CoinTribe Software Engineer Interview Questions and Answers

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.

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

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

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

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

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.

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