Sierra ODC Software Developer Interview Questions and Answers

Q1. Questions on OOPS, Core Concepts of C#, SQL
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Q1. Questions on System Design and tricky questions on OOPS
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Q1. Previous organization work culture and expectations
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Q1. Questions related to OOP's , SQL, .Net core.
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Q1. There were two interviewers. I was interviewed in python. Two coding questions on python and one SQL question and few questions on projects and previous working experience and knowledge on linux.
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Q2. What is your work experience
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Q3. What are the projects you worked on
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Q1. Some question were related to APIs
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Q2. What is rest API
Ans. 
REST API is a set of rules and conventions for building and interacting with web services using HTTP methods.
• REST stands for Representational State Transfer

• Uses standard HTTP methods like GET, POST, PUT, DELETE

• Data is transferred in JSON or XML format

• Stateless communication between client and server

• Example: GET request to retrieve data from a server
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Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

Q1. 
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...read more
Ans. 
Given two numbers represented as arrays, calculate their sum and return the result as an array.
• Iterate through the arrays from right to left, adding digits and carrying over if necessary

• Handle cases where one array is longer than the other by considering the remaining digits

• Ensure the final sum array does not have any leading zeros
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Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.