FiftyFive Technologies Interview Questions, Process, and Tips

The basic topics related to Aptitude were asked.

The coding round had 2 questions of intermediate level.

Q1. Basic introduction of resume and technical knowledge.
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Apptitude related to Cloud and DevOps field only.

DevOps tech related assignment

Q1. DevOps related questions and cloud questions.
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Q1. How well you in team?
Ans. 
I work well in teams and value collaboration and communication.
• I have strong interpersonal skills and can easily build rapport with team members.

• I actively listen to others' ideas and opinions and contribute my own thoughts and suggestions.

• I am flexible and adaptable, willing to take on different roles and responsibilities within a team.

• I communicate effectively, ensuring everyone is on the same page and understands th...read more
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Q1. Data structurs and algorithms
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Q1. Spring Boot and RestAPI
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Q1. Data structure and algorithms
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Q1. Technology related questions in my case it is reactjs.
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Q2. Hooks,Redux, React lifecycle
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Q1. How to scale app for large customer base.
Ans. 
To scale an app for large customer base, consider using cloud services, optimizing database queries, implementing caching mechanisms, and utilizing load balancing.
• Utilize cloud services such as AWS or Azure to easily scale resources based on demand

• Optimize database queries to improve performance and handle large amounts of data efficiently

• Implement caching mechanisms to reduce the load on servers and improve response t...read more
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Q2. How to optimize web app
Ans. 
Optimizing a web app involves improving performance, speed, and user experience.
• Minimize HTTP requests by combining files, using CSS sprites, and reducing scripts

• Enable browser caching to reduce server load and improve load times

• Optimize images by using the correct format, size, and compression

• Use a content delivery network (CDN) to distribute content closer to users for faster loading times

• Implement lazy loading for i
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Q1. General questions of my past working experience
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Q1. Explain Solid Principles with example
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Q2. Design Patterns
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Q1. Basic Javascript questions - Async-await, promises, how javascript runs in the browser. Cross questions for projects I worked on in my previous company. Database design questions
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Q2. Build an API in node.js that takes an array in the body and responds with a sorted array(merge sort).
Ans. 
Build an API in node.js that sorts an array using merge sort algorithm.
• Create a POST endpoint in node.js that accepts an array of strings in the request body.

• Implement the merge sort algorithm to sort the array.

• Return the sorted array as the response.
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Q1. They told me the offer, and I negotiated a little bit and they agreed.
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