For our client Roche Diagnostics International, the global market leader in in-vitro diagnostics based in Rotkreuz (ZG), we are looking for a motivated team player with professional experience in software development and strong expertise in C# and .NET.

Senior Full-Stack Software Engineer (a) – partly remote

We're looking for an experienced and Senior Full-Stack Software Engineer to join our team and play a key role in overhauling our instrument software's legacy GUI. You'll be instrumental in developing modern, robust, and compliant solutions across the full stack in a regulated environment. If you're passionate about both elegant front-end user experiences and resilient back-end architectures, we want to hear from you!

Your tasks

• Design, develop, and maintain high-quality software across the full stack for our core instrument software.
• Play a key role in building and evolving robust back-end controllers using C#/.NET that interface with instrument hardware and handle data processing.
• Implement the new front-end user interface using React and TypeScript, replacing the existing legacy GUI for instrument management.
• Collaborate closely with project leaders, Testers, and other engineers to define, estimate, and deliver features.
• Ensure all development practices and delivered software meet the stringent requirements of a regulated environment, including documentation, testing, and compliance standards.
• Participate in code reviews, design discussions, and mentoring junior team members.
• Diagnose and resolve complex technical issues, bottlenecks, and performance challenges related to software-instrument communication.

Your qualifications

• Bachelor's or Master's degree in IT or a related field
• 5+ years of professional software development experience
• Deep expertise with C# and the .NET framework (or .NET Core) for building backend services (e.g., RESTful APIs, device communication layers)
• Proficiency in modern front-end development using React (or a similar modern framework like Angular/Vue) and TypeScript
• Experience working in a regulated industry (e.g., Medical Devices, Scientific/Lab Equipment) with a strong understanding of compliance, security, and quality assurance best practices
• Excellent communication skills in English (fluent)
• Experience in tackling and successfully executing a legacy system overhaul or modernization project is an advantage
• Knowledge of Linux operating systems, including shell scripting and system services, is valuable for deployment and debugging on the instrument is an advantage
• Knowledge in the area of networking or cybersecurity is an advantage
• Familiarity with secure coding practices is an advantage

Your application

Please apply online. For further information about the position, please contact your Gi Consultant, Mr. Nazim Sagkol (B. Eng.), (+41 76 349 85 07)

Gi Life Science is part of Gi Group Holding, a global ecosystem of HR services and consulting that supports the development of the labour market and helps to change people's lives in 37 countries around the world. In Switzerland we operate with the brands Gi Life Sciences, Gi Group, Grafton and Bautech Personal. We are active in temporary, permanent and professional staffing as well as in a variety of complementary HR Services. With a direct presence in 40 locations across Switzerland and over 200 employees, we are one of the leading staffing companies in the Swiss recruitment market. Gi Life Sciences is specialist for Temporary and Permanent staffing in the Life Science sector, as well as a valuable partner for many other HR Solutions. We believe in experts talking to experts: all our professionals are certified in scientific sector, meaning that they are able to understand your needs and support you at 360°.