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COVETUS Senior Software Developer Interview Questions, Process, and Tips
COVETUS Senior Software Developer Interview Experiences
1 interview found
Selected
I applied via LinkedIn and was interviewed in Dec 2022. There were 3 interview rounds.
(5 Questions)
- Q1. 1. Difference between get,put and post methods.
- Ans.
GET is used to retrieve data, PUT is used to update data, and POST is used to create new data.
GET method is used to retrieve data from a server.
PUT method is used to update existing data on a server.
POST method is used to create new data on a server.
GET requests are idempotent, while PUT and POST requests are not.
GET requests should not have side effects, while PUT and POST requests can.
Example: GET method can be used ...
- Q2. What are SQL or stored procedure optimization techniques
- Ans.
SQL or stored procedure optimization techniques aim to improve performance by reducing execution time and resource usage.
Use indexes to speed up data retrieval
Avoid using SELECT * and instead specify only the necessary columns
Minimize the use of functions in WHERE clauses
Avoid using cursors and opt for set-based operations
Regularly analyze query execution plans for potential optimizations
- Q3. Difference between Stored procedure and function
- Ans.
Stored procedures are precompiled SQL queries stored in the database, while functions are user-defined routines that return a value.
Stored procedures can perform DML operations, while functions are used to compute and return a value.
Stored procedures can have input and output parameters, while functions can only have input parameters.
Stored procedures can call functions, but functions cannot call stored procedures.
- Q4. What are viewdata, viewbag and tempdata in MVC
- Ans.
ViewData, ViewBag, and TempData are used to pass data from controller to view in ASP.NET MVC.
ViewData is a dictionary object used to pass data from controller to view. It requires typecasting to retrieve data.
ViewBag is a dynamic property used to pass data from controller to view. No typecasting is required.
TempData is a dictionary object used to pass data from one controller to another or from one action to another.
Ex...
- Q5. What's are triggers in SQL server
- Ans.
Triggers in SQL server are special stored procedures that are automatically executed in response to certain events on a particular table or view.
Triggers can be used to enforce business rules, audit changes, or maintain referential integrity.
There are two main types of triggers in SQL server: DML triggers and DDL triggers.
DML triggers are fired in response to data manipulation language (DML) events like INSERT, UPDATE,...
(3 Questions)
- Q1. What's your family background
- Q2. What's your salary expectation
- Q3. When can you join
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. 1. Explain SCD Type 2 Implementation in Informatica
- Ans.
SCD Type 2 is a technique used to track historical changes in data over time in a data warehouse.
SCD Type 2 maintains a separate row for each change in data, with a start and end date.
It requires a surrogate key to uniquely identify each row.
Informatica provides a built-in SCD Type 2 transformation to implement this technique.
Example: tracking changes in customer addresses over time.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.
Moderate level aptitude with basics
Moderate level data structure questions
Interview Preparation Tips
Interview Preparation Tips
Experience: Technical on paper test questions:(dis was only for 12 among d 26 shortlisted ppl after apti...others directly had interviews)
5 wer selected in this test who wer nw sent for interviews
TECHNICAL INTERVIEW: (pls list the questions asked in all the rounds)
26 shortlisted after apti (14 directly for interviews & 12 had one more technical on paper test...mentioned above)
der wer min 2 technical rounds for each of them...max were 5
- You are given course dependencies
A->B,C
B->D
C->A
D->nothing
The above dependencies mean...if you want to take course A...you should take courses B and C first....To take B,Course D must be taken first....D is an independent course and can be taken without any prior requirements.
Now you are told these dependencies.Come up with an appropriate data structure to represent these dependencies.Then write a code that finds out all the courses that the student can take up...in this case the student can first take course D because its independent.Now that course D has been taken he can next take up B as it depends on B alone...But the courses A and C can never be taken because they depend on each other...So here all the courses that can be taken are B and D.
After i wrote the code....he asked for all possible test cases
-Given an array of length N....It can be filled with nos. only from 1 to N....find which nos are repeated in the array
-Given pointers to two nodes in a binary tree....find their least common ancestor...each node has pointer to only the parent node...not the left and right child..
-In a binary tree(Not necessarily a BST)...suppose the weight of any node is defined as the product of the key value of the node and the level of the node(Root at level 1)...find the node with maximum weight in the binary tree
-A sorted array of size n is right circularly rotated k times and this rotated array is given to you as input...Find out the value of k in log n time .
-There are some processes running at time T....and there are processes running at time T+30.
You have to find out
1)Which processes died at time T+30,which were alive at time T
2)Which are the new processes at time T+30,which were not there at time T
3)Which are the processes that were there at time T and are still running at time T+30
What data structure will you use to represent the process lists and write code to find out the answers to the 3 questions above
-Given a binary search tree...and a target sum...starting at the root...which all paths add up to the target sum?...if there are multiple paths....return the path with least no. of nodes.
College Name: Veermata Jijabai Technological Institute, Mumbai [ VJTI ]
Software Developer Interview Questions & Answers
JPMorgan Chase & Co.
Anonymous
posted on 10 May 2015
Interview Questionnaire
11 Questions
- Q1. What is the difference between multi tasking, multi processing and multi programming operating systems with examples ?
- Ans.
Multi tasking, multi processing, and multi programming are different approaches to managing tasks in an operating system.
Multi tasking allows multiple tasks to run concurrently on a single processor.
Multi processing involves multiple processors running tasks simultaneously.
Multi programming allows multiple programs to be loaded into memory and executed concurrently.
Examples of multi tasking operating systems include Wi...
- Q2. Tell me about memory allocation (stack vs. heap)?
- Ans.
Memory allocation refers to the process of assigning memory to programs during runtime.
Stack allocation is done automatically and is limited in size.
Heap allocation is done manually and is larger in size.
Stack memory is used for local variables and function calls.
Heap memory is used for dynamic memory allocation.
Memory leaks can occur if heap memory is not properly managed.
- Q3. You have two threads one printing even numbers in order and other odd numbers. Design an algorithm so that it prints numbers in natural order?
- Ans.
Use a shared variable and synchronization mechanisms to ensure natural order printing of numbers.
Create two threads, one for printing even numbers and the other for printing odd numbers.
Use a shared variable to keep track of the current number to be printed.
Implement synchronization mechanisms like locks or semaphores to ensure only one thread can access the shared variable at a time.
Each thread should check if it is i...
- Q4. Print a matrix in spiral order?
- Ans.
Printing a matrix in spiral order
Start from the first element and print it
Move in a spiral order towards the center of the matrix
Repeat until all elements are printed
- Q5. Thread class and Runnable Interface?
- Ans.
Thread class and Runnable Interface are used for multithreading in Java.
Thread class is a predefined class in Java that provides methods to create and control threads.
Runnable interface is used to define a task that can be executed by a thread.
Thread class implements Runnable interface.
Thread class provides more control over threads than Runnable interface.
Example: Thread t = new Thread(new MyRunnable()); t.start();
Exa...
- Q6. What’s the difference between a Linked List and an ArrayList and give me an example of when to use which?
- Ans.
Linked List is a dynamic data structure while ArrayList is a static data structure.
Linked List is best for frequent insertion and deletion operations.
ArrayList is best for frequent access operations.
Linked List uses more memory than ArrayList.
ArrayList is faster than Linked List for accessing elements.
Use Linked List when you need to frequently add or remove elements from the list.
Use ArrayList when you need to frequen
- Q7. Questions of OS concepts?
- Q8. A role play scenario was given. With a clear instruction on I don’t need to know the basis and the hypothetical assumption was presented. I was told that I was expected to respond to the given scenario, in...
- Q9. Why are you interested in a career in investment banking?
- Ans.
I am not interested in a career in investment banking.
I am more interested in a career in software development
I enjoy problem-solving and creating innovative solutions through coding
Investment banking does not align with my passion and skill set
- Q10. Why have you chosen to apply to J.P. Morgan?
- Ans.
I have chosen to apply to J.P. Morgan because of their reputation, global presence, and opportunities for growth.
J.P. Morgan has a strong reputation in the financial industry.
They have a global presence with offices in multiple countries.
The company offers various opportunities for career growth and development.
J.P. Morgan is known for its innovative technology solutions in the financial sector.
I am impressed by their ...
- Q11. Have you ever made a mistake? Tell us about it?
- Ans.
Yes, I have made a mistake in my previous project.
I underestimated the complexity of a task and ended up missing the deadline.
I failed to properly test a feature, resulting in a bug that affected user experience.
I accidentally deleted an important file without having a backup.
I misunderstood a requirement and implemented a feature incorrectly.
Interview Preparation Tips
Total Questions: 1
General Tips: Interview Process: Aptitude test, followed by 3 rounds of interview. Interview process was very good. Just be positive to clear the interview.
Check this link before appearing for interview with JP Morgan. It will help -----
Skills: Algorithm, Data structure, Stack
College Name: Na
Skills evaluated in this interview
Sharat chandra
Interview Questionnaire
1 Question
- Q1. Asked many Dbsa questions. You need to be thorough about the joins in the databases.
Interview Preparation Tips
Experience: Practice questions on Indiabix.
Round: Technical Interview
Experience: Operating Systems basics, Dbsa basics
General Tips: 1: Be Confident.
2: Keep Smiling.
3: Do not be Panic.
4: Remember they are here to hire you but not reject you.
5: Do not loose hope.
6: Believe at yourself.
7: Start preparing early.
8: Do demo interviews with your friend.
Skill Tips: Make sure you do a course on object oriented programming
Skills: C, Sql, Java
College Name: BITS PILANI
Motivation: Every body joins a comapny for making a software or earning money. But I was always motivated to MAKE MONEY. I have taken this job because they have very extensive work in Share Market and they have lots of MBA from IIM's, Lots of CAs, CS. Thats why i have choosen Edelweiss. I have rejected epic System USA for this profile.
Interview Preparation Tips
Experience: The test was for two and half hours where 1 hour was for general aptitude, 1 hr was for coding aptitude(either on java or C or C++as you choose) and 1/2 an hour for two coding questions.
Round: Technical Interview
Experience: In technical round they asked puzzles, aptitude questions and basic C coding. I was asked to write the code for two questions(one was on sort and search) and was asked the logic of two questions.They asked basics of linked lists, stacks, queues. Infact they were not very interested in the syntax and were pressing on the logic
General Tips: Being a non software branch students is not at all a problem. The company took 4 interns where 3 were from core branches. The fact that we had to work in JAVA and most of us didn't know JAVA, the company only looks for aptitude and ability to learn. So if you don't know anything, tell frankly that you don't know that part, rather than guessing. Be thorough with what you know and confidentially answer all the questions.
Also do not be tensed and take things lightly, if the interviewer is joking. Be candid.
Skill Tips: Learn basics of coding from books . Aptitude can be done from sites likes geeks for geeks, etc. The level of aptitude is not very high and infact the coding aptitude is also theoretical and does not involve in depth knowledge.
Skills:
College Name: NIT Surathkal
Interview Preparation Tips
Experience: Online Test (General aptitude, C aptitude ,Programming problems).
General Tips: Study basics of C and DSA well. Utilize the last summer vacations for studying for placements. Be confident and Honest.
Yes it is challenging and exhausting. It tests your patience. But final reward is also great so we must keep going toward it.
Skill Tips: Online coding sites such as Codechef, etc. Narasimha Karumanchi for data structures and algorithm will help in preparation.
Skills:
College Name: NIT Surathkal
Aqel Ahammad
I applied via Campus Placement
Interview Questionnaire
2 Questions
- Q1. How can a chemical Engineer help citi?
- Ans.
A chemical engineer can help Citi by providing expertise in process optimization, risk management, and sustainability.
Optimizing Citi's manufacturing processes to reduce costs and increase efficiency
Developing risk management strategies to ensure compliance with environmental regulations
Implementing sustainable practices to reduce Citi's environmental impact
Providing technical expertise in chemical reactions and materi...
- Q2. He asked me about my JEE Rank, preparations
Interview Preparation Tips
Experience: I had done many web and android apps. They asked me about my institute experience, things I have done here. It was an easy walk for me.
Skills: SQL, Java Programming
Duration: 2
College Name: IIT Madras
I appeared for an interview before Mar 2021.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Medium
Technical Interview round with questions based on DSA.
- Q1.
Duplicate Integer in Array
Given an array
ARRof sizeN, containing each number between 1 andN-1at least once, identify the single integer that appears twice.Input:
The first line contains an integer... - Ans.
Identify the duplicate integer in an array containing numbers between 1 and N-1.
Iterate through the array and keep track of the frequency of each element using a hashmap.
Return the element with a frequency greater than 1 as the duplicate integer.
Ensure the constraints are met and a duplicate number is guaranteed to be present.
- Q2.
Sum Root to Leaf Numbers
You are given an arbitrary binary tree consisting of N nodes, each associated with an integer value from 1 to 9. Each root-to-leaf path can be considered a number formed by concat...
- Ans.
Calculate the total sum of all root to leaf paths in a binary tree formed by concatenating node values.
Traverse the binary tree from root to leaf nodes, keeping track of the current path sum
Add the current node value to the path sum and multiply by 10 for each level
When reaching a leaf node, add the final path sum to the total sum
Return the total sum modulo (10^9 + 7)
- Q3.
Topological Sort Problem Statement
You are given a directed acyclic graph (DAG). Your task is to perform topological sorting of the graph and return any valid ordering.
Explanation:
A directed acyclic g...
- Ans.
Implement a function to perform topological sorting on a directed acyclic graph (DAG) and return any valid ordering.
Create a graph data structure to represent the DAG
Use depth-first search (DFS) to perform topological sorting
Maintain a visited array to keep track of visited nodes
Return the ordering of nodes after DFS traversal
(3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions based on DSA.
- Q1.
LCA of Binary Tree Problem Statement
You are given a binary tree consisting of distinct integers and two nodes,
XandY. Your task is to find and return the Lowest Common Ancestor (LCA) of these two nodes... - Ans.
Find the Lowest Common Ancestor (LCA) of two nodes in a binary tree.
Traverse the binary tree to find the paths from the root to nodes X and Y.
Compare the paths to find the last common node, which is the LCA.
Handle cases where one node is an ancestor of the other.
Consider edge cases like when X or Y is the root node.
Implement a recursive or iterative solution to find the LCA efficiently.
- Q2.
Rotated Array Minimum Finder
You are provided with a sorted array that has undergone 'K' rotations (the exact value of 'K' is unknown). A rotation involves shifting each element of the array to the right,...
- Ans.
Implement a function to find the minimum number in a rotated sorted array efficiently.
Use binary search to find the minimum element in the rotated array.
Compare the mid element with the start and end elements to determine which half of the array to search next.
Continue the binary search until the minimum element is found.
- Q3.
Maximum Binary Tree Construction Problem
Given an array
TREEof 'N' unique integers, construct a maximum binary tree using the following rules:- The root of this tree is the maximum number in
TREE. - T...
- The root of this tree is the maximum number in
- Ans.
Construct a maximum binary tree from an array of unique integers following specific rules.
Find the maximum number in the array to set as the root of the tree.
Recursively construct the left subtree with elements before the maximum number.
Recursively construct the right subtree with elements after the maximum number.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
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COVETUS Senior Software Developer Interview Process
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