Worked on the stryker-mutator/stryker-net repository to enhance mutation testing accuracy for .NET projects by delivering a targeted feature focused on implicit constructor mutant filtering. Extended the IgnoredMethodMutantFilter to recognize and filter mutants generated from implicit constructors, addressing a common source of noise in continuous integration feedback. Developed comprehensive unit tests in C# to cover various implicit constructor scenarios, ensuring robust validation of the new filtering logic. Applied skills in code analysis, mutation testing, and unit testing to improve mutation score accuracy, resulting in more actionable CI results and a streamlined developer experience for teams using mutation testing in their workflows.