Zuci Systems Senior Software Engineer Interview Questions and Answers

Q1. Basic to medium questions related to DotNet Core MVC, SQL Server, etc
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Q1. Completely unprofessional behavior of the interviewer. - No Introduction Direct start asking questions. - Asking too many misleading questions (First ask what you worked on, then ask did you heard about th...read more
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Duration was 1 hour, Topics covered were DSA, Concurrency in golang, Databse questions

Q1. About the project. and asked what i did in project. how to create schema in pyspark. what is ADE. what are the difficulties i faced in project. what is spark submit command how we write sparksubmit command...read more
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Q2. No of occurrences of letter in a string.
Ans. 
Count occurrences of a letter in a string.
• Iterate through each character in the string and count occurrences of the specified letter.

• Use a hashmap to store the count of each letter.

• Handle both uppercase and lowercase letters to ensure accurate counting.
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There was mcq test with 1 sql code based question.

Q1. It was technical interview of around 30 min, questions were direct and short on react lifecycle and basic concepts of js.
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Q2. What is debounce and throttling?
Ans. 
Debounce and throttling are techniques used in web development to limit the number of times a function is called.
• Debounce delays the execution of a function until after a specified time period has elapsed without additional calls.

• Throttling limits the rate at which a function is called, ensuring it is not called more than once within a specified time interval.

• Debounce is useful for handling events like resizing a windo...read more
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Q3. What is diff between git merge and rebase?
Ans. 
Git merge combines changes from different branches, while rebase moves the current branch to the tip of another branch.
• Merge creates a new commit with combined changes, while rebase rewrites commit history.

• Merge preserves the commit history of both branches, while rebase creates a linear history.

• Merge is non-destructive and suitable for public branches, while rebase is destructive and should be used for private branche...read more
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Q4. What is diff between git fork and clone?
Ans. 
Git fork creates a copy of a repository under your GitHub account, while git clone creates a local copy of a repository.
• Fork creates a copy on GitHub, clone creates a local copy on your machine

• Forking allows you to make changes without affecting the original repository

• Cloning downloads the entire repository to your local machine

• Forking is commonly used for contributing to open source projects
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Q5. What is DOM in react?
Ans. 
DOM in React stands for Document Object Model, representing the structure of a web page as a tree of objects.
• DOM in React is a virtual representation of the actual HTML elements on a web page.

• React uses a virtual DOM to improve performance by updating only the necessary components.

• Changes to the virtual DOM are compared with the real DOM, and only the differences are updated.

• This helps in minimizing the number of DOM m...read more
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Q1. It was based on round 2 but in detail.
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Q1. Write code based on situation with proper implementation using Design patterns etc.
Ans. 
Implement a code scenario using design patterns
• Identify the problem statement and requirements

• Choose appropriate design patterns like Singleton, Factory, Observer, etc.

• Implement the code following the selected design patterns

• Test the code for functionality and efficiency
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Q2. Coding question in which you need to write optimize program.
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Q1. Linked list Coding questions
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Q2. Design a database scheme of one of the known website.
Ans. 
Design a database scheme for Amazon website
• Create tables for users, products, orders, reviews, and payments

• Use primary and foreign keys to establish relationships between tables

• Include attributes such as user_id, product_id, order_id, review_id, and payment_id

• Implement indexes for faster data retrieval

• Consider denormalization for performance optimization
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Q1. Salary discussion
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Q1. SQL query to join 3 tables
Ans. 
Use SQL JOIN to combine data from 3 tables based on a common key.
• Use INNER JOIN, LEFT JOIN, or RIGHT JOIN depending on the desired result

• Specify the columns to select from each table

• Use ON clause to specify the join condition
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Q2. Spring boot annotations
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Q3. Hibernate annotations
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Q4. Java 8 Streams + Lambda
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Q1. Working style: Independent contributor or Team
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Q2. Are green-field projects alright?
Ans. 
Green-field projects are great opportunities to start fresh and implement new technologies.
• Green-field projects allow for creative freedom and innovation

• They provide the opportunity to work with the latest technologies and tools

• Starting from scratch can lead to cleaner code and better architecture

• Examples: Developing a new mobile app, creating a new website from scratch
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Q3. Are you ok with learning new tech stacks?
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Q1. Sql question, joins , store procedure
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Q2. Mvc question, mvc frame work
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Group discussion is very important thing.

Q1. HR round is very easy.
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Q2. Just hard and smart work for.
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Q3. What is requirement.
Ans. 
A requirement is a specific need or expectation that must be met in order to achieve a desired outcome.
• A requirement is a statement of what a product or service must do or how it must perform.

• Requirements can be functional (what the product must do) or non-functional (how well it must do it).

• Requirements should be clear, concise, and measurable.

• Examples of requirements include: the ability to save and retrieve data, a ...read more
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Q4. What is your strength.
Ans. 
My strength is problem-solving and analytical thinking.
• I have a strong ability to analyze complex problems and break them down into manageable components.

• I excel at finding innovative solutions and thinking outside the box.

• I am skilled in debugging and troubleshooting software issues.

• I have a solid understanding of algorithms and data structures.

• I am experienced in optimizing code for performance and efficiency.
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Q5. What is your weekness.
Ans. 
My weakness is that I tend to be too detail-oriented, which can sometimes slow down my progress.
• I have a tendency to get caught up in the small details and can spend too much time on them.

• I often find myself double-checking my work to ensure accuracy.

• I sometimes struggle with prioritizing tasks because I want to make sure everything is perfect.

• I am actively working on improving my time management skills to balance atte
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