Software Engineers – Medical Device Software

Ardos is an ambitious AI MedTech startup redefining radiotherapy through real-time dose guidance. Our core product, DoseTracker , turns motion data into real-time insight into how radiation dose is actually delivered to moving anatomy — enabling a new generation of intelligent, adaptive cancer treatment.

We are backed by strong investors and are developing DoseTracker together with leading radiotherapy centres in Europe, the US, and Australia. Our platform combines real-time data processing, physics-based dose calculation, and advanced algorithmic decision support to bring intelligence, speed, and precision into cancer treatment workflows.

We are now expanding our core team and looking for 2–3 exceptional Software Engineers with a builder mindset: people who want responsibility, influence, and the chance to shape both a product and a company from an early stage.

This is not just another software job. You will help take DoseTracker from advanced research software toward a certified clinical product — solving complex real-world problems and building technology intended for use in real patient treatments.

If you want your work to have global impact, we would love to hear from you.

The role

As a Software Engineer at Ardos, you will work closely with clinical experts, medical physicists, researchers, and a small but ambitious development team.

You will help design, implement, test, document, and validate medical device software for real-time dose tracking in radiotherapy. The work spans full-stack development, including real-time data processing, numerical computation, user interfaces, system architecture, performance optimization, and integration with clinical workflows.

This is not a narrow coding role. You will help shape the product, the architecture, and the engineering culture as the company grows. Roles are not rigidly defined, and there will be strong opportunities to shape your own responsibilities based on your interests and strengths.

You will also contribute to building software in a regulated medical device environment, where quality, traceability, testing, and documentation are part of creating safe and reliable technology for clinical use.

What you will do

You will:

Design, develop, and maintain DoseTracker and adjacent software modules

Work across the stack, from real-time data processing and numerical computation to user interfaces and workflow integration

Contribute to system architecture, technology choices, and technical decision-making

Build robust, testable, and maintainable software for a safety-critical medical environment

Collaborate with clinical experts to translate real clinical needs into software solutions

Contribute to requirements, risk analysis, verification, validation, and traceability

Document software design, architecture, tests, risks, and technical decisions

Support documentation required for regulatory approval, including FDA clearance and CE marking

Participate in code reviews, testing, CI/CD, and continuous improvement of development processes

Help us use modern development tools, including AI-assisted workflows, to work smarter and improve software quality

What you bring

We are looking for engineers who are curious, structured, and motivated by complex real-world problems.

We expect that you have:

A degree in software engineering, computer science, physics, engineering, mathematics, or similar

Strong programming skills in C#, Python, C++, or similar

Willingness to work in a primarily C#/.NET-based codebase

Solid understanding of software engineering principles, design patterns, testing, and code quality

Experience with Git-based development, preferably using GitLab or similar platforms

Experience working in a team-based development environment

Ability to write clear technical documentation and communicate technical decisions

Motivation to work in a quality-focused and regulated development environment

Ability to work independently and in a multidisciplinary team

Interest in the intersection of software, physics, and healthcare

Fluency in English

It is a plus if you have

Experience with regulated software development

Familiarity with standards such as IEC 62304, ISO 13485, ISO 14971, MDR, or FDA requirements

Experience with medical device software, health technology, or other safety-critical systems

Experience documenting software requirements, architecture, tests, risks, or verification activities

Experience with real-time systems, data processing, numerical computing, or optimization

Experience with parallel computing, GPU acceleration, or performance-critical applications

Experience with C#/.NET, Python, WPF, cloud/backend systems, or modern UI frameworks

Experience with CI/CD, automated testing, static analysis, or DevOps practices

Experience using AI coding assistants, agents, or workflow automation to improve development efficiency and quality

Interest in radiotherapy, medical physics, imaging, or clinical software

What we offer

At Ardos, you will join early enough to have real influence.

We offer:

A key role in developing novel medical device software with real clinical impact

A technically challenging product involving real-time systems, physics, optimization, UX, and regulatory requirements

A dynamic startup environment with short decision paths and high ownership

Significant influence on architecture, engineering practices, and product direction

The opportunity to help take software from research-grade prototype to certified clinical technology

Close collaboration with leading radiotherapy centres in Europe, the US, and Australia

Flexibility to shape your role as the team grows

Strong opportunities for professional and technical development

A mission-driven team working to improve cancer treatment

Practical details

Positions: 2-3 full-time roles

Location: Aarhus, Denmark

Flexibility for the right candidate

Start date: As soon as possible, with

flexibility for the right candidate

Travel: Occasional travel to partner sites, collaborators, or conferences may be required

Application

Please send your CV and a short motivation letter to careers@ardos.io .

Applications are reviewed on a rolling basis.

For questions, contact:Thomas Ravkilde

E-mail: thomas.ravkilde@ardos.ioPhone: +45 51 93 20 53