Raphe mPhibr Software Engineer Interview Questions and Answers

Q1. Questions about Thermal basics. JD also about melting point temperatures
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Q1. Salary negotiations and joining date details
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Round duration - 45 minutes
Round difficulty - Medium

Its a zoom call interview which lasted for 45 minutes. initially there are two panel members in which one is very targetting at me. They asked me different type of questions like jumping from DSA to project then to python then again java. Its a mixed combo pack type interview. for each and every question they asked me the real time example. The discussion on my project lasted for 15-20 mins.

Q1. 
Count Set Bits Problem Statement
Given a positive integer N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...read more
Ans. 
Count the total number of set bits in the binary representation of numbers from 1 to N modulo 1e9+7.
• Use bitwise operations to count the set bits in each number from 1 to N.

• Keep track of the total set bits and return the result modulo 1e9+7.

• Optimize the solution to handle large values of N efficiently.

• Consider using dynamic programming or precomputing values for faster computation.
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Round duration - 30 mins
Round difficulty - Easy

This round was a zoom interview. The interview started with my brief introduction. This time the interview was more interested in my hobbies and passions. He asked me what do you do to keep yourself updated with the latest technology trends?

Q1. What is oops and describe
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve a problem

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation

• Example: In a banking application, a 'BankAccount' class can have attributes like account number and balance, and ...read more
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Q2. Osi model on networking
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The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model stands for Open Systems Interconnection model

• It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application

• Each layer has specific functions and communicates with the adjacent layers
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Q1. Tell me about your self
Ans. 
Experienced Senior Engineer with a strong background in software development, project management, and team leadership.
• Over 10 years of experience in software engineering, specializing in full-stack development.

• Led a team of 5 engineers in developing a scalable e-commerce platform that increased sales by 30%.

• Proficient in multiple programming languages including Java, Python, and JavaScript.

• Implemented Agile methodologi...read more
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Q2. Current profile Experience
Ans. 
I currently work as a Senior Engineer, leading projects in software development and team collaboration to enhance product efficiency.
• Led a team of 5 engineers in developing a cloud-based application that improved data processing speed by 30%.

• Implemented Agile methodologies, resulting in a 25% increase in project delivery speed.

• Collaborated with cross-functional teams to integrate user feedback into product design, enha...read more
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Q1. Costing of Commodities
Ans. 
Costing of commodities involves determining the expenses incurred in producing and selling goods.
• Costing involves identifying all the direct and indirect costs associated with producing a commodity

• Direct costs include raw materials, labor, and manufacturing expenses

• Indirect costs include overhead expenses such as rent, utilities, and administrative costs

• The total cost is then divided by the number of units produced to ...read more
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Q2. Commercial terms and Conditions
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Total 30 questions each carrying 1 mark.
Passing marks are 19. The test was conducted online.

Q1. Domain Questions basically of Engineering level
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Q2. Weight Calculations of mechanical systems.
Ans. 
Weight calculations are crucial for designing and analyzing mechanical systems.
• Weight calculations involve determining the weight of individual components and the overall system.

• This information is used to ensure that the system can support its own weight and any additional loads.

• Factors such as material density, dimensions, and distribution of weight must be taken into account.

• Computer-aided design (CAD) software can ...read more
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Q3. Questions on Engineering favourite Subjects.
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Q4. Work Location Based Discussion
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Q1. Salary Expectations and Joining details
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Good and simple and easy and understanding

Good and simple and easy to understand

What is ll dsing a ll and all stuff

Q1. Time complexity in hashmap
Ans. 
Time complexity of hashmap operations is O(1) on average, but can be O(n) in worst case scenarios.
• HashMap operations like get, put, and remove have constant time complexity O(1) on average due to hashing.

• In worst case scenarios, when there are many collisions, time complexity can degrade to O(n) where n is the number of elements in the hashmap.

• Hashing function quality and load factor affect the time complexity of hashm...read more
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Q2. Why this company what are your ambitions
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Q1. Oops? .net core features
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