Delhivery Senior Software Engineer Interview Questions and Answers

Decorator in Python is a design pattern that allows adding new functionality to an existing object without modifying its structure.

• Decorators are functions that take another function as an argument and extend its behavior without explicitly modifying it.

• They are commonly used to add logging, timing, caching, or authentication to functions.

• Syntax for using decorators in Python involves using the @ symbol followed by the...read more

yield is a keyword in Python used in generator functions to return a value without terminating the function

• yield is used in generator functions to produce a series of values over time

• When a generator function is called, it returns an iterator object but does not start execution immediately

• Each time the yield statement is reached, the function's state is saved, and the value is returned to the caller

• Execution of the fun...read more

My name is John Smith.

• Full name is John Smith

• Common name in English-speaking countries

• No middle name or initial

In my free time, I enjoy hiking, playing video games, and learning new programming languages.

• Hiking in local trails and national parks

• Playing video games like Overwatch and Minecraft

• Learning new programming languages like Python and JavaScript

I am a software developer with 5 years of experience in Java and Python.

• Experienced in Java and Python programming languages

• Worked on various projects involving web development and data analysis

• Familiar with Agile methodologies and version control systems like Git

Use a greedy algorithm to send the office bus to all locations in the city efficiently.

• Start from the office location and pick the nearest location to visit next.

• Continue picking the nearest unvisited location until all locations are covered.

• Repeat the process until all locations are visited.

• Consider using Dijkstra's algorithm or a similar approach for finding the nearest location.

• Optimize the route by considering traf

The current project follows a microservices architecture.

• The project is divided into multiple small services that communicate with each other through APIs.

• Each service is responsible for a specific functionality.

• The services are deployed independently and can be scaled as per the demand.

• The project uses Docker containers for easy deployment and management.

• The communication between services is secured using HTTPS protoc...read more