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