C# Developer | RaySearch Laboratories – Fight cancer with code!


RaySearch is a technology company with a difference – their software is a vital weapon in the ongoing battle against cancer. They help saving lives through innovative software for radiation therapy, which is one of the most important forms of cancer treatment. Their success has led to rapid growth and they are now in need of more talented and motivated people to help pioneer the next frontier of medicine. Here you will get to face exciting challenges and contribute to something truly important. Ready to advance?

Essence of the role

RaySearch are creating several applications that supports radiation therapy of cancer, hence there are multiple different teams that would offer you a unique experience in terms of challenges and technologies. We will figure out which is the best fit for you based on your interests and experiences!

As a C# Developer at RaySearch you will get to build new functionality as well as improve on existing ones, to meet the specific needs of the clinical users worldwide. 

Who you are

We believe you are a hands-on system developer with great problem-solving skills and a meticulous and structured approach, who is passionate about sustainable software development and maintining great code quality and best practices.

In your everyday work, you continuously contribute to good overall software design with the goal of achieving a highly structured large scale software product and great features. You are always open to discuss overall design within your team and between teams and focused on finding the right solution for the problem at hand.

You have excellent analytic skills, identifying different components of problems, see the connections between them and understand the impact of various proposed solutions. You take responsibility and check that nothing is missed out or left to chance when implementing new functionality. You take pride in delivering code with superior quality. 


  • M.Sc. in Engineering Physics, Computer Science or equivalent academic degree 
  • Minimum three years of .NET development experience with complex products 
  • Highly skilled in C#.NET
  • Knowledge of domain-driven design


  • Experience of working in an agile environment
  • Experience from the MedTech-industry or other regulated industries
  • Experience of framework development of mission critical systems
  • Knowledge of event-sourcing and CQRS
  • Databases such as SQL Server
  • Front-end development with frameworks such as WPF and/or Web technologies such as TypeScript, Angular, etc.

Great place to work

In order to continue with their important mission – to improve cancer care across the world – it’s important for RaySearch that their employees have a positive working environment. Their HQ is located at Hagastaden in Stockholm’s Life Science Hub, in a newly constructed office with tastefully decorated workplaces and social spaces. Every day the bistro serves something to eat in the morning and in the afternoon, where private kitchen staff also prepares an amazing lunch spread with new themes every day.

In the fresh gym you can workout before work, on your way home or at lunch with your colleagues, or join in on regular sessions like yoga. On the top floor there’s a roof top terrace with 360 degrees view of the city, as well as an entire floor dedicated to social activities like a ping pong table, fussball, a grand piano, chess tournaments, game board nights and weekly after-work.

About RaySearch

RaySearch develops innovative software solutions to improve cancer care.
Over 2,600 clinics in more than 65 countries use RaySearch software to improve treatments and quality of life for patients. RaySearch was founded in 2000 and is listed on Nasdaq Stockholm. The headquarters is located in Stockholm, with subsidiaries in the US, Europe, Asia and Australia & New Zealand. Today they are more than 380 employees with a common vision of improving cancer care with innovative software. Their great staff is crucial for their success and they offer a fantastic working environment in modern offices, flexibility and good opportunities for development. RaySearch believe in equal opportunities, value diversity and work actively to prevent discrimination.

Om oss

Senterprise Sverige AB är ett ledande nischat IT-rekryteringsbolag med expertis inom rekrytering av erfarna systemutvecklare. Vi hjälper idag några av Sverige mest attraktiva arbetsgivare med IT-rekrytering, uthyrning av rekryteringskonsulter samt IT-konsulter.
Läs vidare på www.senterprise.se


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