Senior .NET Developer - Legacy Modernization

We are seeking a highly skilled and experienced Senior .NET Developer to lead the modernization of a legacy product built on the traditional .NET Framework. This product, currently Windows-only, is burdened by technical debt and dependency challenges, and needs a dedicated leader to drive it into a modern .NET Core infrastructure.As a key member of our engineering team, you will be instrumental in assessing the current architecture, designing a modernization strategy, and executing the migration to .NET Core. You’ll work alongside other senior developers and stakeholders to ensure a seamless transition, while maintaining product stability and performance.

Responsibilities:

• Lead the migration of legacy .NET Framework applications to .NET Core/.NET 6/7/8.
• Analyze and resolve dependency and compatibility issues during modernization.
• Collaborate with cross-functional teams to develop a strategic modernization roadmap.
• Refactor existing code to improve performance, maintainability, and scalability.
• Serve as a technical leader and mentor for other developers, fostering a culture of continuous improvement.
• Troubleshoot complex issues and develop solutions to maintain product stability.
• Identify and address technical debt while introducing best practices for code quality and performance.
• Proactively communicate progress, challenges, and solutions to stakeholders.

Qualifications:

• 5+ years of professional experience as a backend .NET Developer.
• Proven experience migrating from legacy .NET Framework (ASP.NET, WCF, WinForms) to modern .NET Core/.NET 6/7/8.
• Strong understanding of both ASP.NET Web Forms and ASP.NET Core MVC/Web API.
• Proficiency in C# and modern development practices, including dependency injection and asynchronous programming.
• Demonstrated ability to tackle tech debt and modernize outdated architectures.
• Experience with Windows-only applications and managing complex dependencies.
• Strong problem-solving skills and a “get it done” attitude.
• Excellent leadership, communication, and mentorship abilities.
• Ability to work independently and take ownership of large-scale projects.