Firminiq Backend Developer Interview Questions and Answers

HackerRank Test
1 hour test
Leetcode easy - medium questions

Q1. Q1 - Leetcode : 1577. Number of ways where the square of numbers is equal to the product of 2 numbers Q2- Leetcode medium-level question based on arrays
Ans. 
Backend Developer interview question on Leetcode problems related to arrays and number manipulation.
• Q1: Find number of ways where the square of numbers is equal to the product of 2 numbers

• Q2: Solve a medium-level Leetcode problem based on arrays

• Use appropriate data structures and algorithms to optimize solutions

• Practice problem-solving skills regularly to improve efficiency
Answered by AI
Add your answer

Q1. Design Inventory management system
Ans. 
An inventory management system is designed to track and manage inventory levels, orders, sales, and deliveries.
• Identify inventory items and categorize them

• Track inventory levels and set reorder points

• Manage orders and sales

• Monitor deliveries and returns

• Integrate with accounting and ERP systems
Answered by AI
Add your answer

Q1. Questions about last project and resume based
Add your answer

Aptitude contain maths, logical reasoning, unseen passage of English and technical test. Almost 20 questions there. Each section contains 5 questions. Question level was easy to difficult.

Q1. What is oops? pillar of oops. Details explanation with proper example. Collection framework questions . Difference between collection and collections. Why collection used when there is array is available i...read more
Ans. 
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects.
• OOP is based on the four pillars: encapsulation, inheritance, abstraction, and polymorphism.

• Encapsulation is the practice of hiding data and methods within a class.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Abstraction is the process of hiding implementation details while showing only the ne...read more
Answered by AI
Add your answer

Basic pattern and some other programs like reverse of string,replace Vivek with their next letter, Armstrong, palindrome,reverse of no.etc

Q1. Tell me about yourself. Why you choose these job. Background and other things Tells company policy and other things
Add your answer

Aptitude test is basic maths

Questions level is medium one question from string and one question from graphs.

Q1. 1. What is thread ? 2. What is finally keywords? 3. When finally keywords is not executed ? 4.what is api ? 5.What is case in DBMS ?
Ans. 
Backend Developer interview questions on threads, finally keywords, APIs, and DBMS cases.
• Thread is a lightweight process that can run concurrently with other threads.

• Finally keyword is used in try-catch block to execute code after try and catch blocks.

• Finally block is not executed when the program terminates abnormally, such as with System.exit() or an uncaught exception.

• API stands for Application Programming Interface...read more
Answered by AI
Add your answer

Q1. Basics of Java, Spring boot and microservices
Add your answer

Q1. Java8, spring boot, microservices question at medium level tuff.
Add your answer

Coding Round on HackerEarth, 3 coding questions, Duration - 75 mins

Q1. Question on Resume, about projects and frameworks
Add your answer
Q2. Number of SubArrays with odd sum
Ans. 
Count the number of subarrays in an array with odd sum.
• Loop through the array and calculate the prefix sum at each index.

• For each prefix sum, count the number of previous prefix sums that have the same parity.

• Add the count to the total number of subarrays with odd sum.

• Return the total count.
Answered by AI
Add your answer

Q1. Features of python Difference between list and tuple explain inheritance with an example types of inheritance what is self keyword find the average of numbers in a list explain memory management in python ...read more
Ans. 
Interview questions for Backend Developer role covering Python and Django
• Python features: dynamic typing, garbage collection, high-level data structures, etc.

• List vs Tuple: List is mutable, Tuple is immutable

• Inheritance: a way to create a new class from an existing one, inheriting its attributes and methods

• Types of inheritance: single, multiple, multilevel, hierarchical

• Self keyword: refers to the instance of the class,...read more
Answered by AI
Add your answer

Q1. Why did you leave your previous job explain how you are a problem solver I was given a brief of celebrity commerce website and asked to design backend pattern what are drawbacks of django
Add your answer

Q1. Apne phlw khi job ki hai
View 1 more answer
Q2. Fresher hai ya experience
Add your answer
Q3. Itni Jagah interview Diya Hai
View 1 more answer
Q4. Aap Yahan job karna chahte hain
View 1 more answer

2 DSA question, difficulty leetcode medium, questions were on searching and sorting

1 DSA question, defficulty leetcode hard with extra little twist based on dp.

Q1. It was with co-founder
Add your answer