Senior Full-Stack Software Engineer (m/f/d)- C# / .NET framework / .Net core / RESTful APIs / Angular / Vue / TypeScript / Medical Device / Lab Equipment / English
Project:
For our customer Roche Diagnostics International AG based in Rotkreuz we are looking for a qualified Senior Full-Stack Software Engineer.
Background:
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!
The perfect candidate brings minimum 5 years of professional software development experience and additionally deep expertise with C# and the .NET framework for building backend services. Also we are looking for someone with strong communication skills in English ( and a proven track record as a versatile team player.
Tasks \& Responsibilities:
* 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.
Must Haves:
* 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) and a proven track record as a versatile team player who thrives in a collaborative, cross-functional setting.
Nice to Have:
* Experience working with instrumentation.
* Experience in tackling and successfully executing a legacy system overhaul or modernization project.
* Knowledge of Linux operating systems, including shell scripting and system services, is valuable for deployment and debugging on the instrument.
* Knowledge in the area of networking or cybersecurity.
* Familiarity with secure coding practices.
Reference Nr.: 924488
Role: Senior Full-Stack Software Engineer (m/f/d)
Industrie: Pharma
Workplace: Rotkreuz
Pensum: 80 – 100%
Start: Asap (latest Start Date: 01.01.2026)
Duration: 12 Months
Deadline: 19.10.2025
Job Type: 80-100%
Work Location: On the road