Atina Technology Pvt. Ltd. Interview Questions and Answers

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

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

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

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

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