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Community Brands Principal Architect Interview Questions and Answers

Updated 27 Aug 2024

Community Brands Principal Architect Interview Experiences

1 interview found

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

I applied via Indeed and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. What challenges you have faced and solutioning you have done in your current project?
  • Ans. 

    I have faced challenges in integrating legacy systems with modern technologies and have solved them by creating a robust API layer.

    • Integrating legacy systems with modern technologies

    • Creating a robust API layer for seamless communication

    • Resolving compatibility issues between different systems

  • Answered by AI
  • Q2. How security you have handled in your application ?
  • Ans. 

    Security in the application is handled through a combination of encryption, authentication, authorization, and regular security audits.

    • Implemented encryption for sensitive data to prevent unauthorized access

    • Utilized authentication mechanisms such as OAuth or JWT to verify user identities

    • Implemented role-based access control to restrict user permissions

    • Regularly conducted security audits and penetration testing to ident

  • Answered by AI
  • Q3. Coding problem to design REST APIs to update Employee First name in the database ?
  • Ans. 

    Design REST APIs to update Employee First name in the database

    • Create a PUT endpoint '/employees/{id}' to update employee first name

    • Use proper authentication and authorization mechanisms to secure the API

    • Validate input data to prevent SQL injection or other security vulnerabilities

  • Answered by AI
  • Q4. Have you worked on gRPC , Kafka and payment gateway ?
  • Ans. 

    Yes, I have experience working with gRPC, Kafka, and payment gateways.

    • I have implemented gRPC for building high-performance, scalable APIs.

    • I have used Kafka for real-time data streaming and processing.

    • I have integrated payment gateways like PayPal and Stripe for secure online transactions.

  • Answered by AI
  • Q5. What tools you have used for Unit testing ?
  • Ans. 

    I have used tools like JUnit, NUnit, and MSTest for unit testing.

    • JUnit

    • NUnit

    • MSTest

  • Answered by AI
Round 2 - Cultural Fit 

(2 Questions)

  • Q1. What are your accomplishments, weakness in your previous projects ?
  • Ans. 

    I have successfully led multiple projects to completion, but my weakness is sometimes struggling with delegation.

    • Successfully led a team in the design and implementation of a complex software system

    • Delivered projects on time and within budget

    • Weakness in delegation led to occasional delays in project milestones

    • Implemented strategies to improve delegation skills and streamline project management processes

  • Answered by AI
  • Q2. Reason was asked of leaving each of the previous companies

Skills evaluated in this interview

Principal Architect Jobs at Community Brands

View all

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Data structures, understanding of design patterns, c++ questions, some problem solving techniques

Interview Preparation Tips

Interview preparation tips for other job seekers - Knowledge of c++, data structures and algorithm

I appeared for an interview before Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

The second round is also written but you need to write programming based on their concept.

  • Q1. 

    Prime Numbers Identification

    Given a positive integer N, your task is to identify all prime numbers less than or equal to N.

    Explanation:

    A prime number is a natural number greater than 1 that has no po...

  • Ans. 

    Identify all prime numbers less than or equal to a given positive integer N.

    • Iterate from 2 to N and check if each number is prime

    • Use the Sieve of Eratosthenes algorithm for better efficiency

    • Optimize by only checking up to the square root of N for divisors

  • Answered by AI
  • Q2. 

    Palindrome String Validation

    Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols.

    Note:
    The string 'S' should be evaluated in a case...
  • Ans. 

    Check if a given string is a palindrome after removing special characters, spaces, and converting to lowercase.

    • Remove special characters and spaces from the string

    • Convert the string to lowercase

    • Check if the modified string is a palindrome by comparing characters from start and end

  • Answered by AI
Round 2 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions mainly on Java and OOPS concepts.

  • Q1. What is the difference between static methods and instance methods in Java?
  • Ans. 

    Static methods belong to the class itself, while instance methods belong to individual objects of the class.

    • Static methods are called using the class name, while instance methods are called using object references.

    • Static methods cannot access instance variables directly, while instance methods can access both static and instance variables.

    • Static methods are shared among all instances of the class, while instance method...

  • Answered by AI
  • Q2. What is the difference between an abstract class and an interface in Java?
  • Ans. 

    Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

    • Abstract class can have constructors, member variables, and methods with implementation.

    • Interface can only have abstract methods and constants.

    • A class can implement multiple interfaces but can only extend one abstract class.

    • Example: Abstract class - Animal with abstract method 'eat', Interface - Flyable with m

  • Answered by AI
  • Q3. What is the difference between ClassNotFoundException and NoClassDefFoundError in Java?
  • Ans. 

    ClassNotFoundException occurs when a class is not found during runtime, while NoClassDefFoundError occurs when a class was found during compilation but not during runtime.

    • ClassNotFoundException is a checked exception, while NoClassDefFoundError is an Error.

    • ClassNotFoundException occurs when a class is not found at runtime, usually due to a missing classpath or incorrect class name.

    • NoClassDefFoundError occurs when a cla...

  • Answered by AI
  • Q4. What is the difference between an Error and an Exception in Java?
  • Ans. 

    Error is a serious issue that cannot be handled at runtime, while Exception is a recoverable issue that can be caught and handled.

    • Error is a subclass of Throwable and is usually caused by the environment or system, such as running out of memory or stack overflow.

    • Exception is also a subclass of Throwable but is caused by the application code, such as invalid input or file not found.

    • Errors are unchecked and are not meant...

  • Answered by AI
  • Q5. What is SerialVersionUID in Java?
  • Ans. 

    SerialVersionUID is a unique identifier used by Java to ensure the compatibility of serialized objects.

    • SerialVersionUID is a static final long variable in a class that implements Serializable interface.

    • It is used to ensure that the serialized object can be deserialized correctly even if the class definition has changed.

    • If the SerialVersionUID of the serialized object does not match the one in the class, an InvalidClass...

  • Answered by AI
  • Q6. What are the requirements for creating an immutable class in Java?
  • Ans. 

    Requirements for creating an immutable class in Java

    • Make the class final so it cannot be extended

    • Make all fields private and final

    • Do not provide setter methods, only getter methods

    • Ensure that mutable objects are not returned in getter methods

    • Override equals() and hashCode() methods for proper comparison

    • Consider making defensive copies of mutable fields in constructor or getter methods

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAYodlee interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

9 Questions

  • Q1. Questions related to the work done at my previous company
  • Q2. Find if a given directed graph is cyclic or not
  • Ans. 

    To check if a directed graph is cyclic or not

    • Use Depth First Search (DFS) algorithm to traverse the graph

    • Maintain a visited set to keep track of visited nodes

    • Maintain a recursion stack to keep track of nodes in the current DFS traversal

    • If a node is visited and is already in the recursion stack, then the graph is cyclic

    • If DFS traversal completes without finding a cycle, then the graph is acyclic

  • Answered by AI
  • Q3. You have a stream of bytes from which you can read one byte at a time. You only have enough space to store one byte. After processing those bytes, you have to return a random byte. Note: The probability of...
  • Ans. 

    Return a random byte from a stream of bytes with equal probability.

    • Create a variable to store the count of bytes read

    • Create a variable to store the current random byte

    • For each byte read, generate a random number between 0 and the count of bytes read

    • If the random number is 0, store the current byte as the random byte

    • Return the random byte

  • Answered by AI
  • Q4. Find if a given Binary Tree is BST or not
  • Ans. 

    Check if a binary tree is a binary search tree or not.

    • Traverse the tree in-order and check if the values are in ascending order.

    • For each node, check if its value is greater than the maximum value of its left subtree and less than the minimum value of its right subtree.

    • Use recursion to check if all nodes in the tree satisfy the above condition.

  • Answered by AI
  • Q5. Devise an algorithm to determine the Nth-to-Last element in a singly linked list of unknown length. If N = 0, then your algorithm must return the last element. You should parse the list only once
  • Ans. 

    Algorithm to find Nth-to-Last element in a singly linked list of unknown length

    • Traverse the list and maintain two pointers, one at the beginning and one at Nth node from beginning

    • Move both pointers simultaneously until the second pointer reaches the end of the list

    • The first pointer will be pointing to the Nth-to-Last element

    • If N=0, return the last element

    • Parse the list only once

  • Answered by AI
  • Q6. Given an array of integers, print all possible permutations. Also explain your approach
  • Ans. 

    Print all possible permutations of an array of integers

    • Use recursion to swap elements and generate permutations

    • Start with the first element and swap it with each subsequent element

    • Repeat the process for the remaining elements

    • Stop when all elements have been swapped with the first element

    • Print each permutation as it is generated

  • Answered by AI
  • Q7. Design a Stack DS that also prints in O(1) the minimum element you pushed in the stack
  • Ans. 

    Design a stack that prints the minimum element pushed in O(1)

    • Use two stacks, one for storing elements and another for storing minimums

    • When pushing an element, compare it with the top of minimum stack and push the smaller one

    • When popping an element, pop from both stacks

    • To get the minimum element, just return the top of minimum stack

  • Answered by AI
  • Q8. Given a linked list with loop, how would you find the starting point of the loop ?
  • Ans. 

    To find the starting point of a loop in a linked list, use Floyd's cycle-finding algorithm.

    • Use two pointers, one moving at twice the speed of the other.

    • When they meet, move one pointer to the head of the list and keep the other at the meeting point.

    • Move both pointers one step at a time until they meet again, which is the starting point of the loop.

  • Answered by AI
  • Q9. Find a number a matrix mat[m][n] where all the rows and columns are sorted non-decreasingly. What will be the complexity of the solution
  • Ans. 

    To find a number in a matrix where all rows and columns are sorted non-decreasingly. Complexity of the solution.

    • Use binary search to find the number in each row and column

    • Start from the top-right corner or bottom-left corner to optimize search

    • Time complexity: O(m log n) or O(n log m) depending on the starting corner

  • Answered by AI

Interview Preparation Tips

Skills: Algorithm, Data structure
College Name: Na

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(1 Question)

  • Q1. Oops? .net core features
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Sep 2023. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. The interview panel is not worthy investing your time and energy there. It looks more like a startup with hiring managers having their own thought processes and hiring strategies. The interviewer was in a ...
  • Q2. Why do you use NodeJs?
  • Ans. 

    NodeJs is a popular choice for building scalable and efficient server-side applications.

    • NodeJs is known for its non-blocking, event-driven architecture which allows for handling a large number of concurrent connections efficiently.

    • It uses JavaScript, a widely-used language, which makes it easier for developers to work on both client and server-side code.

    • NodeJs has a large ecosystem of libraries and frameworks, such as ...

  • Answered by AI
  • Q3. Why do you use Kafka?

Interview Preparation Tips

Interview preparation tips for other job seekers - Probably, if you can read the interviewer's mind you will excel.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I appeared for an interview before Feb 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Linked list (detect loop, reverse, delte a node) tree (height, DFS) graph theory concept C++ basic questions
Round 3 - One-on-one 

(1 Question)

  • Q1. Total 3 round of Technical interviews.

Interview Preparation Tips

Interview preparation tips for other job seekers - C++ basics, Algo and Data structure and some basic concept of graph theory.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Explain basics of c#
  • Ans. 

    C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.

    • C# is an object-oriented language with features like classes, inheritance, and polymorphism.

    • It is strongly typed, meaning variables must be declared with a specific data type.

    • C# supports modern programming concepts like async/await for asynchronous programming.

    • It is commonly used for developing desktop, w...

  • Answered by AI
  • Q2. C# basics oops sql server

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare basics

Skills evaluated in this interview

I appeared for an interview in Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 120 Minutes
Round difficulty - Medium

I was MCQ + Coding round, Their were MCQ Based on DSA, Aptitude and 2 easy coding questions.

  • Q1. 

    Ninja Competition Problem Statement

    Ninja is organizing a coding competition where two teams compete at a time. To keep it fair and interesting, both teams must have an equal number of members. Ninja’s ta...

  • Ans. 

    Check if Ninja can create two teams with equal members given an integer N and its divisors.

    • Iterate through all divisors of N and assign members to the first or second team based on whether the divisor is even or odd.

    • Keep track of the total members in each team and check if they are equal at the end.

    • Return true if the total members in both teams are equal, false otherwise.

  • Answered by AI
  • Q2. 

    Help Bob Out! - Validating IFSC Code

    Bob has just turned 18 and opened a bank account. Being inexperienced with banking, Bob needs your help to validate whether an IFSC code provided by his bank is valid.

    ...
  • Ans. 

    Validate IFSC code based on given rules and return True or False for each test case.

    • Check if the code is 11 characters long.

    • Verify the first four characters are uppercase alphabets.

    • Ensure the fifth character is '0'.

    • Validate that the last six characters are alphanumeric.

  • Answered by AI
Round 2 - Video Call 

Round duration - 50 Minutes
Round difficulty - Easy

The nature of the interviewer was very kind. The test was proctored, our webcam and mic were on, and shared my screen.

Round 3 - Video Call 

Round duration - 50 minutes
Round difficulty - Easy

The nature of the interviewer was very kind. The test was proctored, our webcam and mic were on, and shared my screen.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNo criteriaBottomline Technologies interview preparation:Topics to prepare for the interview - Data Structure, Algorithms, Development, Programming Languages, OOPsTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Be strong at your basics.
Tip 2 : Do at least 2 projects and ask to find answers like why are you choosing this tech stack? why did not you choose its alternatives Know your project in and out because they might ask you for a modification in your project?

Application resume tips for other job seekers

Tip 1 : Have some projects on your resume.
Tip 2 : Do not put false things on your resume.
Tip 3 : Try to keep a single-page resume.

Final outcome of the interviewRejected
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Coding Test 

Python interview question and coding

Round 3 - Technical 

(1 Question)

  • Q1. Python related question

Interview Preparation Tips

Interview preparation tips for other job seekers - Best for fresher and experience

Community Brands Interview FAQs

How many rounds are there in Community Brands Principal Architect interview?
Community Brands interview process usually has 2 rounds. The most common rounds in the Community Brands interview process are Technical.
How to prepare for Community Brands Principal Architect 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 Community Brands. The most common topics and skills that interviewers at Community Brands expect are Ajax, UNIX, Angularjs, CSS and HTML.
What are the top questions asked in Community Brands Principal Architect interview?

Some of the top questions asked at the Community Brands Principal Architect interview -

  1. Have you worked on gRPC , Kafka and payment gatewa...read more
  2. Coding problem to design REST APIs to update Employee First name in the databas...read more
  3. What tools you have used for Unit testin...read more

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Community Brands Principal Architect Interview Process

based on 1 interview

Interview experience

3
  
Average
View more

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10-12 Yrs

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