Senior .NET WPF Developer (f/m/x)

We are looking for a Senior .NET WPF Developer to join a team delivering a project in the medical technology domain focused on developing advanced software solutions for healthcare-related devices. In this role, you will contribute to the development of a Windows 11 desktop application and play a key part in building and enhancing core product functionalities. The project involves working on solutions with high-quality, safety, and compliance requirements, making it an excellent opportunity for professionals who want to apply their .NET and WPF expertise to a product that has a real impact on the quality and safety of technologies used in medical environments.

Your tasks

• Developing and maintaining a desktop application built with .NET, C#, and WPF for the Windows 11 platform
• Designing and implementing new features in line with business requirements and quality standards applicable to safety-critical solutions
• Creating and configuring customized Windows 11 system images to support application deployment and operation
• Preparing, executing, and analyzing functional and technical tests to ensure the highest quality of the solution
• Collaborating on technical and regulatory documentation required for product certification processes

Requirements

• At least 5 years of commercial experience in software development using .NET and C#
• Strong expertise in WPF and desktop application development
• Practical experience with the MVVM architectural pattern
• Experience working with version control systems (Git) and software development lifecycle tools
• Good command of English, enabling effective communication in an international environment
• Residency in Poland

Nice to have

• Knowledge of regulatory requirements within the medical industry or other highly regulated sectors
• Experience supporting product certification processes or preparing compliance-related documentation

Job no. JOB-VLTTC

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care