Persistent Systems Project Lead Interview Questions, Process, and Tips

Q1. How automotive process follows? what was your work role all about projects
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Q1. Explain how backpropogation works
Ans. 
Backpropagation is a method used in neural networks to update the weights of the network by calculating the gradient of the loss function.
• Backpropagation involves calculating the gradient of the loss function with respect to each weight in the network.

• The gradients are then used to update the weights in the network in order to minimize the loss function.

• This process is repeated iteratively until the network converges t...read more
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Q2. Implement convolution working in c++
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Implementing convolution in C++
• Use nested loops to iterate over the input and kernel matrices

• Apply the convolution operation by multiplying corresponding elements and summing them up

• Handle edge cases by padding the input matrix if necessary

• Consider using libraries like OpenCV for optimized implementations
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Q1. Current project architecture
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Our current project architecture is based on microservices using Docker containers and Kubernetes for orchestration.
• Microservices architecture

• Docker containers

• Kubernetes for orchestration
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Q2. Microservices communication
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Q3. Database architectural tradeoffs - modeling etc
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Q4. Spring eco system
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Q5. Scenario based questions
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Basic js code which involved object manipulation

Q1. Current project
Ans. 
Currently leading a team to develop a new mobile app for tracking fitness goals.
• Managing a team of developers and designers

• Creating project timelines and milestones

• Collaborating with stakeholders to gather requirements

• Testing and iterating on app features

• Implementing feedback from beta testers
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Q2. Behavioral questions
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Q1. React testing, sort object, mongo orm, node js dummy api
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Q2. Create a map function
Ans. 
Map function applies a function to each element in an array and returns a new array with the results.
• Use the map function to iterate over each element in the array and apply a function to it.

• Example: const numbers = [1, 2, 3]; const doubled = numbers.map(num => num * 2); // [2, 4, 6]
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AWS, horizontal vs vertical scaling, reverse a string

Logical Queries based on Java Program.

Q1. Based on Core Java, Spring, Spring Boot Components.
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Q1. Basic queries on personal details and CTC part
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