Software Engineer (m/w/d) - C# & .Net

About SITS Group
SITS Group is a leading IT security group with more than 700 employees, bringing together the expertise, resources, and services of specialized IT security providers. The company helps customers protect their digital environments through integrated security strategies, innovative technologies, threat detection, and defense solutions.
About the Role
SITS Group is looking for a Software Engineer to join its team in Jona or Basel, Switzerland. In this role, you’ll design, develop, and integrate modern software applications using C# and .NET, contributing to solutions that support IT security and help customers build a safer digital future.
You’ll work closely with the Product Manager to understand requirements, develop user-friendly applications, and maintain high software quality standards. The position also offers opportunities to contribute to areas such as authentication, digital signatures, and encryption while working with a collaborative team.
Key Responsibilities
•Design, develop, and integrate modern applications using C# and .NET.
•Gather and analyze requirements in collaboration with the Product Manager.
•Build high-quality, user-friendly software solutions that address customer needs.
•Develop and maintain web applications, web services, user interfaces, databases, and backend systems.
•Ensure software quality by following internal guidelines, standards, and established engineering practices.
•Provide technical guidance and serve as a knowledgeable point of contact for technical and subject-related questions.
•Contribute to software solutions involving IT security, authentication, digital signatures, and encryption.
•Collaborate with colleagues to deliver reliable applications and support customer requirements.
Required Qualifications & Technical Skills
•A degree from a university of applied sciences or an equivalent qualification, along with practical experience.
•Strong software engineering skills and proficiency in C# and the current .NET platform.
•Experience developing web applications, web services, user interfaces, databases, and backend systems.
•Interest in IT security, authentication, digital signatures, and encryption.
•Analytical and conceptual thinking skills, with the ability to understand requirements and develop effective solutions.
•Ability to learn quickly, communicate clearly, and work collaboratively with colleagues and stakeholders.
•Good German and English language skills.
Preferred Qualifications
•Knowledge of Blazor, .NET Aspire, and Wolverine.
•Familiarity with additional programming languages such as Java or Go.
Work Arrangement & Working Hours
•Location: Jona or Basel, Switzerland.
•Working hours: 42 hours per week.
•Flexible working hours and the option to work remotely.
Benefits & Team Culture
SITS Group offers a supportive working environment with opportunities for professional development and a healthy work-life balance. Benefits and workplace features include:
•An open, respectful, and appreciative communication culture.
•A collaborative team environment with varied and engaging technical work.
•Structured onboarding and comprehensive training to help new employees settle into their roles.
•Flexible working arrangements and mobile working options.
•Opportunities for personal development, creative work, and further training.
•Employee discounts and corporate benefits.
•An employee referral program with financial rewards.
•Modern IT equipment, including a company laptop, headset, and additional monitor.
•Team events and a workplace culture built around open communication and strong team spirit.
Career Opportunity
At SITS Group, you’ll have the opportunity to contribute to meaningful IT security projects, work with modern technologies, and help protect customers in an increasingly connected digital world. The company emphasizes teamwork, continuous learning, and creating a secure digital future.

Work arrangement
Yes