Milestone Technologies Platform Engineer Interview Questions and Answers

Q1. Tell us about your experience
Ans. 
I have 5 years of experience in designing, implementing, and maintaining scalable platforms for various organizations.
• Designed and implemented CI/CD pipelines using tools like Jenkins and GitLab

• Managed containerized applications using Docker and Kubernetes

• Automated infrastructure provisioning with Terraform and Ansible

• Worked on monitoring and logging solutions like Prometheus and ELK stack
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Q2. What is your Motivation
Ans. 
My motivation stems from a passion for problem-solving, a drive for continuous learning, and a desire to make a positive impact through technology.
• Passion for problem-solving drives me to tackle complex challenges

• Desire for continuous learning motivates me to stay updated with the latest technologies and trends

• Making a positive impact through technology by improving processes and creating innovative solutions
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It was meeting with two managers

Wfh is good or not - explain you r point of view.

It was a concept and coding test, with MCQs. Very simple and straightforward.

Q1. Talk about SOLID Principles
Ans. 
SOLID principles are a set of five design principles in object-oriented programming to make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable...read more
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Q2. Design pattern that you have used.
Ans. 
I have used the Singleton design pattern in my previous projects.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• It is useful when you want to control the number of instances that can be created.

• Example: Creating a Logger class that should have only one instance throughout the application.
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Q3. Talk about Concurrent API
Ans. 
Concurrent API allows multiple tasks to be executed simultaneously, improving efficiency and performance.
• Concurrent API enables parallel processing of multiple requests at the same time.

• It helps in reducing latency and improving overall system performance.

• Examples include Java's CompletableFuture class for asynchronous programming and Node.js's cluster module for parallel processing.
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Q1. Java 8 features related question.
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Q2. Concurrent hash map working.
Ans. 
Concurrent hash map allows multiple threads to access and modify a hash map concurrently.
• ConcurrentHashMap class in Java provides a thread-safe implementation of a hash map.

• It uses internal synchronization mechanisms like locks and volatile variables to ensure thread safety.

• Concurrent hash maps are useful in scenarios where multiple threads need to read and write to a shared hash map.

• Example: ConcurrentHashMap
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Asked questions on Ansible
What is role in Ansible
Inventory file
Write one ansible script to install nginx in 10 servers and send competition mail to user

Q1. What is your salary expectation
Ans. 
My salary expectation is negotiable based on the responsibilities and opportunities offered in the role.
• Highlight relevant experience and skills that justify a higher salary

• Research industry standards and average salaries for similar positions

• Express willingness to discuss and negotiate salary based on the overall compensation package
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Q2. Are you ready for relocate
Ans. 
Yes, I am open to relocating for the right opportunity.
• I am willing to relocate for the right job opportunity

• I have experience moving for previous jobs

• I am flexible and adaptable to new environments
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Q1. About SAP PO and In depth of CPI
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Q1. Deep on CPI and Cloud integration.
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Hacker rank test for c sharp ,angular with few subjective sql server,jquery ,asp.net,api .

Q1. Starting with self introduction move to last company project ,role and responsibility.then move to technical discussions from c sharp ,mvc ,angular ,api ,test cases etc.
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Q1. Salary discussion and availability to join asap and documentation details.
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Q1. What is cosine similarity
Ans. 
Cosine similarity is a measure of similarity between two non-zero vectors of an inner product space.
• It measures the cosine of the angle between two vectors.

• Values range from -1 (completely opposite) to 1 (completely similar).

• Used in information retrieval, text mining, and recommendation systems.
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