Paylocity Senior Software Engineer Interview Questions and Answers

Q1. Mostly they asked c questions
Add your answer
Q2. Operating systems question they asked
Add your answer

Q1. Mostly they asked c questions
Add your answer
Q2. Operating systems questions they asked
Add your answer

Q1. Discuss about the package
Add your answer
Q2. Why i want to join this company
Ans. 
I want to join this company because of its innovative projects and strong company culture.
• I am impressed by the company's track record of successful projects.

• I believe in the company's values and culture, which align with my own.

• I am excited about the opportunity to work with a talented team of professionals.

• I see great potential for growth and development in this company.
Answered by AI
Add your answer

Q1. Sort the array of 0,1,2
Ans. 
Sort an array of strings containing '0', '1', and '2'.
• Use counting sort algorithm to count the occurrences of '0', '1', and '2'.

• Create a new array based on the counts of each element.

• Return the sorted array.
Answered by AI
Add your answer
Q2. All c++ core concepts and oops concept. Find second greatest element in an array without sorting.
Ans. 
Find the second greatest element in an array without sorting using C++ concepts.
• Iterate through the array to find the greatest element.

• While iterating, keep track of the second greatest element.

• Return the second greatest element once the iteration is complete.
Answered by AI
Add your answer

Q1. Design quick ecommerce site.
Ans. 
Designing a quick ecommerce site involves creating a user-friendly interface with easy navigation and secure payment options.
• Focus on a clean and intuitive user interface

• Implement a robust search functionality for products

• Include secure payment gateways like PayPal or Stripe

• Optimize site speed for quick loading times

• Ensure mobile responsiveness for on-the-go shopping

• Integrate customer reviews and ratings for trust-buil...read more
Answered by AI
Add your answer
Q2. Consumer producer multithreading program.
Ans. 
Consumer producer multithreading program involves multiple threads sharing a common buffer to produce and consume data.
• Use synchronized data structures like BlockingQueue to handle thread synchronization.

• Implement separate producer and consumer classes with run methods.

• Use wait() and notify() methods to control the flow of data between producer and consumer threads.
Answered by AI
Add your answer
Q3. Find missing and repeating element in an array of 1 to n elements. N is the size of array. Solve in O-n time and O-1 space.
Ans. 
Find missing and repeating element in an array of 1 to n elements in O(n) time and O(1) space.
• Iterate through the array and for each element, mark the element at index equal to its value as negative. If the element is already negative, it is the repeating element.

• After marking all elements, the positive element's index + 1 is the missing element.

• Example: Array ['1', '2', '3', '3', '5'] - Repeating element is '3' and mi
Answered by AI
Add your answer

Q1. What is expected compensation
Ans. 
Expected compensation should be based on industry standards, experience, skills, and location.
• Research industry standards for Senior Software Engineer salaries

• Consider your level of experience and skills

• Take into account the cost of living in the location of the job

• Negotiate based on your value to the company
Answered by AI
Add your answer

Q1. Get minimum from stream. Query based.
Add your answer
Q2. Minimum number of platforms for trains. Arrival n departure time is given.
Add your answer

Q1. NodeJS Intermediate and advance concepts
Add your answer

Q1. Design Instagram feed
Ans. 
Designing Instagram feed involves displaying user's photos and videos in a visually appealing and user-friendly manner.
• Display user's posts in a grid layout with images/videos and captions

• Allow users to like, comment, and share posts

• Implement infinite scrolling to load more posts as user scrolls down

• Include a search bar to search for specific users or hashtags
Answered by AI
Add your answer

A code to identify errors and write Junit. Optimise the code as well.

Q1. Stacks using queue
Ans. 
Implementing a stack using two queues
• Use two queues to simulate a stack

• Push operation: Enqueue the element to queue 1

• Pop operation: Dequeue all elements from queue 1 to queue 2, dequeue the last element from queue 1, then swap the queues

• Top operation: Return the front element of queue 1

• Example: Push 1, 2, 3 - Queue 1: [1, 2, 3], Queue 2: []

• Example: Pop - Queue 1: [1, 2], Queue 2: [3]
Answered by AI
Add your answer
Q2. BFS and Knapsack problem, previous project experience
Add your answer

Q1. Git branching strategy
Add your answer
Q2. Use of git revert
Ans. 
Git revert is used to undo changes made in a commit by creating a new commit that undoes the changes.
• Git revert is used to undo changes made in a specific commit without altering the commit history.

• It creates a new commit that undoes the changes introduced by the specified commit.

• Git revert is useful for reverting changes without losing the commit history or affecting other team members' work.

• Example: git revert
Answered by AI
Add your answer
Q3. Merging process
Add your answer

Q1. Jenkis node , what is the use
Ans. 
Jenkins node is a machine that executes tasks as part of a Jenkins build process.
• Jenkins nodes can be physical machines or virtual machines.

• Nodes can be configured to run specific types of jobs or tasks.

• Nodes help distribute workload and improve efficiency in Jenkins pipelines.
Answered by AI
Add your answer
Q2. How do we name to the node
Ans. 
Nodes can be named based on their functionality, purpose, or position in a hierarchy.
• Name based on functionality (e.g. loginNode, paymentNode)

• Name based on purpose (e.g. validationNode, processingNode)

• Name based on position in hierarchy (e.g. parentNode, childNode)
Answered by AI
Add your answer
Q3. What are the plugins used in jenkins
Ans. 
Jenkins has a wide range of plugins for various functionalities.
• Pipeline plugins (e.g. Pipeline, Multibranch Pipeline)

• SCM plugins (e.g. Git, SVN)

• Build and test plugins (e.g. Maven, JUnit)

• Notification plugins (e.g. Email, Slack)

• Monitoring plugins (e.g. Prometheus, Grafana)
Answered by AI
Add your answer
Q4. What is jenkins library
Ans. 
Jenkins library is a collection of reusable code that can be shared across multiple Jenkins pipelines.
• Jenkins library allows for code reuse and sharing across pipelines

• It helps in maintaining consistency and reducing duplication of code

• Libraries can be stored in version control systems like Git and referenced in Jenkins pipelines
Answered by AI
Add your answer
Q5. How we integrate other tools to jenkins
Ans. 
Integrating other tools to Jenkins involves using plugins and configuring build pipelines.
• Install the necessary plugins for the tools you want to integrate with Jenkins

• Configure the tools in Jenkins global configuration settings

• Create build pipelines that include steps for interacting with the integrated tools

• Use Jenkins API to automate interactions with external tools
Answered by AI
Add your answer
Q6. What else jenkins do
Add your answer
Q7. Diff b/w docker and docker swarm
Ans. 
Docker is a containerization platform for running applications in isolated environments, while Docker Swarm is a tool for orchestrating multiple Docker containers across multiple hosts.
• Docker is used for creating and managing containers, while Docker Swarm is used for managing multiple containers across multiple hosts.

• Docker is suitable for single host deployments, while Docker Swarm is suitable for multi-host deployme...read more
Answered by AI
Add your answer
Q8. Differentiate k8s from docker swarm
Ans. 
K8s is a container orchestration tool while Docker Swarm is a clustering and scheduling tool for Docker containers.
• K8s is more widely used and has a larger community support compared to Docker Swarm.

• K8s supports more advanced features like auto-scaling, self-healing, and rolling updates.

• Docker Swarm is easier to set up and manage for smaller scale deployments.

• K8s uses declarative configuration while Docker Swarm uses i...read more
Answered by AI
Add your answer
Q9. Prepare all commands for devops tool must
Add your answer
Q10. What is git hooks
Ans. 
Git hooks are scripts that run automatically before or after certain Git commands are executed.
• Git hooks are customizable scripts that can be triggered by specific Git events.

• They can be used to enforce coding standards, run tests, or automate deployment processes.

• Examples of Git hooks include pre-commit, post-commit, pre-push, and post-merge hooks.
Answered by AI
Add your answer
Q11. What is https and ssh cloning
Ans. 
HTTPS is a secure communication protocol used for secure communication over the internet. SSH cloning is a method of cloning a repository using the SSH protocol.
• HTTPS stands for Hypertext Transfer Protocol Secure and is used to secure communication over the internet.

• It encrypts the data being transmitted between the client and the server, providing a secure connection.

• SSH cloning is a method of cloning a Git repository...read more
Answered by AI
Add your answer

Q1. Personal info only
Add your answer