Senior Full Stack Software Engineer

At Clario, part of Thermo Fisher Scientific, we develop regulated technology that helps unlock better evidence and improve patient outcomes worldwide. Our software platforms support clinical trials, diagnostics, and medical decision-making in highly controlled regulatory environments.

We are expanding our global R&D teams and seeking several Senior Full Stack Software Engineers with deep experience in C#, .NET, and Angular to help build Clario’s unified cloud platform powering Digital Physiology, eCOA, and Medical Imaging solutions. As a senior engineer, you will work across a modern, service-oriented architecture-leading the development of scalable, secure, high-performance systems that support global clinical trials and accelerate advancements in healthcare worldwide.

What We Offer

• Competitive compensation

• Attractive benefits focused on security, flexibility, support, and well-being

• Engaging employee programs

• Remote/Hybrid working options in Hungary

• OTP Szép Card

• Excellent learning, development, and career progression opportunities

What You’ll Be Doing

• Design and develop scalable backend services and applications using C#/.NET

• Build, integrate, and optimize RESTful APIs and SQL Server performance

• Contribute to front-end components with Angular where applicable

• Implement automated testing, CI/CD workflows, and high-quality engineering standards

• Collaborate closely with Product, QA, DevOps, and architecture groups

• Troubleshoot complex production issues and drive root-cause resolution

• Influence system architecture and propose pragmatic, high-impact improvements

• Provide technical leadership and mentorship to engineers across the team

• Document designs, decisions, and operational runbooks for clarity and continuity

What We’re Looking For

• Bachelor’s degree in Computer Science or equivalent experience

• 4+ years of professional software engineering experience delivering enterprise-grade solutions

• Strong professional experience with C# and the .NET ecosystem

• Hands-on experience developing SPAs with Angular (or another modern TypeScript framework)

• Solid understanding of object-oriented design, modular architectures, and scalable backend services

• Experience influencing technical direction and guiding engineering outcomes

• Strong communication skills and ability to collaborate effectively

• Based in or able to work from Hungary (remote/hybrid options available)

At Clario, our purpose is to transform lives by unlocking better evidence. It’s a cause that unites and inspires us. It’s why we come to work-and how we empower our people to make a positive impact every day. Whether you're advancing clinical science, building innovative technology, or supporting our global teams, your work helps bring life-changing therapies to patients faster.