For our client from the diagnostic environment, we're looking for an experienced and Senior Full-Stack Software Engineer (m/f/d) 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
start date:
Nov/Dec 2025 or Jan 2026
end date:
one-year-contract (with a chance onto extension)
workload:
80-100% - with max. 50% remote
location:
Rotkreuz (CH)
work model:
Contracting
Your Key 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
Your Qualifications:
* 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
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