Master Thesis in Radiation Therapy Optimization

1 month ago


Stockholm, Stockholm, Sweden RaySearch Laboratories AB (publ) Full time
About RaySearch Laboratories AB (publ)

RaySearch develops innovative software solutions to improve cancer care. Our software is used by over 1000 clinics in more than 40 countries to enhance treatments and quality of life for patients. Founded in 2000, we are a rapidly growing, global Swedish company with our head office and R&D department in Stockholm.

Master Thesis Opportunities

We are offering two Master Thesis projects within algorithm development and optimization at our head office in central Stockholm, starting in January 2025. These projects will involve formulating mathematical optimization problems and implementing methods to find solutions in our in-house developed treatment planning system RayStation.

Project 1: Optimization of Spatiotemporally Fractionated Radiation Therapy for Brain Cancer Patients

This project aims to explore the advantages of treatments that vary between fractions, both as a function of time and space. The goal is to investigate the application of such spatiotemporally fractionated treatments to patients with multiple metastatic brain tumors, where they have the potential to reduce the overall biologically effective dose to the healthy brain.

Project 2: Optimization of Dynamic Collimator Angle Trajectories for Brain and Breast Cancer Treatments

This project aims to utilize the underused degree of freedom of dynamic collimator angle trajectories to improve the quality of radiation therapy treatments. We anticipate that this will be particularly useful for brain metastases and breast tumors.

What We Offer

As a Master Thesis student at RaySearch, you will:

  • Get a solid introduction to our company, products, and ways of working.
  • Be part of a rapidly growing, global Swedish company with a chance of full-time employment after graduation.
  • Join 200 well-educated and dedicated engineers who enjoy knowledge sharing, problem-solving, and working in teams.
  • Work with cutting-edge technology for cancer treatment, contributing to improve cancer treatments for patients all over the world.
Our Office

Our office is located in Hagastaden, Stockholm's Life Science Hub, with a modern and creative work environment. We offer a private gym, yoga, and social activities such as table tennis, foosball, and regular after-work events. Our bistro serves a fantastic lunch buffet, and every day we provide morning fika, as well as afternoon snacks. Our rooftop terrace offers a stunning view of Stockholm.

Who Can Apply?

Master thesis students with experience or interest in mathematical optimization, programming, and software design. You are a master student within computer science, mathematics, engineering physics, or a similar area. You have a great interest in software development and contributing to our mission. Programming skills, relevant hobby projects, and summer/part-time jobs within software development are highly valued.



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