WNS Backend Developer Interview Questions and Answers for Experienced

Q1. Technology and programming questions
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Q1. Strengths and weaknesses, Professional details
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Q1. Lifestyle of software development
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Software development lifestyle involves continuous learning, problem-solving, collaboration, and adapting to new technologies.
• Continuous learning is essential to stay updated with new technologies and best practices.

• Problem-solving skills are crucial for debugging and finding efficient solutions to complex problems.

• Collaboration with team members helps in sharing knowledge, brainstorming ideas, and improving code quali...read more
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Q2. Real time example of class inheritance
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Class inheritance allows a subclass to inherit properties and methods from a superclass.
• Subclass can access all public and protected members of superclass.

• Subclass can override methods of superclass.

• Example: Animal class can be superclass, with Dog and Cat classes as subclasses inheriting properties and methods.
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Q3. Agile methodologies and waterfall methodology
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Aptitude and reasoning mandatory for every company

Q1. Oral technical questions
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Q2. Tell me about data base?
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A database is a collection of organized data that can be easily accessed, managed, and updated.
• A database can be relational or non-relational

• It stores data in tables or documents

• It allows for efficient querying and retrieval of data

• Examples include MySQL, MongoDB, and Oracle
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Q1. If needed they may ask for their requiremental que
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Q1. Github, jira, OOPs
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Q2. Framework related
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