Genpact Senior ETL Developer Interview Questions and Answers

Q1. Types of Joins Join scenarios counts of left join , right join How to validate source vs target data Questions based on current project
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Q2. Workflow/ Mapping parameters Joiner Lookup Type2 implementation Hadoop basics
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An aptitude test is an assessment to measure a candidate mental aptitude/mental ability

Q1. Can you briefly Tell us about yourself?
Ans. 
I am a passionate software developer with 5 years of experience in web development and a strong background in computer science.
• 5 years of experience in web development

• Strong background in computer science

• Passionate about software development
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Q2. What do you consider to be your strongest points?
Ans. 
My strongest points include problem-solving skills, attention to detail, and ability to work well in a team.
• Strong problem-solving skills - I enjoy tackling complex issues and finding creative solutions.

• Attention to detail - I am meticulous in my work and strive for perfection in every task.

• Team player - I collaborate effectively with colleagues, communicate openly, and contribute positively to group projects.
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Q3. Which programming languages do you use regularly in your work
Ans. 
I regularly use Java, Python, and SQL in my work as a Software Developer.
• Java

• Python

• SQL
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A group discussion is a structured conversation in which participants share their ideas, perspectives, and solutions on a specific topic.

Q1. What motivates you to seek employment at Wipro?
Ans. 
I am motivated to seek employment at Wipro because of their reputation for innovation and opportunities for growth.
• Impressed by Wipro's track record of delivering cutting-edge solutions

• Excited about the chance to work with a diverse and talented team

• Eager to take advantage of Wipro's professional development programs
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Q2. What are your long-term career goals?
Ans. 
My long-term career goal is to become a lead software developer and eventually move into a management role.
• Advance to a lead software developer position

• Gain experience in managing a team of developers

• Develop strong leadership and communication skills

• Continue learning new technologies and staying updated with industry trends
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Assignment details refer to the specifics of an assignment, including any documents and/or emails or subsequent correspondence between the company and the client.

Q1. They were asking very logical and technical questions on interview time
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Q2. They were test our skills and time punctuation
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Q1. They were discussed with some technical questions and based on knowledge
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Q1. Project based questions
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Q2. Scenario based question (multithreading and caching related scenarios were asked to me)
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Q3. One coding challenge
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It included all aptitude

Contains all pseudo questions related to DSA

Q1. What is a class?
Ans. 
A class is a blueprint for creating objects in object-oriented programming.
• Defines the properties and behaviors of objects

• Can be used to create multiple instances of objects

• Encapsulates data and methods within a single unit
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Q2. What is an object?
Ans. 
An object is a self-contained entity that consists of data and methods to manipulate that data.
• Objects are instances of classes in object-oriented programming.

• They have attributes (data) and methods (functions) to operate on the data.

• Objects can interact with each other through method calls.

• Example: In a car simulation program, a 'Car' object may have attributes like 'color' and 'speed', and methods like 'accelerate' a
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Q3. How the login page comes when clicks on some webpage icon like facebook?
Ans. 
The login page is displayed when a user clicks on a webpage icon like Facebook by redirecting to a separate login page.
• Clicking on the webpage icon triggers a redirect to the login page

• The login page prompts the user to enter their credentials

• After successful login, the user is redirected back to the original webpage
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Q4. DDL and DML commands
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Q5. Polymorphism and method overriding?
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Q6. Entire opps in java
Ans. 
Object-oriented programming in Java involves creating classes, objects, inheritance, polymorphism, and encapsulation.
• Classes are blueprints for objects, defining attributes and behaviors.

• Objects are instances of classes, representing real-world entities.

• Inheritance allows a class to inherit attributes and methods from another class.

• Polymorphism enables objects to be treated as instances of their parent class.

• Encapsulat...read more
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First round was Aptitude which was quite easy

Q1. Resume bases Question
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Q2. Question on OOPS
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Q1. Resume and scenario based question
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Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java and Python.
• Experienced in Java and Python programming languages

• Worked on developing web applications using Spring framework

• Familiar with Agile development methodologies
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Q2. What challenges do you faced during your project and how you approached them
Ans. 
I faced challenges with integrating third-party APIs and resolved them by thoroughly researching documentation and seeking help from colleagues.
• Integrating third-party APIs required understanding complex documentation

• Encountered issues with data formatting and authentication

• Collaborated with team members to troubleshoot and find solutions
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Q1. Every single oops concepts
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Q2. Every sql questions possiible
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Q1. I attended only technical not yet results announced
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Q2. I attended only technical not yet result announced
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