Porter Interview Questions, Process, and Tips

Q1. Max sum path in tree
Ans. 
Find the maximum sum path in a tree from root to leaf node.
• Start from the root node and traverse down to leaf nodes, keeping track of the sum at each node.

• At each node, compare the sum of the current path with the maximum sum found so far.

• Choose the path with the maximum sum as the final result.
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Q2. Array 2 sum problem
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Q1. React: Create a Timer
Ans. 
Create a simple timer using React
• Use state to store the timer value

• Use setInterval to update the timer every second

• Display the timer value in the component's render method
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Q2. Javascript: implement Debounce
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Q1. What do you know about the company + common behaviour question
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Q2. About roles in previous org
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Q1. Write clean code for api call and DB update and ui update LLD
Ans. 
Design a clean code structure for API call, DB update, and UI update.
• Separate concerns by creating separate classes or modules for API call, DB update, and UI update.

• Use interfaces or abstract classes to define contracts for each component.

• Implement error handling and data validation at each step.

• Consider using asynchronous programming to prevent blocking the UI thread.

• Use dependency injection to manage dependencies be
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Q2. Questions on Kotlin
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Q1. Machine coding related to multiple view type recycler view
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Q2. Further discussion on callback lifecycles of adapter methods when & how many times they will be called
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Q3. How to sync which item is shown to backend in recycler view using api call . How to optimise it
Ans. 
Use a unique identifier for each item in the recycler view and send it to the backend via API calls. Optimize by batching API calls and implementing pagination.
• Assign a unique identifier to each item in the recycler view, such as an ID or position

• Send the unique identifier of the currently shown item to the backend through API calls

• Optimize by batching API calls to reduce network overhead

• Implement pagination to load da
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Q1. Journey so far what you learned . Reasons for switching company , Incidents of conflicts with. manager
Ans. 
I have learned a lot in my journey so far, leading to my decision to switch companies. I have had conflicts with managers in the past.
• Learned new technologies and tools in current role

• Developed strong problem-solving and communication skills

• Decided to switch companies for career growth opportunities

• Had conflicts with a manager due to differing opinions on project direction
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Q1. Walk through your professional journey?
Ans. 
I started my career in marketing, then transitioned to project management, and eventually moved into senior leadership roles.
• Started in marketing role at XYZ Company

• Transitioned to project management at ABC Company

• Promoted to senior leadership roles at DEF Company

• Led cross-functional teams to successful project completion
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Q2. Why do you want to change?
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for a new challenge to further develop my skills and knowledge.

• Interested in exploring new opportunities for career advancement.

• Seeking a more dynamic work environment to expand my professional horizons.
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Case study based on critical thinking, data analysis, decision making etc

Q1. Explain your approach to solve the case study? And various other case study related question
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Q2. Problem Solving Question
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Q1. Problem Solving Questions
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Q2. Case Based Questions
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Q3. RCA Questions
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Q1. What was your experience with your previous company?
Ans. 
I had a diverse experience in my previous company, working on various projects and collaborating with different teams.
• Managed cross-functional teams to successfully launch a new product

• Implemented cost-saving measures that resulted in a 10% increase in profit

• Led a project to streamline communication processes between departments
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Q2. What actions would you take to improve customer experience?
Ans. 
To improve customer experience, I would focus on personalized interactions, efficient problem resolution, and continuous feedback.
• Implement personalized customer service to make each interaction feel unique and tailored to the individual

• Streamline processes to ensure quick and efficient problem resolution for customers

• Collect and analyze customer feedback regularly to identify areas for improvement and make necessary a...read more
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