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Foodhub Staff Engineer Interview Questions and Answers
Foodhub Staff Engineer Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed before Jun 2021. There were 3 interview rounds.
(3 Questions)
- Q1. Learn Js & Aws services atleast Lambda, Rds, Dynamo, Cloudfront, EKS, Sqs,...
- Q2. Be strong on what you learnt and you did in your projects.
- Q3. If you are experienced > 4 years , you should be aware of architecture of application. You should be able to solve scenarios.
(1 Question)
- Q1. Discussion on your CTC
Interview Preparation Tips
- Javascript
- AWS
- Architecture
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement
Interview Preparation Tips
Experience: They selected 10 students from our college from CS and IT .They are looking for guys with extra projects done during college .App development will be a bonus ,contribution to open source and competitive programming will help for shortlisting.
Some of my friends had research papers published and they too got selected.
Round: Test
Experience: Have to write code snippet for 4 questions in 45 minutes
1.Difference between hour hand and minute hand
2.longest palindromic sub string.
3.Product Array puzzle
4.Some question related to matrix
Tips: All question were from geeksforgeeks
So practice it well ..u will make through it
Round: Test
Experience: Long Discussion on projects
They will scan each and every line of your Resume ,so dont write bullshits..
I wrote about interest in AI and got screwed..Discussion on college projects and final year project.
Then asked me to design a snake and ladder game OOPS concepts
Told me to find sum of all elements of sub matrix..(hint pre-processing the matrix)
Asked me about sessions and cookies
Gave a query to write on database indexing (dont remember exactly)
Asked me the code of the difference between hour hand and minute hand and extended it wid the second hand
Asked me as how to implement a dictionary
asked about TRIES ,CODE SNIPPET ON THE SHARED DOCS
One of my friend was asked to implement (set) of STL
Tips: The interviewer was cool guy..helped me a lot always made me comfortable.Interact with them as much as possible
Round: Test
Experience: Wid the CTO of the company .
Started wid the projects again .ACID properties,Database transactions,Concurrency Control
Optimization in database.
Then he asked me to code a function
Given a hash function applied on letters of English words ,un-hash it.Took me 45 minutes to reach the solution ,he helped me a lot.
Asked me to write the code for diameter of a binary tree
Asked me write the code for Boolean Matrix
One of my friend was asked to a question in which there was a bug in a m*n matrix and we have to find the bug(hint dfs or bfs)
Tips: keep calm ,,just keep talking ad he will help u a lot...
Round: HR
Experience: This was the toughest round for me...I had cleared all the rounds but they rejected me in the HR round ,,,dont know where I screwed..Learn every thing of Zomato..
They offered me an internship and thereafter they would look to give a PPO ...!!!lets see what happens
Skills: Coding Skills And Knowledge On Data Structures
Duration: 3
College Name: NIT Srinagar
Interview Questionnaire
9 Questions
- Q1. Write a regex for email validation?
- Ans.
Regex for email validation
Start with a string of characters followed by @ symbol
Followed by a string of characters and a period
End with a string of characters with a length of 2-6 characters
Allow for optional subdomains separated by periods
Disallow special characters except for . and _ in username
- Q2. Parse the XML? and store the output in JSON. Discussed different approaches?
- Q3. Print prime numbers in a given range and optimize the solution?
- Ans.
Print prime numbers in a given range and optimize the solution.
Use Sieve of Eratosthenes algorithm to generate prime numbers efficiently
Start with a boolean array of size n+1, mark all as true
Loop through the array and mark all multiples of each prime as false
Print all the indexes that are still marked as true
- Q4. Puzzle – 25 horses – 5 lanes, find fastest 3 horses?
- Q5. Web related questions on Sessions and cookies?
- Q6. A lot of discussion on my resume, experience etc
- Q7. Find angle between hour hand and minute hand in clock if time is given? Write a program or pseudo code?
- Ans.
Find angle between hour and minute hand in a clock given the time.
Calculate the angle made by the hour hand with respect to 12 o'clock position
Calculate the angle made by the minute hand with respect to 12 o'clock position
Find the difference between the two angles and take the absolute value
If the angle is greater than 180 degrees, subtract it from 360 degrees to get the smaller angle
- Q8. A hash function was written to convert a string into a hash. Write a un-hash function to revert it(from hash to string)?
- Ans.
To un-hash a string, use a reverse algorithm to convert the hash back to the original string.
Create a reverse algorithm that takes the hash as input and outputs the original string
Use the same logic as the hash function but in reverse order
If the hash function used a specific algorithm, use the inverse of that algorithm to un-hash the string
- Q9. He discussed about expectations and role. Asked me if I have any questions. He said to me “yaha aana hai to marwani padegi. tyar ho”? I smiled and asked what are the work timings? He said 9-9 and I was kin...
Interview Preparation Tips
Skills: Web development, JSON, Algorithm
College Name: na
Motivation: Overall process was not very tough. But they have start up culture. People work their for 11-12 hours a day. Sometimes on Saturday as well. So people who are geeks or have nothing in life to do except their job can go and join
Skills evaluated in this interview
I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.
(1 Question)
- Q1. A brief introduction about yourself
(1 Question)
- Q1. Just a normal conversation and self handling situation
Interview Preparation Tips
There are 2 questions Both are average everyone can do.
(1 Question)
- Q1. Left view of Binary tree
- Ans.
Left view of Binary tree is the set of nodes visible when the tree is viewed from the left side.
Traverse the tree level by level from left to right
Keep track of the first node encountered at each level
Example: For a tree with root node A and left children B and C, the left view would be [A, B]
Interview Preparation Tips
Skills evaluated in this interview
Anukul Kumar
(1 Question)
- Q1. JavaScript based, reduce, map, Database indexing
I applied via Campus Placement and was interviewed in Jul 2022. There was 1 interview round.
(1 Question)
- Q1. DSA problems on linked list, OOPs in depth programming, design pattens in Java. Some theoretical knowledge on OOPs and design patterns
Interview Preparation Tips
Medium to hard questions based on arrays, dp
(2 Questions)
- Q1. Quick sort algorithm
- Ans.
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
Divides array into smaller sub-arrays based on a pivot element
Recursively sorts sub-arrays
Combines sorted sub-arrays to get final sorted array
Time complexity: O(n log n) on average, O(n^2) worst case
Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
- Q2. Modified rotate a matrix
- Ans.
Rotate a matrix by 90 degrees in place
Transpose the matrix
Reverse each row of the transposed matrix
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Agilysys Technologies India
Neela Kandan
posted on 4 Jan 2025
I applied via Company Website and was interviewed before Jan 2024. There were 2 interview rounds.
Online technical aptitude test
(1 Question)
- Q1. Related oops and old company projects
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
Asked array questions medium level
(2 Questions)
- Q1. About my internships
- Q2. And projects in detail
Interview Preparation Tips
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