Senior Full-Stack Software Engineer

vor 2 Wochen

Zug, Zug, Schweiz Coopers Group AG Vollzeit CHF 100'000 - CHF 120'000 pro Jahr

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

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