Dwello Interview Questions and Answers

Developed a web-based project management tool for tracking tasks and deadlines

• Researched project management best practices and user needs

• Designed user interface wireframes and database schema

• Implemented front-end using React and back-end using Node.js

• Integrated authentication and authorization features for secure access

• Tested functionality and gathered feedback for iterative improvements

By optimizing code, improving algorithms, and enhancing system architecture.

• Identify and remove any redundant or unused code

• Optimize algorithms for better performance

• Enhance system architecture to improve efficiency

• Implement caching mechanisms to reduce load on resources

I solve problem x by breaking it down into smaller tasks, analyzing each part thoroughly, and testing different solutions until finding the most efficient one.

• Break down the problem into smaller, manageable tasks

• Analyze each part thoroughly to understand the root cause

• Test different solutions to find the most efficient one

Remove duplicate numbers from an array

• Iterate through the array and use a set to keep track of unique numbers

• If a number is already in the set, remove it from the array

• Return the modified array without duplicates

BRD is a Business Requirement Document outlining business needs, while FRS is a Functional Requirement Specification detailing system functionalities.

• BRD focuses on business needs and goals, while FRS details system functionalities and features.

• BRD is high-level and non-technical, while FRS is detailed and technical.

• BRD is used to communicate with stakeholders, while FRS is used by developers and testers.

• BRD is created before FRS in the project lifecycle.

• Example: BRD may stat...read more