Duff & Phelps Senior Software Engineer Interview Questions and Answers for Experienced

Q1. Array related problem
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Q1. C# oops related deep question
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Q1. Project Design related questions
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Q1. SQL Linq mvc net core related questions
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How would you approach performance issues in an application module

Q1. How would you process millions of records in an excel file
Ans. 
Use programming language to read and process data from Excel file efficiently.
• Use a programming language like Python, Java, or C# to read the Excel file.

• Utilize libraries like pandas in Python or Apache POI in Java for efficient data processing.

• Implement batch processing or parallel processing to handle millions of records efficiently.

• Optimize code for memory management and performance to avoid crashes or slowdowns.

• Con...read more
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Q1. Java Spring Boot AWS SQL Jenkins Kafka Git
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Q1. Why Morningstar, and what is your background
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Q1. Java Spring Boot SQL
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Q1. Java Spring Boot AWS SQL Jenkins Kafka Git
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Q1. Why Morningstar, and what is your background
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Q1. How do you Structure Database? Make Design ?
Ans. 
A well-structured database design is crucial for efficient data management.
• Identify entities and their relationships

• Normalize data to reduce redundancy

• Choose appropriate data types and constraints

• Consider performance and scalability

• Document the design and update as needed
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Q2. Ask about Low Level Design?
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Hacker rank coding round - string and array - medium to hard

Q1. DSA Round with a focus on strings and trees questions
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Q1. UI coding round
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Q2. Quesitons on JS, TS, Angular and React
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Q1. System Design Round
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Q2. HLD and LLD for Zomato (Food Delivery App)
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Q1. Culture Fitment Round
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Q2. General Techno Managerial Questions
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Q1. Basic java questions and 2 DSA medium level problems
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Q2. Two sum leet code problem
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Q1. Design round. Design a system that send notification’s to all the passengers of trains just when the train arrives at the station next to it. And one question on tree LCA
Ans. 
Design a system to send notifications to train passengers when the train arrives at the next station.
• Use GPS tracking to determine train location in real-time

• Implement a notification system that sends alerts to passengers' devices

• Integrate with train schedule data to know when the train is approaching the next station
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