Liquiloans Software Engineer Interview Questions and Answers

Implement phone directory search system

Technical MCQs (OS, CN, etc.), 2 coding questions (medium level)

Q1. Leetcode - Rainwater Harvesting
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Q2. Leetcode - Array/String
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Q1. HR + Resume Review (Technical)
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Q2. Explain Projects/Experience
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In round 1 we could only use Java

Q1. Interviewers are very friendly. Mostly the questions were based on SQL, dsa
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Q1. Smallest difference pair of values between two unsorted arrays
Ans. 
Find the smallest difference pair of values between two unsorted arrays.
• Sort both arrays and compare elements to find the smallest difference.

• Use two pointers approach to iterate through both arrays simultaneously.

• Consider edge cases like empty arrays or arrays with only one element.
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Q2. 2D matrix iteration based question
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Q3. What is normalisation in DBMS?
Ans. 
Normalization in DBMS is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down a table into smaller tables and defining relationships between them.

• It helps in reducing data redundancy by storing data in a structured and organized manner.

• There are different normal forms such as 1NF, 2NF, 3NF, BCNF, and 4NF, each with specific rules to follow.

• For...read more
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Q4. What is the difference between SQL and NoSQL?
Ans. 
SQL is a traditional relational database management system, while NoSQL is a non-relational database system.
• SQL is table-based, with a predefined schema, while NoSQL is document, key-value, wide-column, or graph-based, with dynamic schema.

• SQL is suitable for complex queries and transactions, while NoSQL is better for hierarchical data storage and real-time applications.

• SQL is ACID-compliant (Atomicity, Consistency, Iso...read more
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Q1. Design Dream 11 application in high level.
Ans. 
Dream 11 is a fantasy sports platform where users can create their own teams and compete in various sports leagues.
• User registration and login functionality

• Ability to create and join contests

• Player selection and team creation feature

• Real-time scoring and leaderboard updates

• Integration with payment gateway for transactions
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Q1. Explain your recent project in your current company.
Ans. 
Developed a web application for tracking employee attendance and generating reports.
• Used React for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database storage

• Integrated authentication and authorization features for secure access
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Q1. Why do you want to join Yubi and leave Tavant?
Ans. 
I am excited about the innovative projects at Yubi and believe it aligns better with my career goals.
• Yubi offers more opportunities for growth and learning in cutting-edge technologies.

• I am drawn to Yubi's company culture and values, which resonate with my own.

• I see Yubi as a better fit for my long-term career aspirations compared to Tavant.
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Q2. What process do you follow to switch to a new technology?
Ans. 
I follow a structured approach to evaluate the new technology, learn it through online resources or courses, practice with small projects, and gradually incorporate it into larger projects.
• Research the new technology to understand its features, benefits, and use cases

• Take online courses or tutorials to learn the basics of the technology

• Practice by working on small projects or side projects to gain hands-on experience

• Gr...read more
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Build a typeahead component

Q1. Build a form for personal details
Ans. 
Build a form for personal details
• Include fields for name, email, phone number, address, date of birth

• Use input fields, dropdowns, and date pickers for user input

• Add validation for required fields and correct formats

• Consider user experience with clear labels and easy navigation
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Q2. Add validations to different fields
Ans. 
Implement validations for different fields in software development.
• Identify the fields that require validation such as email, password, phone number, etc.

• Use regular expressions to validate input data format.

• Implement client-side and server-side validations to ensure data integrity.

• Display error messages for invalid input to guide users on correct data entry.
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Coding test was conducted in hacker earth

Q1. In technical interview they asked the current company work and asked the Instagram db design and usecases and api response of the comment section
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Q2. They asked about the coding test question in round 1
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Q1. Tech concepts and algo
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Q1. Startup mindset
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Q1. Speed and quality
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There were 2 easy question 1 medium
Question were good but have weak test case.

This was project or lld round.
You just be aware of class and other stuff.

Q1. Discussion on project Asked graph coding question in real scenerio. Like asked what algorithm you will use for different real life problems
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Q1. Why engineering and what u know about cred
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