Software Architect- Performance - nexuzhealth

Software & Analysis
Professional, Freelancer

To realise our ambitions, we are looking for a Performance Engineer. At nexuzhealth, we create high-performance and future-oriented platforms and ecosystems for the healthcare sector in which all parties involved in healthcare work together towards a healthier world. We help our customers with the implementation, optimization and further development of the clinical workstation (KWS), the fully integrated electronic patient record (EPD). However, Nexuzhealth wants to be more than just an EPD supplier for hospitals.  We have the ambition to support a community of users in their operation and cooperation. Not only for hospitals, but also for patients, GPs, home nursing, ... This way, we provide the necessary digital support for the 1st, 2nd and 3rd line of healthcare. As a Performance Engineer, you will play an important role in the further development of our nexuzhealth platform: the Mother Of All Patient Records (MOAPR) and help support us in our continued growth. At nexuzhealth, you can work in a no-nonsense environment where mutual respect, appreciation and innovation are self-evident. Are you the Performance Engineer who wants to help build the future of health care? Then nexuzhealth has a challenge for you.

  • You detect and report potential performance problems at the beginning of the development phase.
  • You are convinced of the benefits of the Design for Performance approach and you are able to propagate this and convince your colleagues.
  • You provide technical assistance and advice to ensure the smooth operation of the system in the development phase.
  • You design effective benchmark tests to check and automate the performance and stability of the system.
  • You ensure the non-functional requirements for performance. (CPU usage, latency, response times, ...)
  • You are part of the Architecture team and remain hands-on. You are also willing to carry out new benchmark tests yourself.
  • You provide an approach to validate Load, Scalability, Stability and Reliability standards.
  • You are fascinated in how things like the Java virtual machine work, or the compilation optimisation possibilities of Go(lang). 
  • You analyse benchmark test results, complex performance problems and provide appropriate solutions.
  • You work together with engineers and developers to make adjustments.
  • You create performance reports for review.
  • You are fluent in Dutch.

What you need to succeed:

  • You have extensive experience as a developer and/or software architect.
  • Preferably you have experience with software performance engineering and testing. Or you have a strong affinity for this.
  • You have development skills in Java and/or Go(lang).
  • Preferably you have knowledge of the performance characteristics of Cloud providers, such as GCP.
  • You also have experience with relational databases - Sybase, MySQL, SQL Server.
  • Preferably you also have experience with architecture (performance, reliability and scalability) and with the delivery of large business solutions (Enterprise level software).
  • You have strong analytical skills, both business and technical.
  • You have good skills to influence stakeholders.
  • You can work independently, but also feel at home in a team.

What are we offering:

  • We offer you an interesting job in a fast-growing company with growth opportunities. 
  • You will be part of a passionate and dynamic team.
  • You will receive an attractive salary in accordance with your experience.
  • You will enjoy extra-legal benefits (meal vouchers, hospitalisation and group insurance, company car with fuel card, mobile phone subscription, etc.).
  • Your workplace is Leuven (UZ-Leuven), Hasselt (Corda Campus) or Ghent, depending on your preference. Partially remote working is possible.

Aspire to more: our promise to you!

At Cegeka you get all the opportunities you need to develop further as a professional. Together we discover what you really want to do for our clients and colleagues. We would like to invite you to grow with us. In an unprecedented variety of challenging and meaningful IT projects. Make your mark on projects with interesting customers where we can make the difference. Aspire to more!


We are always working together here. Intensively, with lots of fun and commitment. It is a culture driven by family values: full of trust, people-oriented, open, loyal and respectful. We offer a lot of freedom and responsibility. We want you to be part of the next phase of a proud, successful, fast-growing, innovative, European IT company full of ambitions.

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