Senior Full-Stack Software Engineer (m/f/d)
Work Selection AG is a first‑tier supplier to our renowned business partner Roche Diagnostics in Rotkreuz. We are currently looking for a motivated and dedicated Senior Full‑Stack Software Engineer for a temporary assignment of one year, with the possibility of extension.
Tasks & Responsibilities
* Design, develop, and maintain high‑quality software across the full stack for our core instrument software.
* Build and evolve robust back‑end controllers using C#/.NET that interface with instrument hardware and handle data processing.
* Implement a 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 mentor 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 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‑Haves
* 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.
Benefits
* Work with state‑of‑the‑art tools on a modern campus featuring green spaces and an inspiring atmosphere.
* Experience a work culture that promotes diversity and inclusion, where everyone feels valued.
* Benefit from financial support for your professional development and further education.
* Take advantage of unbeatable, year‑round discounts with renowned retailers, over 200 top brands, as well as fleet discounts on new car purchases and consistent fuel discounts.
* Become part of one of the most renowned pharmaceutical companies and actively help shape the future of healthcare.
* Enjoy a selection of high‑quality meals in modern staff restaurants.
* Where applicable, benefit from on‑site parking as part of a sustainable mobility concept.
* Start with professional onboarding and a thorough introduction to your new role during the Welcome Days.
* We offer you a long‑term position and diverse development opportunities within the company.
Are you interested? Don’t hesitate and submit your complete application documents online today. We look forward to hearing from you!
Wir wertschätzen Vielfalt und begrüssen daher alle Bewerbungen – unabhängig von Geschlecht, sozialer Herkunft, Religion, Alter und Identität. Zur leichteren Lesbarkeit und besseren Verständlichkeit verwenden wir nur eine Gender‑Form. Selbstverständlich sind im jeweiligen Kontext alle Genderformen gleichermassen gemeint.
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