B. Braun Medical Senior Engineer Interview Questions and Answers

Q1. Reverse a String using Array
Ans. 
Reverse a string using array of characters
• Create an array of characters from the input string

• Use two pointers to swap characters at opposite ends of the array until they meet

• Join the characters in the array to form the reversed string
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Q2. Microservices vs Monilith
Ans. 
Microservices allow for modular, independent services while monolith is a single, cohesive unit.
• Microservices promote scalability and flexibility

• Monoliths are easier to develop and deploy initially

• Microservices can lead to more complex infrastructure and communication between services

• Monoliths can become difficult to maintain and scale as they grow

• Examples: Netflix uses microservices for their streaming platform, while...read more
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Q3. SQL query to get 3 max salary by group
Ans. 
SQL query to get 3 max salary by group
• Use the RANK() function to rank the salaries within each group

• Filter the results to only include rows where the rank is less than or equal to 3

• Order the results by group and salary in descending order
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Q4. CI CD process followed in last project
Ans. 
Implemented CI/CD process using Jenkins for automated builds, tests, and deployments.
• Utilized Jenkins for continuous integration and continuous deployment

• Automated build process triggered by code commits to version control

• Implemented automated testing to ensure code quality

• Deployed code to different environments based on predefined pipelines
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Q5. Major changes in Spring boot 3
Ans. 
Major changes in Spring Boot 3 include support for Java 17, improved performance, and enhanced security features.
• Support for Java 17

• Improved performance optimizations

• Enhanced security features such as OAuth 2.1 support

• Updated dependencies and libraries
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Q1. Explain end to end automation cycle
Ans. 
End to end automation cycle involves automating the entire software development process from planning to deployment.
• The cycle starts with requirements gathering and planning

• Next, the code is developed and tested using automation tools

• Continuous integration and delivery are used to deploy the code to production

• Monitoring and feedback are used to improve the process

• Examples of automation tools include Jenkins, Selenium,
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Q1. Why do you want to join this company.
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Q1. Technical questions based on my resume, coding, project architect, etc.
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Q1. System design round. LLD and HLD.
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Q1. Managerial with a little bit of technical. Work ethics, vision and ctc expectations.
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Q1. Compensation discussion.
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Q1. Basic C# and oops questions , mostly on inheritance , abstraction ,encapsulation , properties
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Q2. Coding questions related to strings finding longest substring without repeating characters , find the count of vowels in string with using dictionary kr hash ( used ascii value approach)
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Q1. Mostly on project .
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Q2. Was asked about design patterns , had to create a design for a simple . How would I structure all the folders classes , interfaces logics etc .
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Q1. Basics of python and javascript
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Q1. About family and relocation
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Q2. Relocation and family members
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Mold design, Parting line selection of injection molding component, Checking of draft angle for injection molding, Solidworks, Solidworks Configuration, GD&T, Windchill

Q1. How do you deploy a Web API using Docker Container?
Ans. 
Deploying a Web API using Docker Container involves creating a Dockerfile, building the image, and running the container.
• Create a Dockerfile with instructions on how to build the image, including dependencies and environment variables.

• Build the Docker image using the Docker build command.

• Run the Docker container using the Docker run command, specifying ports and any other necessary configurations.

• Ensure the Web API is ...read more
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