Senior Software Engineer (.NET), SDK

Requirements

• 5+ years as a Software Engineer with a strong focus on .NET and mobile platforms, ideally in SDK development or developer tooling
• Strong C# and .NET MAUI experience — prior Xamarin experience is a plus
• Solid grasp of the .NET ecosystem — Microsoft.Extensions, dependency injection, and how .NET integrates with native frameworks on iOS, Android, and Windows
• Deep understanding of the managed-to-native interop layer, platform lifecycle differences, and the .NET runtimes underpinning MAUI (Mono, CoreCLR, Android runtime) and how they affect performance and debugging
• Experience leveraging AI-powered development tools to enhance productivity and code quality
• Excellent written and spoken English communication skills
• Well-organized with a high level of attention to detail and accuracy
• You live in the Vienna area or are willing to relocate for this incredible opportunity
• Ideally, you also have experience with other cross-platform frameworks (React Native, Flutter)

What You'll Be Doing

• Own the .NET (including MAUI) SDK end-to-end, guiding its development from core architecture to final product experience
• Pioneer exciting new features like Profiling and Session Replay, and build out next-generation application & performance monitoring for the MAUI platform
• Tackle the unique challenges of bridging managed .NET code to native platform behaviour, designing robust, high-quality APIs built to handle massive scale
• Collaborate with maintainers of upstream packages — both libraries our SDK depends on and frameworks we instrument for our users
• Be the go-to expert for MAUI at Sentry, helping teams and customers solve the most complex and interesting challenges across the .NET ecosystem

Nice to Haves

• Experience with other cross-platform frameworks like React Native, Flutter

Perks and Benefits

• A salary starting at EUR 99,000 per year
• Participation in Sentry’s employee benefit plans/programs including incentive compensation, equity grants, paid time off, and group health insurance coverage
• Opportunities for growth and development
• Commitment to providing equal employment opportunities and creating an inclusive culture