Amadeus Senior Software Engineer Interview Questions and Answers

Q1. What are distributed systems? How does the security can be maintained?
Ans. 
Distributed systems are a network of independent computers that work together to achieve a common goal. Security can be maintained through encryption, authentication, access control, and monitoring.
• Distributed systems consist of multiple computers that communicate and coordinate actions to achieve a common goal.

• Security in distributed systems can be maintained through encryption of data in transit and at rest.

• Authentic...read more
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Q2. Importance of container orchestration tools in large complex systems?
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Container orchestration tools are crucial for managing the deployment, scaling, and monitoring of large complex systems.
• Container orchestration tools help automate the deployment and scaling of containerized applications, making it easier to manage large complex systems.

• They provide features like service discovery, load balancing, health checks, and auto-scaling, which are essential for ensuring high availability and p...read more
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Q1. JavaScript basics
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Q1. Angular questions, some behavioral questions
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Q1. Management round
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Q1. Salary discussion
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Q1. Basic oops consept questions?
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Q2. How map and un_ordered map works?
Ans. 
Map and unordered_map are associative containers that store elements in key-value pairs.
• Map is implemented as a balanced binary tree while unordered_map is implemented as a hash table.

• Map stores elements in sorted order based on the key while unordered_map does not guarantee any specific order.

• Map has a slower insertion and deletion time complexity than unordered_map.

• Map is useful when we need to maintain elements in a...read more
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Q3. Frequency of digits in an array and store elements in new array in a sorted order such a way that more frequent one comes first and least frequent one at the end.
Ans. 
Sort array of strings based on frequency of digits in each element.
• Create a dictionary to store frequency of digits in each element.

• Sort the array based on the frequency of digits using the dictionary.

• Handle ties by sorting based on the original order of elements.
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Q1. Typical manager question
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I was given 2 coding question to solve.
Asked to explain time complexity and space complexity of code I written
Few question on database sql and no-sql

Q1. Mostly about system design
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Q2. Backend architecture design for online ecom platform
Ans. 
Backend architecture design for an online e-commerce platform involves designing a scalable, secure, and reliable system.
• Choose a suitable database management system (DBMS) based on the requirements

• Use a microservices architecture to break down the system into smaller, independent services

• Implement caching mechanisms to improve performance

• Ensure data security by implementing encryption, access control, and regular back...read more
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Q3. REST API related question and API designing
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Q1. This was 3 rd round mostly Behavioural question
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Q2. What was your current roles and responsibilities
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Q1. Why you want to join our company
Ans. 
I admire your company's innovative approach and commitment to excellence, which aligns with my career goals and values.
• Your company's focus on cutting-edge technology, like AI and machine learning, excites me as I have experience in these areas.

• I appreciate your commitment to professional development; I am eager to grow my skills through your mentorship programs.

• The collaborative culture at your company is appealing; I...read more
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Q2. What is you salary expectation
Ans. 
Salary expectations should reflect market rates, personal experience, and the value you bring to the role.
• Market Research: It's essential to research industry standards for similar roles in your location. For example, a Senior Software Engineer in San Francisco may expect a higher salary than in a smaller city.

• Experience Level: Consider your years of experience and expertise in relevant technologies. For instance, if y...read more
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Q3. Reason for leaving you previous company
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Q1. Questions related to arrays
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