/resource vs /v2/resource)

    • Include version information in the request headers (e.g. Accept header)

    • Implement versioning through query parameters (e.g. /resource?version=1)

    • Use custom media types to specify API versions (

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Lookup vs graphlookup in mongodb
  • Ans. 

    Lookup is used to perform a left outer join in MongoDB, while graphlookup is used to perform recursive graph traversal.

    • Lookup is used to perform a left outer join between two collections in MongoDB.

    • Graphlookup is used to perform recursive graph traversal in a collection that contains graph data.

    • Lookup can only perform a single level join, while graphlookup can perform multiple levels of traversal.

    • Lookup is faster than

  • Answered by AI
  • Q2. Count frequency of each character in string
  • Ans. 

    Use a hashmap to count the frequency of each character in a string.

    • Create a hashmap to store characters as keys and their frequencies as values.

    • Iterate through the string and update the hashmap accordingly.

    • Return the hashmap with character frequencies.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Create a rest api all the way from controller to repository using NOTEPAD
  • Ans. 

    Creating a REST API from controller to repository using NOTEPAD

    • Create a controller class with mapping annotations for REST endpoints

    • Implement service layer to handle business logic and interact with repository

    • Define repository interface with methods for data access operations

    • Use Spring Boot for easy setup and configuration

    • Test API endpoints using tools like Postman

  • Answered by AI
  • Q2. Couldnt write custom mongodb query at repository layer in notepad which rejected my candidature.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Java fundamentals
  • Q2. Spring fundamentals
Round 2 - Technical 

(2 Questions)

  • Q1. Managerial round
  • Q2. Scenario based questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

1 hour online test ..

Round 2 - Technical 

(1 Question)

  • Q1. Programming related questions.
Round 3 - Technical 

(1 Question)

  • Q1. DSA round (easy to medium)
Round 4 - HR 

(1 Question)

  • Q1. Technical+ hr round
Round 5 - Behavioral 

(1 Question)

  • Q1. Technical questions.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Assignment 

Code Snept question with 3-4 Reasoning question. Google form

Round 2 - Assignment 

Pen paper coding round. String , Array . Linkedlist , graph, questions

Round 3 - Technical 

(3 Questions)

  • Q1. Maximum Spaning
  • Q2. Nearest Prime number
  • Ans. 

    To find the nearest prime number, iterate from the given number in both directions until a prime number is found.

    • Start iterating from the given number in both directions to find the nearest prime number.

    • Check if a number is prime by dividing it by all numbers less than its square root.

    • Keep track of the closest prime number found during the iteration.

  • Answered by AI
  • Q3. Second Maximum Number in Array
  • Ans. 

    Find the second maximum number in an array of strings.

    • Convert the array of strings to an array of integers.

    • Sort the array in descending order.

    • Return the second element in the sorted array.

  • Answered by AI
Round 4 - Technical 

(4 Questions)

  • Q1. Project Question
  • Q2. Robot question of DSA
  • Q3. Stock Buy and sell - VI . Leetcode Hard
  • Q4. Leetcode Medium

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Walk-in

Round 1 - Technical 

(2 Questions)

  • Q1. How make a queue using a stack
  • Ans. 

    To implement a queue using a stack, use two stacks and simulate the queue operations.

    • Use two stacks, one for enqueue operation and one for dequeue operation.

    • For enqueue operation, simply push elements onto the stack used for enqueueing.

    • For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

    • Then pop from the dequeue stack to simulate dequeue operation.

  • Answered by AI
  • Q2. Create a linked list
  • Ans. 

    A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.

    • Create a Node class with data and next pointer

    • Initialize a head pointer to null

    • Add nodes by updating next pointers

    • Traverse the list by following next pointers

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

It is very impressive work on Josh technology assessment because we learn many new skills.

Round 2 - Technical 

(2 Questions)

  • Q1. What is api and how it is work ?
  • Ans. 

    API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.

    • APIs define the methods and data formats that applications can use to request and exchange information.

    • APIs can be used to access services provided by other software applications, such as retrieving data from a database or sending notifications.

    • Examples of APIs ...

  • Answered by AI
  • Q2. What is software development life cycle and which steps are following?
  • Ans. 

    Software development life cycle (SDLC) is a process used by software developers to design, develop, and test software.

    • 1. Planning: Define the project scope, requirements, and objectives.

    • 2. Analysis: Gather and analyze user requirements.

    • 3. Design: Create a detailed design of the software.

    • 4. Implementation: Develop the software based on the design.

    • 5. Testing: Test the software for bugs and issues.

    • 6. Deployment: Release t...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It was ok. I was not able to solve all the questions.

Round 2 - Technical 

(2 Questions)

  • Q1. Remove the last element from a linkedlist
  • Q2. Some basic questions on oops dbms and os
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Quantitative arithmetic,verbal reasoning,non-verbal reasoning,etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Coding Test 

60mintues DSA level coding exam

mPHATEK Systems Interview FAQs

How many rounds are there in mPHATEK Systems Senior Java Developer interview?
mPHATEK Systems interview process usually has 1 rounds. The most common rounds in the mPHATEK Systems interview process are Technical.
How to prepare for mPHATEK Systems Senior Java Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at mPHATEK Systems. The most common topics and skills that interviewers at mPHATEK Systems expect are AWS, CSS, Core Java, Express and Front End.
What are the top questions asked in mPHATEK Systems Senior Java Developer interview?

Some of the top questions asked at the mPHATEK Systems Senior Java Developer interview -

  1. How to do load balancing in Kuberne...read more
  2. What is OpenAPI specificat...read more
  3. How to make rate limit...read more

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mPHATEK Systems Senior Java Developer Interview Process

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