Leica Biosystems Lead Engineer Interview Questions and Answers

.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. Be strong with fundamentals of DSA
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Q1. Product explanation
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Product explanation involves providing a detailed overview of the features, benefits, and functionality of a specific product.
• Highlight key features and benefits of the product

• Explain how the product solves a problem or meets a need

• Provide examples of how the product is used in real-world scenarios
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Q2. Python Devops question
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Q1. Product framework used
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We primarily use the Agile framework for product development.
• Agile framework is used for its flexibility and ability to adapt to changing requirements

• Scrum is a popular Agile framework that we follow for sprint planning and execution

• Kanban is another Agile framework we use for visualizing work and workflow management
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Q2. Python devops lifecycle
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Be through with coding skills on technologies mentioned as per CV.

Q1. Asked questions on previous projects regarding role and responsibilities.
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Q1. Why you are accepting refrence people got a job this organisation....they are no skilled....nikhila is a skilled employee but she's replaced person Surya is very low power skill...bcz of sarath Chandra rou...read more
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Q2. Prakash Kumar sahoo is very skilled person but why pradeep reference her old colleague Karthik and jeeva ,,,,then etc people from Wipro company....bcz pradeep thinking is (already I left from this golden e...read more
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C#, .Net, Javascript test

Q1. .Net all the topics, Javascript, Sql Server, Azure, Along with a logical coding problem solving
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Q1. .Net Design Patterns, Software Design principles, Logic problem solving
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Q1. US Round: Rest API principles, Coding the WebAPIs
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Q1. Managerial fitment round. Behavioral Questions, Attitude Analysis, Case study
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Q1. Salary expectation discussion, Benefits explanation
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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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