VAYUZ Technologies Project Lead Interview Questions and Answers

Q1. Introduce yourself
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Q1. Questions related to the working experience
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Q1. Questions related to project management and team handling
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A detailed understanding of the basics of JavaScript.

Q1. How do you debug in react native.
Ans. 
Debugging in React Native involves using tools like console logs, React DevTools, and remote debugging for efficient troubleshooting.
• Use console.log() to track variable values and application flow.

• Enable Debug Mode in React Native to access the developer menu.

• Utilize React DevTools for inspecting component hierarchies and state.

• Use Flipper for advanced debugging, including network requests and performance monitoring.

• Ch...read more
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Q2. What techstack have you worked on.
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Q1. ATG Endeca Spring boot microservices
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Q1. Java Oracle Commerce ATG AWS Kafka kubernate
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Q2. Microservices Oracle Commerce AWS Mongo DB
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Mcqs on javascript,. 1 coding question

Q1. Solid principles
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Q2. One coding question
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This question tests your coding skills and problem-solving abilities through a practical coding challenge.
• Understand the problem statement clearly before coding.

• Break down the problem into smaller, manageable parts.

• Write pseudocode to outline your approach.

• Implement the solution step-by-step, testing as you go.

• Consider edge cases and optimize your code for efficiency.
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Q1. Can you describe a challenging technical problem you encountered in a recent project and the approach you took to solve it?
Ans. 
I faced a performance bottleneck in a microservices architecture and optimized the data flow to enhance system efficiency.
• Identified the bottleneck using profiling tools like New Relic and pinpointed slow database queries.

• Refactored the data access layer to implement caching strategies, reducing database load by 40%.

• Introduced asynchronous processing for non-critical tasks, improving overall response time by 30%.

• Collab...read more
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Q2. How would you design a scalable architecture for a real-time notification system, and what technologies would you select for this implementation and why?
Ans. 
Design a scalable real-time notification system using microservices, message queues, and cloud technologies.
• Use microservices architecture to separate concerns (e.g., user management, notification service).

• Implement a message broker like Apache Kafka or RabbitMQ for handling real-time notifications.

• Utilize WebSockets for real-time communication between the server and clients.

• Leverage cloud services (e.g., AWS, Azure) f...read more
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