FIS Interview Questions, Process, and Tips

Q1. It was an easy round. I was asked about the projects in my resume and some basic c++ questions.
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Q2. What is a virtual function in c++?
Ans. 
A virtual function in C++ is a function that is declared within a base class and is redefined by a derived class.
• Virtual functions allow a derived class to provide a specific implementation of a function that is already defined in a base class.

• They are used in polymorphism to achieve runtime binding.

• Example: virtual void display() = 0; // pure virtual function
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Q1. Where will you see yourself in 5 years?
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Q1. Web API, Oops, Solid priciples, Difference between Singleton and Static
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Q1. DSA based. Asked 1 coding questions (Occurrence of all character). Sql quesries.
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Q1. How does Bert embeddings work
Ans. 
Bert embeddings is a language model that generates contextualized word embeddings.
• Bert stands for Bidirectional Encoder Representations from Transformers.

• It uses a transformer architecture to generate word embeddings that take into account the context of the word.

• Bert embeddings are pre-trained on large amounts of text data and can be fine-tuned for specific NLP tasks.

• They have been shown to outperform traditional word...read more
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Q2. Why Bert and before bert what was the best model?
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Simple Hacker Rank test with most spring questions and Java.

Q1. Java, Sql, Questions based on your resume. Very easy interview.
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Q2. Core Java concepts Sql concepts No coding questions as the Manager doesn't know a thing about coding.
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Q1. What are the design patterns in C#
Ans. 
Design patterns in C# are reusable solutions to common problems in software design.
• Some common design patterns in C# include Singleton, Factory, Observer, and Strategy.

• Design patterns help in creating maintainable and scalable code by providing proven solutions to common design problems.

• For example, the Singleton pattern ensures that a class has only one instance and provides a global point of access to it.
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Q2. Explain SOLID principles
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SOLID principles are a set of five design principles in object-oriented programming to make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable...read more
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Q3. WPF and XAML Questions
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Q4. Advance C# questions
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Q1. SQL related questions
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Q2. Asked the one puzzle
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Q3. Domain knowledge
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