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inFeedo Backend Developer Interview Questions and Answers for Experienced
inFeedo Backend Developer Interview Experiences for Experienced
1 interview found
Anonymous
(2 Questions)
- Q1. Explain about the projects
- Ans.
I have worked on various projects including e-commerce platforms, CRM systems, and data analytics tools.
Developed e-commerce platform with payment gateway integration
Built CRM system for managing customer interactions
Created data analytics tool for analyzing user behavior
Implemented RESTful APIs for seamless communication between frontend and backend
- Q2. Why are you choosing infeedo?
Interview questions from similar companies
I applied via Referral and was interviewed before Jul 2023. There were 3 interview rounds.
Basic to advanced aptitude
They provide some code snippet to solve
Data structure high level coding round
(2 Questions)
- Q1. So it was interview, It was direct online interview. where interviewer mainly focus on oops and little dsa. but unfortunataly I was unable to answer the question because of lack of practice of oops and dsa...
- Q2. Normal oops fundamental. Opps pillar
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Strings, arrays, dp
I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.
1 hr test on HackerEarth platform, DSA questions
I applied via Naukri.com and was interviewed in Dec 2021. There were 4 interview rounds.
2 easy level coding questions to be solved
(1 Question)
- Q1. One dsa question which needs to be live coded in 45 mins
(1 Question)
- Q1. Same as first round . But 2 coding questions might be asked
(1 Question)
- Q1. Did not happen . Don’t know why
Interview Preparation Tips
As this is startup it needs you to be very good at technical and debugging skills.
I am feeling stressed here
4 coding ques + 15 technical aptitude
4 Coding Ques + 10 technical aptitude
(2 Questions)
- Q1. Coding question
- Q2. Group by query, dbms
I applied via Campus Placement and was interviewed in Jun 2022. There were 5 interview rounds.
50 mcq were asked in 12 mins. Most of the candidates qualified this round.
3 coding questions of basic DSA were asked. Also few mcqs from Operating System, Networking and DBMS.
(3 Questions)
- Q1. The technical round was of 40 mins. 3 standard questions from DSA were asked for which only approach was enough. Questions were from string, array and tree- Rotated string, Lowest common ancestor, etc.
- Q2. Project related discussion regarding my role in the team.
- Q3. A few HR questions related to family background. Why not go for higher studies like the rest of my family. Had to convince him that I saw more growth in working for an organisation.
(1 Question)
- Q1. My introduction then, standard HR questions like where do i see myself in coming yrs, why do i want to join the company, etc. It lasted 10 mins
Interview Preparation Tips
- DSA
- DBMS
- OS
- Networking
- Project
1 coding question, and basic MCQ
I applied via Referral and was interviewed in Aug 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Find k min elements in given array.
- Ans.
Find k min elements in given array.
Sort the array and return the first k elements.
Use a min heap of size k to find the k min elements.
Use quickselect algorithm to find the kth smallest element and return first k elements smaller than it.
- Q2. Find that given tree is BST or not.
- Ans.
Check if a given tree is a Binary Search Tree (BST) or not.
Traverse the tree in-order and check if the elements are in ascending order.
Check if the maximum value in the left subtree is less than the root and the minimum value in the right subtree is greater than the root.
Use recursion to check if all subtrees are BSTs.
Time complexity: O(n), Space complexity: O(h) where h is the height of the tree.
- Q3. Find pair in BST with given sum
- Ans.
Given a BST and a sum, find a pair of nodes whose values add up to the given sum.
Traverse the BST in-order and store the nodes in a list
Use two pointers approach to find the pair with the given sum
If the sum is less than the current pair, move the right pointer to the left
If the sum is greater than the current pair, move the left pointer to the right
If the sum is equal to the current pair, return the pair
Time complexit
Interview Preparation Tips
2 technical round ( DS Algo)
1 managerial round ( General past working experiences questions)
Skills evaluated in this interview
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inFeedo Backend Developer Interview Process for Experienced
based on 1 interview
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