Brane Enterprises Data Engineer Interview Questions and Answers

Good DSA knowledge requires

Q1. Merge sorted array
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Q1. Java questions, troubleshooting
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Q2. Merge sorted array
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Q1. Techno managerial
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Not applicable for details disclosure

Q1. General questions
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Q1. Related to DSA, language was Golang, mandatory, based on my profile
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Q1. Related to DSA and my previous company work experience
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Q1. DSA, Concurrency in Golnag, my previous company work experience and Cloud knowledge, Docker Kubernetes Knowledge
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Q1. Manegerial round, with my team manager
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Q1. Basic technical question oops concept
Ans. 
Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class using properties and methods of an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the same interf...read more
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1 medium-level leetcode question

Q1. 1 String-based question
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Q2. 1 Array-based question
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Q1. Design in-memory file system
Ans. 
Design an in-memory file system for efficient file storage and retrieval
• Use a tree data structure to represent directories and files

• Implement caching mechanisms to improve performance

• Consider using hash tables for fast file lookup

• Support file operations like read, write, delete, and search

• Ensure data consistency and durability through proper error handling
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Q1. Why did you choose this field to build your career?
Ans. 
I chose software engineering for its blend of creativity, problem-solving, and the impact it has on everyday life.
• Passion for technology: I have always been fascinated by how software can solve complex problems and improve efficiency.

• Creative outlet: Software engineering allows me to express my creativity through coding and designing innovative solutions.

• Impact on society: I want to contribute to projects that enhance ...read more
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Q2. What will you define as success for yourself 6 months into this role?
Ans. 
Success in this role means achieving technical proficiency, contributing to team goals, and fostering positive relationships.
• Achieve proficiency in the tech stack used by the team, such as mastering React and Node.js.

• Contribute to at least two major projects, delivering features that enhance user experience.

• Build strong relationships with team members through collaboration and effective communication.

• Receive positive f...read more
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Q1. Explain to concept of MVT in Django
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Q2. How do web sockets work?
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Q1. What are the key differences between Django and Flask?
Ans. 
Django is a high-level Python web framework that promotes rapid development, while Flask is a lightweight micro-framework for flexibility.
• Framework Type: Django is a full-fledged web framework that includes built-in features like an ORM, authentication, and an admin panel, whereas Flask is a micro-framework that provides the essentials and allows developers to choose additional libraries as needed.

• Project Structure: Dj...read more
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Q2. What methods and connectors can you use to increase the IOPS when using Django ORM?
Ans. 
To increase IOPS with Django ORM, optimize queries, use caching, and leverage database features effectively.
• Query Optimization: Use select_related() and prefetch_related() to reduce the number of database queries when accessing related objects.

• Database Indexing: Create indexes on frequently queried fields to speed up data retrieval, e.g., using Meta class in models.

• Caching: Implement caching strategies using Django's c...read more
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