Elphill Technology Senior Software Engineer Interview Questions and Answers

The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
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Q2. What is the difference between an interface and an abstract class?
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Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

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

• Interfaces are used to achieve multiple inheri...read more
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Q1. Tell me about projects you have worked upon
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Q2. PEP-8 standards
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Q1. Architecture of project on which you were working
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Q2. Pandas and Numpy
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Q1. Tell me your Current CTC
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Q2. Tell me your Expected CTC
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Q1. What is the D/W Rest and GraphQL APIS?
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Q2. REST uses fixes endpoint;..............etc.
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Aptitude questions with some basic coding questions

They have given 3 coding questions and some pseudo codings

Q1. Tell about your self
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Q2. Some coding questions
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Q1. What is git, how GitHub work without git
Ans. 
Git is a version control system used for tracking changes in code. GitHub is a platform for hosting code repositories and collaborating with others.
• Git is a distributed version control system that allows multiple developers to work on the same codebase without conflicts.

• GitHub is a web-based platform that provides hosting for Git repositories, along with additional features like issue tracking, pull requests, and proje...read more
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Q2. What is salting, hashing, rainbow table
Ans. 
Salting, hashing, and rainbow tables are techniques used in cryptography to secure passwords.
• Salting involves adding a random string of characters to a password before hashing to prevent attacks like rainbow tables.

• Hashing is the process of converting a password into a fixed-length string of characters using a cryptographic hash function.

• Rainbow tables are precomputed tables used to crack hashed passwords by matching a
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Q1. What is jdk, string related questions, basic java oops questions?
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Two sections numerical and English consist of 200 questions in each in just 30 mins time each and difficulty is dead easy

Interviewer asked me to print this
XYZYX
YZYX
ZYX
YX
X
I have shown it to him but in return he asked me to print that if I give 5 as user input .He didn't give full clarity before starting the code .....worst experience

In this round there are two codingquestion firs was pythagora triplet,and second was sort array 0's 1's,2's.and to solve this program time limit was 1 hour.

Q1. OOPs Related Basic question
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Q2. Exception Handling
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Q3. Multithreading related basic question
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