RaySearch Laboratories AB is a Stockholm-based company that was founded as a spin-off from Karolinska Institutet in 2000 and has been listed on Nasdaq Stockholm since 2003. They offer leading systems such as RayStation and RayCare, and newer tools like RayIntelligence and RayCommand, helping clinics worldwide plan and deliver radiation therapy with precision and efficiency.

The company’s software is used in over 1,000 clinics across roughly 44 countries and supports a range of radiotherapy techniques - from proton and carbon ion treatments to adaptive and multi-criteria optimized therapy. RaySearch works closely with hospitals and research centers to drive rapid innovation in oncology.

As an employer, RaySearch is positioned as a research-intensive, engineering-heavy environment where developers, physicists and machine learning experts can contribute to life-saving technology. They advertise roles globally - such as system developers, application specialists and clinical specialists - with the majority of development operations based in Stockholm.