UnitedHealth Full Stack Developer Interview Questions and Answers

Normal questions (technical and logical question)

Q1. On technology only
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Q2. Some logical wuesrion also
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Q1. Basic introduction and soo on.
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Question related to profile.

Aptitude test questions

Convert Number to words

Q1. SOLID principles with real time examples
Ans. 
SOLID principles are a set of guidelines for writing maintainable and scalable code.
• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: A class should be open for extension but closed for modification.

• Liskov Substitution Principle: Subtypes should be substitutable for their base types.

• Interface Segregation Principle: Clients should not be forced to depend on interfaces ...read more
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Aptitude, core concepts and a code

Q1. What is the one thing you learnt from college club?
Ans. 
I learned the importance of teamwork and collaboration from my college club.
• Developed strong communication skills by working with diverse group of individuals

• Learned how to delegate tasks effectively to achieve common goals

• Gained experience in problem-solving and conflict resolution through group projects
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Q2. What is the one thing you want to expereince?
Ans. 
I want to experience living in a different country and immersing myself in a new culture.
• Traveling to a foreign country and learning about their customs and traditions

• Trying new foods and experiencing different ways of life

• Making friends with locals and exploring the local attractions
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Q1. Difference between relational and non relational dbms
Ans. 
Relational DBMS stores data in tables with predefined relationships, while non-relational DBMS stores data in flexible, schema-less formats.
• Relational DBMS uses structured query language (SQL) for querying data

• Non-relational DBMS can store data in various formats like key-value pairs, document-based, graph databases

• Relational DBMS ensures data integrity through normalization and constraints

• Non-relational DBMS offers be...read more
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Q2. Difference betweeen class,abstract class,interface in python
Ans. 
Class is a blueprint for creating objects, abstract class cannot be instantiated and can have abstract methods, interface is a contract for classes to implement certain methods.
• Class is a blueprint for creating objects with attributes and methods.

• Abstract class cannot be instantiated and can have abstract methods that must be implemented by subclasses.

• Interface is a contract for classes to implement certain methods, bu
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Q3. Project related questions were asked
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Q1. Explain about pagination
Ans. 
Pagination is the process of dividing content into separate pages to improve user experience and optimize performance.
• Pagination is commonly used in websites to display a large amount of data in manageable chunks.

• It allows users to navigate through different pages of content, typically with options like 'Next' and 'Previous'.

• Pagination can also include features like page numbers, page size selection, and total item cou...read more
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Q1. General Managerial questions
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Q1. Basic level react questions
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Q1. Some react coding and some basic level react questions
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Q1. Javascript, React, hooks , life-cycle methods,
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Problem solving, binary search, shorting technique