Senior Full-Stack Software Engineer

Full-Stack Software Developer

Location: Rotkreuz, Switzerland Workload: 80-100% Remote Work: Up to 50% Start Date: ASAP (latest: 01.01.2026) Duration: 12 months (with extension option)

About the Role

We are seeking a skilled and experienced Full-Stack Software Developer to join our Instrument Development team. You will be responsible for developing and modernizing software for high-tech instruments in a regulated environment. This role offers a mix of backend and frontend development, collaboration with cross-functional teams, and the opportunity to contribute to impactful medical technology.

Key Responsibilities



Full-stack development for instrument software

Backend development using C#/.NET for hardware interfacing and data processing

Frontend development using React & TypeScript to replace legacy GUI

Collaborate with project leads, testers, and engineers

Ensure compliance with regulated environment standards (documentation, testing)

Participate in code reviews, design discussions, and mentoring

Troubleshoot software-instrument communication issues



Required Qualifications



5+ years of professional software development experience

Deep expertise in C# and .NET/.NET Core (RESTful APIs, device communication)

Proficiency in React (or Angular/Vue) and TypeScript

Experience working in regulated industries (e.g., medical devices)

Fluent in English with strong team collaboration skills



Preferred Qualifications



Experience with instrumentation

Legacy system overhaul experience

Knowledge of Linux (shell scripting, system services)

Understanding of networking or cybersecurity

Familiarity with secure coding practices

SThree_Germany is acting as an Employment Business in relation to this vacancy.