bKash Software Developer Interview Questions and Answers

Q1. Project Architecture
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Q1. Informatica tech questions
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Q1. How are you today
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Q2. What's the weather today
Ans. 
The weather today is sunny with a few clouds and a high of 75 degrees.
• Sunny weather with some clouds

• High temperature of 75 degrees

• Possibility of rain later in the day
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Q3. Why do you want to join
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I am passionate about creating innovative software solutions and believe your company aligns with my values and goals.
• Passionate about software development

• Believe company aligns with values and goals
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Q4. What values do you have
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I value continuous learning, collaboration, innovation, and integrity in my work as a software developer.
• Continuous learning: I believe in staying updated with the latest technologies and trends in the industry.

• Collaboration: I value working in a team and sharing knowledge and ideas with my colleagues.

• Innovation: I strive to find creative solutions to problems and improve processes.

• Integrity: I believe in honesty, tran...read more
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Q5. What do you like more, array or list
Ans. 
I prefer arrays for their fixed size and faster access, but lists for their flexibility and ease of manipulation.
• Arrays are preferred for their fixed size and faster access time, especially when random access is required.

• Lists are more flexible and easier to manipulate, especially when elements need to be added or removed frequently.

• Arrays are typically used when the size of the collection is known beforehand, while li...read more
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Question Related to the DP and the Graph

Q1. Kth Max Element in a Array
Ans. 
Find the Kth maximum element in an array of strings.
• Sort the array in descending order.

• Return the element at index K-1.
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Q2. Coin Change and optimization through DP
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Coin change problem can be solved using dynamic programming to find the minimum number of coins needed to make a certain amount of change.
• Use dynamic programming to build up solutions for smaller subproblems

• Start by initializing an array to store the minimum number of coins needed for each amount from 0 to the target amount

• Iterate through each coin denomination and update the array with the minimum number of coins need
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Q1. Project include in your Resume
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Q2. HR common question
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MCQ test consisting of 70 mcqs in 75 minutes from aptitude english and cs fundamentals. If cleared next paper 2 coding qs medium level

Q1. Two sum leetcode problem
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Q2. What problems you faced in your project
Ans. 
I faced challenges with integrating third-party APIs and debugging complex logic.
• Difficulty in understanding and implementing third-party APIs

• Issues with data synchronization between different systems

• Troubleshooting complex logic errors

• Managing dependencies and version conflicts

• Time constraints affecting problem-solving
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DP graphs strings it was good

Q1. Reverse a linkded list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, previous, and next

• Iterate through the list, updating pointers to reverse the direction

• Return the new head of the reversed list
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Q2. Print fibonacci series
Ans. 
The Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with two variables initialized to 0 and 1

• Loop through desired number of iterations, adding the previous two numbers to get the next number

• Print or store each number in the series
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Q1. What is the difference between a static function and a static variable?
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Q2. What is the synchronization technique?
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Add an element to a linked list.

Q1. Why do you want to switch
Ans. 
I want to switch to explore new technologies and challenges in a different industry.
• Interested in learning new skills and technologies

• Seeking new challenges and opportunities for growth

• Want to explore different industry perspectives
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Q2. Salry expectations
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Q1. Question on oop concepts
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Q2. Coding questions
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Q1. What is object oriented programming
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Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.

• Example: In a banking application, a 'Customer' class may have attributes like name and account balance, and methods li
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Q2. React vs angular
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React is a lightweight library for building user interfaces, while Angular is a full-fledged framework for web development.
• React is more flexible and allows for easier integration with other libraries and frameworks.

• Angular provides more out-of-the-box features and a more opinionated structure.

• React uses a virtual DOM for better performance, while Angular uses two-way data binding for easier data manipulation.

• React is ...read more
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