Leica Biosystems Lead Engineer Interview Questions and Answers

Q1. Tell me about yourself (in a high tone)? I explained him with all my areas of expertise and explained the tech stack that I have used in my current project and areas of achievements I have done so far duri...read more
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Q2. When did you pass your 10th (His arrogancy increased after listing to my experience)? At first my inner feeling is like why he wants to know my 10th but since we are at other side of interview like most of...read more
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Q3. Tell me about your experience in your previous companies ? I explained him all the details the projects and the tech stack and the kind of work I have done "HOLD ON" suddenly heard from the other side and ...read more
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Q4. What do you know about .Net? I explained him the details and he started to offend me for whatever I say he is not aggreging Example: What TPL and parallel programming Answered: TPL is task parallel librar...read more
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Q5. Why did you leave your company I told him the reason about the change of my company but he still trying to mock me like offending with his words and started to degrade me that I'm changing the company for ...read more
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Q1. About previous experience
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Q2. What is your idea of good working environment
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A good working environment is one that promotes collaboration, open communication, and a positive atmosphere.
• Collaboration: Encouraging teamwork and cooperation among team members.

• Open communication: Creating an environment where everyone feels comfortable expressing their ideas and concerns.

• Positive atmosphere: Fostering a supportive and inclusive culture that values and appreciates each individual's contributions.

• Wor...read more
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.Net basics and Logical Aptitude

Q1. SW Engineering Fundamentals, .Net Basics, Design Principles, Patterns, WebAPIs, Javascript
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Q2. What are solid principles
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SOLID principles are a set of five design principles for writing maintainable and scalable software.
• 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: Subtypes should be substitutable for their base types.

• I - Interface Segregation Principle: Clients sho...read more
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Q3. Is Javascript multi-threaded
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Q4. What is webpacks in Javascript
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Webpack is a module bundler for JavaScript applications.
• Webpack takes modules with dependencies and generates static assets representing those modules.

• It can handle various file types such as JavaScript, CSS, and images.

• Webpack allows for code splitting, lazy loading, and hot module replacement.

• Plugins can be used to extend its functionality.

• Commonly used with frameworks like React and Angular.
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Q1. Logical Coding question, Design Principles, System Design
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Q2. String based coding test
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Q3. Design Patterns and their real-time usage
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Design patterns are reusable solutions to common software problems.
• Design patterns help in creating maintainable and scalable code.

• Some commonly used design patterns are Singleton, Factory, Observer, and Decorator.

• Singleton pattern ensures that only one instance of a class is created.

• Factory pattern provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will ...read more
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Q4. IOC principle use cases
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Q1. WebApi, .Net Core, Entity Framework, Linq
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Q2. Asked to develop a web api
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Q3. Write a Linq expression to fetch the desire results
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Linq expression to fetch desired results
• Use 'Where' to filter data based on conditions

• Use 'Select' to project data into desired format

• Use 'OrderBy' or 'OrderByDescending' to sort data

• Use 'Skip' and 'Take' to implement pagination
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Q4. Configure the Entity Framewok to connect with database
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To configure Entity Framework to connect with a database, follow these steps:
• Install Entity Framework package using NuGet

• Create a DbContext class that inherits from DbContext

• Add a connection string to the app.config or web.config file

• Use the DbContext to query the database
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Q1. Fitment round with all behavioral questions
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Q2. Which is the difficult project and why did you say so
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The most difficult project I worked on was the development of a complex software system for a large financial institution.
• The project involved integrating multiple legacy systems with modern technologies.

• There were numerous technical challenges, such as ensuring data consistency and security across different platforms.

• The project also had tight deadlines and high stakeholder expectations.

• Managing a large team and coord...read more
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Q3. How to handle a toughest boss
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Handling a tough boss requires effective communication, adaptability, and maintaining professionalism.
• Maintain open and honest communication with your boss

• Adapt to their management style and preferences

• Focus on delivering high-quality work and meeting deadlines

• Seek feedback and actively work on improving

• Maintain professionalism and avoid personal conflicts

• Build a support network within the organization

• Document and keep...read more
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Q4. How did you resolve conflicts within team
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I resolved conflicts within the team by promoting open communication, active listening, and finding common ground.
• Encouraged team members to express their concerns and opinions

• Actively listened to each team member's perspective

• Facilitated open discussions to find common ground and reach a consensus

• Implemented a conflict resolution process to address conflicts in a timely manner

• Mediated conflicts between team members by...read more
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Q1. Image processing, CI/CD, C++, C basics, video processing details
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Q1. General managerial questions and few puzzles
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