i18 Dev Interview Questions and Answers

Q1. JavaScript HTML5 CSS3
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Q1. Different between = and double eqal to
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Q2. What is orm
Ans. 
ORM (Object-Relational Mapping) is a programming technique for converting data between incompatible type systems using object-oriented programming.
• ORM allows developers to interact with a database using high-level programming languages instead of SQL.

• It maps database tables to classes and rows to objects, simplifying data manipulation.

• Examples of ORM frameworks include Hibernate for Java, Entity Framework for .NET, and...read more
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Check the requirements gathering and create documentation like FRD,BRD proces

Q1. What can you tell me about your previous projects?
Ans. 
I have worked on various projects including developing web applications, implementing machine learning algorithms, and optimizing database performance.
• Developed a web application using React.js and Node.js for a client in the e-commerce industry

• Implemented machine learning algorithms for a predictive analytics project using Python and TensorFlow

• Optimized database performance by fine-tuning SQL queries and indexing stra...read more
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Q2. Questions regarding new technology
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Q1. Can you walk us through a project where you handled end to end development?
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Q2. How do you approach debugging a complex issue in produciton environment
Ans. 
I systematically analyze logs, reproduce issues, and collaborate with teams to resolve complex production bugs efficiently.
• 1. Gather logs and metrics: Analyze application logs and performance metrics to identify anomalies.

• 2. Reproduce the issue: Attempt to replicate the problem in a controlled environment to understand its behavior.

• 3. Isolate components: Narrow down the affected components or services to focus debuggin...read more
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Q3. Explain how you would design a scalable REST api for a high traffic application
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Designing a scalable REST API involves careful planning of architecture, data management, and performance optimization.
• Use stateless architecture to ensure each request is independent, allowing for easier scaling.

• Implement load balancing to distribute incoming traffic across multiple servers, e.g., using AWS Elastic Load Balancing.

• Utilize caching strategies (e.g., Redis, Memcached) to reduce database load and improve r...read more
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Q1. Explain a challenging project you worked on and how you solved key technical problems. What technologies did you use?
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Q2. You are building scalable system which handles thousands of concurrent users. How would you design backend architecture? what technologies or pattern would oyu use for reliability and stability
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Q1. Could you provide an explanation of your project?
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Q2. What has been your experience with the work?
Ans. 
I have extensive experience in software development, focusing on full-stack projects and agile methodologies.
• Worked on a full-stack web application using React and Node.js, improving user engagement by 30%.

• Collaborated in an agile team, participating in daily stand-ups and sprint planning, which enhanced project delivery speed.

• Developed RESTful APIs for a healthcare application, ensuring data security and compliance wi...read more
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Q1. Introduction of yourself
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Q2. Your previous company experience
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Q3. Projects you have worked on
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Q1. Java 8 concepts
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