Software Engineer - C#

Sonova Group; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Training & development opportunities

Job summary

Sonova Group is seeking a Software Engineer - C# to join its R&D team in a scaled agile environment. You will develop tools for building, testing, and releasing firmware for hearing health products and contribute to a fitting software platform used by audiologists.

You will design and implement features in C#, .NET, WPF, and XAML, while ensuring code quality through reviews, testing, and safe architectural practices in an international, distributed setup.

Qualifications

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

Responsibilities

• Design, develop, test, and maintain software components 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 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 maintain a reliable software platform.
• Share knowledge and contribute to engineering best practices and continuous improvement initiatives.

Skills

C# development

.NET

WPF

MVVM

XAML

UI design

Troubleshooting

English communication

Education

University degree in Computer Science/Software Engineering

Tools

Azure DevOps

GIT

Job description

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At Sonova, we envision a world where everyone can enjoy the delight of hearing. This vision inspires us and fuels our commitment to developing innovative solutions that improve hearing health and human connection - from personal audio devices and wireless communication systems to hearing aids and cochlear implants. We're dedicated to providing outstanding customer experiences through our global audiological care services, ensuring that everyone has the opportunity to engage fully with the world around them.

Guided by a culture of continuous improvement that fosters resilience and self-motivation, our team is united by a shared commitment to excellence and a deep sense of pride in our work, each of us playing a vital role in creating meaningful change,

Here you’ll find a diverse range of opportunities that span both consumer and medical solutions and the freedom to shape your career while making an impact on the lives of others. Join us in our mission to create a more connected world, where every voice is heard and every story matters.

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

• 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.

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.

Sonova is an equal opportunity employer.

We team up. We grow talent. We collaborate with people of diverse backgrounds to win with the best team in the marketplace. We guarantee every person equal treatment in regard to employment and opportunity for employment, regardless of a candidate’s ethnic or national origin, religion, sexual orientation or marital status, gender, genetic identity, age, disability or any other legally protected status.