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 delivery team and seeking a Software Development Engineer to join our Hungary-based team. You will become part of the Project Development squad responsible for initial release software development, working with a tech stack that includes JavaScript, ES6, JSON, HTML, CSS, Jasmine, and Git.
In this role, you will contribute to the development of highly interactive mobile-web and software applications used for clinical research data acquisition and data management. These applications are deployed globally on smartphones and tablets, supporting clinical trials worldwide.
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
Develop and deploy mobile-web client applications according to study specifications
Integrate clinical research data acquisition applications with backend, project-specific databases
Participate as a software development contributor in cross-functional project teams, working alongside Project Managers, Clinical Study Design, Software QA, and Data Delivery colleagues
Contribute to specification development, planning, and deployment scheduling processes
Deliver software development tasks in a timely manner across the full development lifecycle
Update and improve standard libraries and contribute to semi-custom implementations for specific clients
Adhere to Clario’s Standard Operating Procedures and regulated development practices
Manage the development lifecycle of clinical trial data collection applications
Bachelor’s degree in Computer Science or related field, or equivalent experience
Full-stack enterprise web application development experience
Strong experience with JavaScript and modern web technologies
Experience with asynchronous calls, CSS, XML, JSON, HTML5, and SQL
Experience with object-oriented programming languages
End-to-end software development experience from specification to delivery
Experience working in cross-functional teams
Experience with source control systems
Ability to work independently, take ownership, and deliver high-quality applications
Strong learning agility and ability to work effectively in a team environment
Strong interest in applying new technologies within the clinical trials space
Ability to manage multiple tasks simultaneously
Excellent verbal and written communication skills
At Clario, our purpose is to transform lives by unlocking better evidence. It’s a cause that unites and inspires us. Whether you're building innovative technology or supporting global clinical research, your work contributes directly to advancing clinical trials and improving outcomes for patients worldwide.

Clario is a leading healthcare research and technology company that generates high quality clinical evidence for our pharmaceutical, biotech, and medical device partners. We offer comprehensive evidence generation solutions that combine eCOA, cardiac safety, medical imaging, precision motion, and respiratory endpoints.
Since our founding more than 50 years ago, Clario has delivered deep scientific expertise and broad endpoint technologies to help transform lives around the world. Our endpoint data solutions have supported clinical trials over 26,000 times in more than 100 countries. Our global team of science, technology, and operational experts have supported over 60% of all FDA drug approvals since 2019.
For more information, visit Clario.com