Job Description

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