Porter Interview Questions, Process, and Tips

Q1. 1. Given an array find a subset that sums to a given sum K 2. Given an array with duplicate elements, print all triplets that sum to K. Each element at any index i can only be used once.
Ans. 
Given an array, find a subset that sums to a given sum K and print all triplets that sum to K.
• Use a recursive approach to find subsets that sum to K

• Use a nested loop to find triplets that sum to K

• Avoid using duplicate elements in triplets
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Q1. LLD round 1. Design Book My Show. Interviewer was interested in classes and most common api. He asked more about how will these classes when translated into RDBMS table, will look like. What all index I co...read more
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Q1. HLD round 1. Design swiggy 2. Follow up question was to create a state diagram for order object.
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Q1. With HM 1. Projects 2. Major challenges during those projects 3. Who all were you stake holders 4. How do you contribute in design discussion 5. How to you plan your testing with QA and other involved team...read more
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Q1. With VP of engineering 1. Project discussion. In each scope he asked what if this would fail then how are you handling your code. for eg. Let's say you are reading a file and dumping data in batches in 1 t...read more
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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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