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I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
Developed a web application for tracking and managing inventory in a retail store.
Used React.js for front-end development
Implemented RESTful APIs using Node.js and Express
Utilized MongoDB for database management
Integrated barcode scanning functionality for efficient inventory management
My favorite framework in PHP is Laravel because of its elegant syntax, powerful features, and extensive documentation.
Laravel has a clean and expressive syntax which makes coding in PHP more enjoyable.
It comes with a wide range of built-in features like authentication, routing, and caching, saving time and effort in development.
Laravel has a strong community support and extensive documentation, making it easy to find s...
I implement security standards such as HTTPS, encryption, firewalls, and regular security audits to secure a website.
Implementing HTTPS to encrypt data transmitted between the website and users
Using encryption algorithms to protect sensitive data stored on the server
Setting up firewalls to monitor and control incoming and outgoing traffic
Conducting regular security audits to identify and address vulnerabilities
Implemen...
OWASP (Open Web Application Security Project) and OAuth (Open Authorization) are important security standards in software development.
OWASP is a non-profit organization focused on improving software security
OWASP provides resources such as guidelines, tools, and best practices for secure development
OAuth is an authorization framework that allows third-party applications to access user data without sharing passwords
OAut...
Seeking new challenges and opportunities for growth in a different environment.
Looking for new challenges and opportunities for growth
Interested in working with new technologies or industries
Seeking a better work-life balance or company culture
Wanting to relocate to a different city or country
Yes, I am willing to relocate to Coimbatore.
I am open to new opportunities and experiences in different locations.
I have relocated for previous job opportunities and have adapted well to new environments.
Coimbatore is a growing tech hub with great career prospects.
My expected CTC is negotiable and depends on the overall compensation package offered.
My expected CTC is based on my experience, skills, and the market rate for Senior Software Engineers.
I am open to discussing the compensation package and benefits provided by the company.
I am looking for a competitive salary that reflects my expertise and contributions to the team.
Yes, I have managed a team of 5 software engineers in my current organization.
Managed a team of 5 software engineers in current organization
Assigned tasks, provided guidance, and conducted performance evaluations
Implemented Agile methodologies to improve team efficiency
I update my knowledge through online courses, attending conferences, reading industry blogs, and collaborating with colleagues.
Taking online courses on platforms like Coursera or Udemy
Attending industry conferences and workshops
Reading industry blogs and publications
Collaborating with colleagues on projects and sharing knowledge
I applied via Naukri.com and was interviewed before Jan 2023. There were 2 interview rounds.
Do's and don'ts while developing a web application
Do use secure coding practices to prevent vulnerabilities
Do optimize performance by minimizing server requests and using caching
Do follow web standards and best practices for compatibility
Don't hardcode sensitive information like passwords or API keys
Don't neglect error handling and proper input validation
Don't forget to test thoroughly across different browsers and dev
Some security standards other than passport are OAuth, SSL/TLS, HIPAA, PCI DSS, ISO 27001.
OAuth: An open standard for authorization, commonly used for granting access to third-party applications.
SSL/TLS: Protocols that provide secure communication over a network, commonly used for securing websites.
HIPAA: Health Insurance Portability and Accountability Act, a US law that sets standards for protecting sensitive patient ...
Create an API in Laravel.
I appeared for an interview before Aug 2022.
PIP process involves setting goals, monitoring progress, providing feedback, and evaluating performance.
Identify performance issues and set specific goals for improvement
Regularly monitor progress and provide feedback to the employee
Offer support and resources to help the employee meet the goals
Evaluate performance at the end of the PIP period and determine next steps
Document all steps and discussions throughout the pr
Absentism calculation formula
Absenteeism rate = (Number of days absent / Total number of workdays) x 100
Example: If an employee is absent for 5 days out of 20 workdays, the absenteeism rate would be (5/20) x 100 = 25%
This formula helps organizations track and analyze employee absenteeism patterns
posted on 11 Mar 2022
I appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
This was a test round where 10 aptitude based questions were to be solved in 60 minutes
Round duration - 60 minutes
Round difficulty - Medium
They took us to the lab for this on and we were each given a paper with a program on it. It was all mixed as in each person got a different paper, You have around an hour to finish coding. after which you have to explain your code. They also gave wrong or incorrect inputs and see how your code handles these exceptions.
You are given a string STR
which contains alphabets, numbers, and special characters. Your task is to reverse the string.
STR = "abcde"
"e...
Reverse a given string containing alphabets, numbers, and special characters.
Iterate through the string from the end to the beginning and append each character to a new string.
Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.
Handle special characters and numbers along with alphabets while reversing the string.
Ensure to consider the constraints provided in th...
Given an unsorted array containing 'N' integers, you are required to find 'K' largest elements from the array and return them in non-decreasing order.
The fir...
Implement a function to find K largest elements in an unsorted array in non-decreasing order.
Create a min heap of size K and insert the first K elements of the array
For each remaining element, if it is larger than the root of the heap, replace the root with the element and heapify
Finally, the heap will contain the K largest elements in non-decreasing order
Given a string str
and a character 'X', develop a function to eliminate all instances of 'X' from str
and return the resulting string.
The first lin...
Develop a function to remove all instances of a given character from a string.
Iterate through the string and build a new string excluding the specified character.
Use a StringBuilder or similar data structure for efficient string manipulation.
Handle edge cases like empty string or character not found in the input string.
Ensure the function completes within the given time constraint.
Ninja is tasked with printing a triangle pattern based on a given number 'N' for any test case.
N = 4
1
232
34545
4567654
The pat...
Print a triangle pattern of numbers based on a given number 'N'.
Iterate through each row and column to determine the numbers to print
Use a combination of spaces and numbers to align the pattern correctly
Increment the numbers in each row based on the row number
Round duration - 60 minutes
Round difficulty - Easy
Compared to the other round this is more tech oriented. Lot more tech questions. It is of normal difficulty and is not that hard to clear, you only need to know the basics.
Very basic of Data Structure and Oracle knowledge enough. Lots of simple questions from data structures(insert into heaps etc). They did not ask to write code for DS, but rather to explain the logic through diagrams. For some complicated question, they expect how much you brainstorm ideas in solving
Convert a given binary tree into its mirror tree, where the left and right children of all non-leaf nodes are interchanged.
An integer ‘T’ denoting the number o...
Convert a binary tree into its mirror tree by interchanging left and right children of non-leaf nodes.
Traverse the tree in postorder fashion and swap the left and right children of each node.
Use recursion to solve the problem efficiently.
Modify the binary tree in place without creating a new tree.
Given an array ARR
consisting of N
integers, your task is to use the Heap sort algorithm to arrange the array in non-decreasing order.
The first line of the input cont...
Implement the Heap sort algorithm to arrange an array in non-decreasing order.
Implement the Heap sort algorithm to sort the given array in non-decreasing order
Use a max heap to sort the array in non-decreasing order
Time complexity of Heap sort is O(n log n)
Indexing in databases is a technique used to improve the speed of data retrieval by creating a data structure that allows for quick lookups.
Indexes are created on specific columns in a database table to speed up queries that search for data in those columns.
Indexes work similar to the index of a book, allowing the database to quickly locate the desired data without having to scan the entire table.
Examples of indexes in...
Hash Table is better for fast lookups and insertions, while B Tree is better for range queries and ordered traversal.
Use Hash Table for fast lookups and insertions with O(1) average time complexity.
Use B Tree for range queries and ordered traversal with O(log n) time complexity.
Consider the size of the dataset and the specific operations needed to determine the best data structure.
Round duration - 30 minutes
Round difficulty - Easy
This round lasted for around 30 minutes. It more of a character analysis round with a lot of HR type questions.
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.
posted on 11 Mar 2022
I appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
10 Aptitude questions with difficulty level hard were asked in this test.
The minimum number of planes required to go around the world is one.
One plane can fly around the world without needing to stop.
The plane can refuel mid-air or carry enough fuel for the entire journey.
Examples: Non-stop flights like the Boeing 787 Dreamliner or Airbus A350 can circumnavigate the globe with one plane.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions based on data structures and algorithms. Questions about previous projects done and my roles on it and my leadership capabilities. Few technical questions from Threads and multi-processing.
You are given an N * N matrix of integers where each row and each column is sorted in increasing order. Your task is to find the positi...
Given a sorted N * N matrix, find the position of a target integer 'X'.
Start from the top-right corner of the matrix and compare the target with the element at that position.
Based on the comparison, move left or down in the matrix to narrow down the search.
Repeat the process until the target is found or the search goes out of bounds.
Return the position of the target if found, else return {-1, -1}.
Ninja has a number 'N'. Your task is to generate a pattern where the outer rectangle is filled with the number 'N', and as you move inward, the numbers decrease conse...
Generate a pattern with outer rectangle filled with number 'N' and decreasing consecutively inward.
Start by filling the outermost rectangle with the number 'N'.
Decrease the numbers consecutively as you move inward towards the center.
Continue this pattern until you reach the center of the rectangle.
Round duration - 60 minutes
Round difficulty - Medium
DSA based questions were asked in this round. Questions on implementation of Linux directory structure were also asked.
You are provided with a binary array, i.e., an array containing only 0s and 1s. Your task is to sort this binary array and return it after sorting.
The fir...
Yes, the binary array sorting problem can be solved in linear time and constant space using a single traversal.
Use two pointers approach to swap 0s to the left and 1s to the right.
Maintain two pointers, one for 0s and one for 1s, and swap elements accordingly.
Example: Input: [1, 0, 1, 0, 1], Output: [0, 0, 1, 1, 1]
You are given an array arr
of length N
. For each element in the array, find the next greater element (NGE) that appears to the right. If there is no such greater ele...
The task is to find the next greater element for each element in an array to its right, if no greater element exists, return -1.
Iterate through the array from right to left and use a stack to keep track of elements.
Pop elements from the stack until a greater element is found or the stack is empty.
Store the next greater element for each element in the output array.
BST is a binary tree structure where each node has at most two children, while Tries are tree structures used for storing strings.
BST is used for searching, inserting, and deleting elements in a sorted manner.
Tries are used for storing and searching strings efficiently.
BST has a hierarchical structure with left and right child nodes.
Tries have nodes representing characters, forming a tree-like structure for strings.
Exa...
Round duration - 60 minutes
Round difficulty - Easy
This was a technical round. Questions about previous projects and current one were asked. I was also asked about aptitude problems from the first round and how I understood and approached towards solution?
Given an integer N
, find all possible placements of N
queens on an N x N
chessboard such that no two queens threaten each other.
A queen can attack another queen if they ar...
The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard without threatening each other.
Use backtracking algorithm to explore all possible configurations.
Keep track of rows, columns, and diagonals to ensure queens do not threaten each other.
Generate valid configurations recursively and backtrack when a solution is not possible.
You are provided with an integer array/list ARR
of length N. Your task is to determine if it is possible to construct at least one non-degenerate triangle using the value...
Check if it is possible to form a non-degenerate triangle using the sides provided in the array.
Check if the sum of any two sides is greater than the third side for all combinations.
If any such combination exists, return true; otherwise, return false.
Handle multiple test cases as per the constraints provided.
Round duration - 30 minutes
Round difficulty - Easy
Behavioral questions and team skills were discussed in this round.
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.
Multithreading is the ability of a program to perform multiple tasks concurrently.
Multithreading allows for better utilization of CPU resources
It can improve program performance and responsiveness
Examples include running multiple downloads simultaneously or updating a GUI while performing a background task
Synchronization is important to prevent race conditions and ensure thread safety
Multithreading in Java allows concurrent execution of multiple threads.
Java provides built-in support for multithreading through the java.lang.Thread class.
Threads can be created by extending the Thread class or implementing the Runnable interface.
The start() method is used to start a new thread, which calls the run() method.
Synchronization mechanisms like synchronized blocks and locks can be used to control access to ...
No, Java does not support multiple inheritance. However, interfaces can inherit multiple interfaces.
Java does not allow a class to inherit from multiple classes.
This is because multiple inheritance can lead to ambiguity and conflicts.
However, a class can implement multiple interfaces in Java.
An interface can extend multiple interfaces, allowing for inheritance of multiple interfaces.
This is known as interface inheritan
DO-WHILE loop executes the code block at least once, while WHILE loop executes only if the condition is true.
DO-WHILE loop checks the condition at the end of the loop
WHILE loop checks the condition at the beginning of the loop
DO-WHILE loop executes the code block at least once
WHILE loop may not execute the code block at all if the condition is false
I would rate myself as an 8 on a scale of 1-10.
I have a strong understanding of software development principles and practices.
I have experience working with multiple programming languages and frameworks.
I am skilled in problem-solving and debugging.
I have successfully delivered complex software projects in the past.
I continuously strive to learn and improve my skills.
Display data of two tables by joining them using a common column.
Use SQL JOIN statement to combine data from two tables based on a common column.
Choose the appropriate type of JOIN based on the relationship between the tables.
Specify the columns to be displayed in the SELECT statement.
Use aliases to differentiate between columns with the same name in both tables.
Apply any necessary filters or sorting to the result set.
Networking refers to the process of connecting devices and systems to share information and resources.
Networking involves the use of hardware and software to connect devices and systems.
It allows for the sharing of information and resources such as files, printers, and internet access.
Networking can be done through wired or wireless connections.
Examples of networking technologies include Ethernet, Wi-Fi, and Bluetooth.
...
A router is a networking device that forwards data packets between computer networks.
A router operates at the network layer of the OSI model.
It uses routing tables to determine the best path for data packets to reach their destination.
Routers can connect multiple networks together, such as LANs and WANs.
They provide network address translation (NAT) to allow multiple devices to share a single public IP address.
Routers ...
Subnetting is the process of dividing a network into smaller subnetworks, called subnets, to improve network efficiency and security.
Subnetting allows for better utilization of IP addresses by dividing a network into smaller segments.
It helps in improving network performance by reducing network congestion.
Subnetting enhances network security by isolating different departments or devices within a network.
It enables effi...
Protocols are a set of rules and guidelines that govern the communication between devices or systems.
Protocols define the format and order of messages exchanged between devices.
They ensure reliable and efficient communication by specifying error detection and correction mechanisms.
Examples of protocols include TCP/IP, HTTP, SMTP, and FTP.
Protocols can operate at different layers of the network stack, such as the applic
Static protocols are fixed and do not change, while dynamic protocols can adapt to changing network conditions.
Static protocols are typically used in simple networks with predictable traffic patterns.
Dynamic protocols are used in complex networks with varying traffic patterns.
Examples of static protocols include ARP and RARP.
Examples of dynamic protocols include OSPF and BGP.
TCS is a leading global IT services company with a strong reputation and diverse opportunities for growth.
TCS has a strong reputation in the IT industry for delivering high-quality services and solutions.
TCS offers diverse opportunities for growth and career development.
TCS has a global presence, providing exposure to different cultures and working environments.
TCS values innovation and encourages employees to think cr...
I expect to receive proper training and support to transition into the IT field successfully.
I expect to be provided with relevant training and resources to learn the necessary skills for the role.
I hope for guidance and mentorship from experienced IT professionals within the company.
I am eager to contribute my non-IT skills and knowledge to the team, bringing a fresh perspective.
I am committed to putting in the effort...
Multithreading is the ability of a program to perform multiple tasks concurrently.
Multithreading allows for better utilization of CPU resources
It can improve program performance and responsiveness
Examples include running multiple downloads simultaneously or updating a GUI while performing a background task
Synchronization is important to prevent race conditions and ensure thread safety
Java supports multithreading through the java.lang.Thread class and java.util.concurrent package.
Java threads are created by extending the Thread class or implementing the Runnable interface.
Threads can be started using the start() method.
Synchronization can be achieved using synchronized keyword or locks.
Java provides several classes and interfaces to support concurrent programming such as Executor, ExecutorService, F...
Java does not support multiple inheritance, but interfaces can inherit multiple interfaces.
Java does not allow a class to inherit from multiple classes, but it can implement multiple interfaces.
Interfaces can inherit from multiple interfaces using the 'extends' keyword.
For example, interface C can extend interfaces A and B: 'interface C extends A, B {}'
Do-While loop executes the code block once before checking the condition, while loop checks the condition first.
Do-While loop is used when the code block needs to be executed at least once.
While loop is used when the code block may not need to be executed at all.
Do-While loop is less efficient than While loop as it always executes the code block at least once.
Example of Do-While loop: do { //code block } while (conditi...
Join the tables on a common column and display the combined data.
Identify the common column in both tables
Use JOIN statement to combine the tables
Select the columns to display
Apply any necessary filters or sorting
Display the data in a table or list format
Primary key uniquely identifies a record in a table, while unique key ensures uniqueness of a column.
Primary key cannot have null values, while unique key can have one null value.
A table can have only one primary key, but multiple unique keys.
Primary key is used as a foreign key in other tables, while unique key is not.
Example: Employee ID can be a primary key, while email address can be a unique key.
I have a strong background in software development, excellent problem-solving skills, and a passion for learning new technologies.
Extensive experience in programming languages such as Java, Python, and C++
Proven track record of delivering high-quality software solutions on time and within budget
Strong analytical and problem-solving skills, with the ability to quickly adapt to new technologies and frameworks
Excellent co...
My hobbies include coding, reading, and playing video games. My strengths are problem-solving, attention to detail, and teamwork. My weaknesses are impatience and a tendency to overthink.
Hobbies: Coding, reading, playing video games
Strengths: Problem-solving, attention to detail, teamwork
Weaknesses: Impatience, tendency to overthink
based on 3 interviews
Interview experience
based on 7 reviews
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QA Tester
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