Software Engineer - C#

This is your opportunity to work in a scaled agile environment within international teams developing high-tech solutions for the medical hearing health care sector. You will be responsible for the development of tools for building, testing, and releasing firmware for our products. 

More about the role

In this role, you will be part of our R&D team, and you will be responsible for building an application used by audiologists to adjust the software installed on our new line of hearing aids.

Tasks & Responsibilities

• Design, develop, test, and maintain software components and features for Sonova's .NET desktop applications and fitting software platform.  


• Collaborate with product managers, designers, engineers and verification engineers to refine requirements and transform them into effective software solutions. 


• Develop intuitive user interfaces using C#, .NET, WPF, and XAML, including prototyping new concepts and workflows.  


• Ensure high software quality through clean code practices, code reviews, automated testing, and adherence to architectural guidelines.  


• Perform root cause analysis, troubleshoot issues, and contribute to maintaining a reliable and sustainable software platform.  


• Share knowledge, support onboarding activities, and contribute to engineering best practices and continuous improvement initiatives. 

More about you

Essential qualifications: 

• University degree in Computer Science, Software Engineering, or related technical discipline. 


• 5+ years of professional software development in C# with experience .NET, XAML-based, MVVM capable UI frameworks like Avalonia, Maui, WPF 


• Solid understanding of object-oriented analysis and design, software architecture, design patterns, SOLID principles, and clean code practices.  


• Track record of owning features from idea through release and maintenance. 


• Strong problem-solving skills and a passion for delivering high-quality software.  


• Fluent English and confidence communicating in international, distributed teams. 

Good to have qualifications:

• Experience in regulated environments, ideally medical devices software. 


• An interest in audiology or healthcare technology. 


• Experience working with CI/CD pipelines, ideally in Azure DevOps. 

We understand that you may not meet every requirement listed. If you believe this role aligns with your skills and aspirations, we encourage you to apply - even if you don’t fulfill 100% of the qualifications

What we offer

As one of the world’s leading hearing care providers headquartered in Switzerland, we’re committed to building an inclusive culture. We want to create an environment where you can balance a successful career with your commitments and interests outside of work, through our flexible hybrid working model. We offer a wide range of training opportunities for both your professional and personal development, and there are exceptional growth opportunities with individual development plans.

Why Join Sonova? 

At Sonova, we offer more than just a job — we offer a chance to make an impact. You’ll join a collaborative, inclusive environment where your ideas matter and your leadership shapes how we serve our customers. With our modern office spaces, focus on employee development, and strong company values, you’ll be empowered to grow both personally and professionally. 

Make an impact that resonates. Join Sonova and help us bring the world closer through better hearing.