Senior .NET Developer 80-100%
Solothurn
Key information
- Publication date:09 December 2025
- Workload:80 – 100%
- Contract type:Unlimited employment
- Place of work:Solothurn
Job summary
Join SASIS AG, part of the santésuisse group, a dynamic IT firm in healthcare.
Tasks
- Develop and maintain scalable, multi-tenant enterprise applications.
- Create user interfaces using ASP.NET MVC and Angular.
- Support application operations for efficient incident handling.
Skills
- Completed IT education with several years of experience in complex application development.
- Strong knowledge of front-end and back-end technologies.
- Team-oriented personality with initiative and project enjoyment.
Is this helpful?
SASIS AG, a company of the santésuisse group, is a dynamic IT company that acts as a central hub in the healthcare sector. It develops, operates, and distributes electronic industry applications and services of the highest quality and data security. Customers mainly include insurers, service providers and their organizations, authorities, as well as industry associations. Currently, the santésuisse group is undergoing a comprehensive transformation to prepare for the future.
We are looking for a
Senior .NET Developer 80-100%
at our company location in Solothurn.
Shape data-driven enterprise web applications on the .NET technology stack – from UI to
backend – and master challenging software tasks with an agile mindset, enthusiasm for innovation, and test-driven development.
Your mission
- Develop, extend, and maintain our scalable, multi-tenant enterprise applications
- Implement user interfaces with ASP.NET MVC, Angular, and Windows Forms
- Design robust backends with .NET and .NET Core in C# and VB.NET
- Model and optimize MS SQL databases including migrations
- Support application support for efficient incident handling
- Perform staging and production releases as well as implement automated tests
- Participate in the Scrum process and structure technical work packages
Your profile
- Completed computer science education and several years of experience in developing complex applications
- Very good knowledge of frontend and backend technologies
- Confident handling of modern development environments and collaboration tools
- Ability to structure complex requirements, make architectural decisions, and independently develop technical concepts
- Precise and goal-oriented communication in German, English is a plus
- Team-oriented personality with initiative and enthusiasm for challenging projects
Our offer
- Lots of freedom to make an impact
- Flexible working hours and home office options
- Attractive employment conditions and top social benefits
- Support for further education and generous loyalty bonuses
- Projects with real social relevance in the Swiss healthcare system
And what now?
Does this exciting task appeal to you and are you ready to help shape the future of our company?
Then send us your complete application documents now.
SASIS AG | c/o santésuisse | Jana Marolf | HR Specialist | Römerstrasse 20 | 4502 Solothurn