muVerity Front end Developer Interview Questions and Answers

Dsa with medium leetcode questions

Q1. Lru cache with optimisation
Ans. 
Implementing an LRU cache with optimization techniques for efficient data storage and retrieval.
• Use a doubly linked list to keep track of the most recently used items

• Implement a hash map for fast lookups and updates

• Optimize by using a combination of both data structures for efficient cache management
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The first round is aptitude round it is basically on aptitude, reasoning

They give some mid level dsa questions

Q1. Write a mongoDB query to filter top 5 students
Ans. 
Use MongoDB's aggregation framework to filter and sort students by their scores, returning the top 5 results.
• Use the `find()` method to query the students collection.

• Sort the results by the score field in descending order.

• Limit the results to 5 using the `limit()` method.

• Example: `db.students.find().sort({ score: -1 }).limit(5)`

• Ensure the score field exists and is indexed for better performance.
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Q2. What is redux and difference between redux and context api
Ans. 
Redux is a state management library for JavaScript apps, while Context API is a built-in React feature for managing state.
• Redux provides a centralized store for application state, while Context API allows for state sharing across components without prop drilling.

• Redux uses actions and reducers to manage state changes, whereas Context API uses the Provider and Consumer pattern.

• Redux is more suitable for large applicatio...read more
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Q1. Can you describe a time when you led a team?
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Q2. How do you motivate and inspire team members
Ans. 
I motivate team members by fostering collaboration, recognizing achievements, and encouraging personal growth.
• Encourage open communication: Create an environment where team members feel comfortable sharing ideas and feedback.

• Recognize achievements: Celebrate both small wins and major milestones to boost morale and motivation.

• Set clear goals: Help team members understand their roles and how they contribute to the larger...read more
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Q1. Describe your professional background
Ans. 
I have over 5 years of experience in software development, specializing in web applications and agile methodologies.
• Developed a full-stack web application using React and Node.js for an e-commerce platform, improving user engagement by 30%.

• Led a team of 4 developers in an agile environment, successfully delivering projects on time and within budget.

• Implemented RESTful APIs that enhanced data retrieval speed by 25%, opt...read more
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Q2. What is your ideal job
Ans. 
My ideal job is one that fosters creativity, collaboration, and continuous learning while making a positive impact through technology.
• A collaborative environment where team members share ideas and support each other, like in Agile development teams.

• Opportunities for continuous learning, such as attending workshops or conferences to stay updated on the latest technologies.

• Projects that have a meaningful impact, like dev...read more
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Q1. Tell be about your self
Ans. 
I am a passionate software developer with a strong background in full-stack development and a love for problem-solving.
• Experience in JavaScript frameworks like React and Angular, building responsive web applications.

• Proficient in backend technologies such as Node.js and Express, creating RESTful APIs.

• Strong understanding of databases, both SQL (PostgreSQL) and NoSQL (MongoDB), for data management.

• Worked on a team proje...read more
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Q2. What inspired you to apply for this role ?
Ans. 
I was inspired by the opportunity to innovate and contribute to impactful projects in a collaborative environment.
• Passion for technology: I've always been fascinated by how software can solve real-world problems, like developing an app that helps users track their health.

• Alignment with company values: Your commitment to sustainability resonates with my personal values, and I want to be part of a team that makes a diffe...read more
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Q1. What is struct keyword
Ans. 
The struct keyword is used in programming languages to define a user-defined data type that contains multiple variables of different types.
• Structs are used to group related data together.

• They can have different types of variables, including other structs.

• Structs can be used to create complex data structures.

• They are commonly used in object-oriented programming languages.
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Q2. What is Class keyword
Ans. 
The class keyword is used in object-oriented programming to define a blueprint for creating objects.
• The class keyword is used in languages like Java, C++, and Python.

• It allows the programmer to define the properties and behaviors of an object.

• Objects created from a class are called instances.

• Classes can have attributes (variables) and methods (functions).

• Inheritance allows classes to inherit properties and behaviors fr...read more
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Q1. What interests you most about working at apptunix?
Ans. 
Apptunix offers a dynamic environment for innovation, collaboration, and growth in mobile and web application development.
• Innovative Projects: Working on cutting-edge technologies like AI and IoT, which allows me to push my skills and creativity.

• Collaborative Culture: The emphasis on teamwork and knowledge sharing fosters a supportive environment where I can learn from experienced colleagues.

• Career Growth Opportunities...read more
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Q2. How do you handle tight deadlines in app development?
Ans. 
Handling tight deadlines in app development requires effective planning, prioritization, and communication to ensure timely delivery.
• Prioritize Tasks: Identify critical features that must be completed first. For example, focus on core functionalities before adding enhancements.

• Agile Methodology: Use agile practices like sprints to break down the project into manageable chunks, allowing for iterative progress and adjust...read more
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