I assembled some of my C# projects (that I could dig out and present) as a proof of my skill in using this tech.
Generalized Generator of Gigantic Fibonacci numbers.
Features: Speed β matrix based computation, Accuracy β perfectly correct output, Flexibility β negative indexes accepted.
Unity projects in which my C# scripts constitute a significant proportion.
Graph visualization featuring beatiful, lively (time dependant) and configurable graphs from which user can choose from.
Project simulating interactions between celestial bodies.
Especially gravity force has very interesting optimized algorithm in C# for many-to-many interation.