TMF Group Senior Software Developer Interview Questions and Answers

Q1. Mutable and Non-Mutable data type.
Ans. 
Mutable data types can be changed after creation, while non-mutable data types cannot be changed.
• Mutable data types in Python include lists and dictionaries.

• Non-mutable data types in Python include tuples and strings.

• Changing a mutable data type will modify the original object, while changing a non-mutable data type will create a new object.
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Q2. Write code for decorator.
Ans. 
A decorator is a design pattern that allows behavior to be added to individual objects, either statically or dynamically, without affecting the behavior of other objects.
• Decorators are functions that take another function and extend its behavior without explicitly modifying it.

• They are commonly used in Python to add functionality to existing functions or classes.

• Example: Adding logging to a function using a decorator.
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Q1. Basic Questions on project experience Designing a Image storage system Coding: How to find if 2 arrays are equal Coding: Group employee data by department Working of Kafka
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There were three coding questions.

Q1. Could you provide a thorough explanation of the project?
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Q2. OOps Concepts and question from the technical subjects
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Q3. Why Spring Boot
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Q4. JWT Authentication
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Q5. Docker and Kubernetes
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Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions

Q1. React Optimization techniques
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Q2. React Advantages
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Q1. How to debug in production environment?
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Q1. Challenges faced during work and how you overcome?
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Q1. Why you choose Wells fargo over other offers?
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Q1. They grind u in javascript,typescript
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Q2. Html css, angular
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Q3. Deep preparation needed
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Q1. Project Architecture
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Q1. Informatica tech questions
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Write code to return the maximum profit by buying and selling stocks using available money

DP graphs strings it was good

Q1. Reverse a linkded list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, previous, and next

• Iterate through the list, updating pointers to reverse the direction

• Return the new head of the reversed list
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Q2. Print fibonacci series
Ans. 
The Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with two variables initialized to 0 and 1

• Loop through desired number of iterations, adding the previous two numbers to get the next number

• Print or store each number in the series
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