Senior .NET Developer

Senior .NET Developer qualifications to look for 

A .NET developer is responsible for producing code using  .NET languages such as C# and VB. 

Senior .NET developers are savvy creators who design applications from scratch, configure existing systems and provide user support. A .NET developer thrives on teamwork and collaborates to design, develop and maintain software.

Keep an eye out for candidates who have:

• A strong understanding of basic algorithmic concepts
• Solid critical thinking skills 
• A wider understanding of databases
• A strong intellectual interest in application development
  

Top tip: Hire candidates willing to grow by making sure their personal career goals align with your company's mission.

Role-specific interview questions

• Describe a use case and the benefits of a Reflection in .NET.
• Describe a use case for the dynamic type in .NET.
• Explain why a Lambda expression forms a closure.
• Explain how anonymous classes instantiated in .NET. Can they be passed as function params?
• Do you think it’s possible in .NET to extend a class (any class) with some extra methods? If yes, how can it be accomplished?
• Describe the way attributes are used and a proper use case in.NET. 
• Explain a Just in Time compiler. Do you know of any programming language runtimes that use one?
• What are the key differences between the preemptive threading model and the cooperative threading model?
• Explain how MSIL (intermediate language) fits into the whole .NET framework architecture.
• Define polymorphism, inheritance, and encapsulation.
• Describe a use case and the needed code modifications for the await keyword? 
• How would you accomplish lazy initialization in .NET?
• What is the “virtual” keyword?
• In what case would you declare a field as volatile?
• Explain the Entity Framework and its benefits.
• Explain the difference between the IQueryable and IEnumerable interface in LINQ.
• Describe the benefits of using the Aggregate method in LINQ.
• What tools & practices are necessary for a Continuous Delivery solution?
• What’s the relationship between a code point and a code unit in Unicode?
• Explain the components of a quality unit test good. What about functional ones?