

Senior Java Developer
Groenlo, Nederland
Full-time
Salary indication: € 4.000 - € 6.000
What are you going to do?
As a Senior Java Developer within the Back Office Tech Team of Nedap in Healthcare, you work on the technical foundation of the largest product in the Ons® Healthcare landscape: Ons Administration. Your team supports the three domain teams that build this product on a daily basis. The mission? Continuously improving the application platform to structurally increase developer happiness across all teams.
In recent years, we have upgraded Java from version 8 to 21, modernized our application framework, and migrated our CI/CD pipeline from Jenkins to GitHub Actions. We are also working on major architectural revisions to make Ons Administration future-proof.
The biggest challenge in the coming year? The transition from a single-tenant, bare-metal environment to a multi-tenant, high-availability container platform. From session management to disk storage and background jobs—everything is being rethought. All of this while our software is used daily by thousands of healthcare professionals across the Netherlands.
In recent years, we have upgraded Java from version 8 to 21, modernized our application framework, and migrated our CI/CD pipeline from Jenkins to GitHub Actions. We are also working on major architectural revisions to make Ons Administration future-proof.
The biggest challenge in the coming year? The transition from a single-tenant, bare-metal environment to a multi-tenant, high-availability container platform. From session management to disk storage and background jobs—everything is being rethought. All of this while our software is used daily by thousands of healthcare professionals across the Netherlands.
Your responsibilities
You design and clearly substantiate solutions for complex technical challenges.
Your team
As a Senior Java Developer, you work in the Back Office Tech Team: a small, experienced team with a strong focus on technology. You are given the space and trust to make decisions independently, while also working closely with colleagues to arrive at the best solutions. The team works partly remote and partly from the office, you decide what balance works best for you.

What's in it for you?
Our offer
As a Senior Java Developer at Nedap, you make a valuable contribution to our mission: helping people become happier and more successful in their professional lives. The salary range for this role is between € 4.000 and € 6.000 gross per month based on full-time employment (38 hours) and depends on relevant knowledge and experience.
In addition to your salary, you’ll receive a thirteenth month’s pay, a solid pension plan, and profit sharing with the opportunity to become a Nedap shareholder.
At Nedap, everything revolves around trust and autonomy. That’s why, along with your colleagues, you decide on your own working hours and vacation days to maintain a healthy work-life balance.
We also place great importance on both personal and professional growth. You’ll receive a thorough introduction and are encouraged to keep developing yourself throughout your career.
Curious about all our terms of employment? Read more here.
In addition to your salary, you’ll receive a thirteenth month’s pay, a solid pension plan, and profit sharing with the opportunity to become a Nedap shareholder.
At Nedap, everything revolves around trust and autonomy. That’s why, along with your colleagues, you decide on your own working hours and vacation days to maintain a healthy work-life balance.
We also place great importance on both personal and professional growth. You’ll receive a thorough introduction and are encouraged to keep developing yourself throughout your career.
Curious about all our terms of employment? Read more here.
Required skills
As a Senior Java Developer, you play a key role in modernizing our back office and help ensure that healthcare professionals are optimally supported. You are energized by technical depth and enjoy building sustainable, long-term solutions.
In addition, you recognize yourself in the following:
In addition, you recognize yourself in the following:
- Experience: At least 5 years of relevant experience as a Java Developer.
- Knowledge: In-depth knowledge of Jakarta EE and the latest Java versions.
- Tooling: Experience with Java, MySQL, WildFly, JSF, Vue, JUnit, Cucumber, Playwright, REST, jQuery, GitHub, or similar tools.
- Ownership: You are independent and curious—you like to dig deep to get to the core of things.
- Collaboration: You are a strong sparring partner at senior level and enjoy thinking along about long-term solutions.
- Structure: You work in a structured way and prevent disruption to production.
- Language: You are fluent in both Dutch and English.

The application process
Our application process is clear and personal. We take the time to get to know you and to explore whether there’s a good fit on both sides.
Get in touch!
Interested in one of our vacancies, or curious about what it’s like to work at Nedap? Feel free to get in touch. We’re happy to help and answer your questions.