Software engineer (java/kotlin/scala)

Salary: €45.000 - 55.000 per year

• • 3-6 years’ experience in JVM development
• • Bachelor’s degree in Computer Science (or related field)
• • Based in Europe, eligible to work in the EU
• • Passionate, pragmatic, and eager to grow

• • Develop custom software systems with a focus on systems integration, machine learning, big data initiatives, and robust backend solutions using the JVM platform (Java, Kotlin, Scala)
• • Collaborate as a self-managing team member in a flat hierarchy environment
• • Work across diverse projects in sectors such as finance, energy, automotive, insurance, and telecommunications
• • Engage in continuous learning through internal technical talks, conferences, and industry insights

• AI
• Big Data
• Backend
• Cloud
• Eclipse
• Embedded
• JVM
• Java
• Kotlin
• MacBook
• Machine Learning
• Scala

More:

Are you a self-managing software engineer who is passionate about building custom software systems? Do you thrive in a collaborative team environment and enjoy tackling challenging projects? We're looking for talented software engineers to join our growing team in Rotterdam!

About us:
We are a dynamic company made up of small, self-managing teams of engineers. With a flat hierarchy where even the CEO codes, everyone contributes directly to technical work. We work on exciting projects, sometimes embedded within customer locations and sometimes from our own offices.

What you'll build:
You will play a key role in developing custom software systems with a focus on systems integration, machine learning, big data initiatives and robust backend solutions. Our technical core revolves around the JVM platform, utilising Java, Kotlin and Scala. Our diverse project portfolio spans various sectors, including finance, energy, automotive, insurance and telecommunications.

How we stay on top of things:
In a rapidly evolving technological landscape, staying ahead is crucial. We continuously learn through weekly internal technical talks, our annual internal conference, and insights brought back by our international conference speakers. Our commitment is to select the optimal tool for each customer's specific needs, without being constrained by rigid technological preferences.

Our commitment to the community:
We are deeply involved in the tech community. Our team includes international conference speakers, published authors, and active open-source contributors who are eager to show you the ropes. Beyond individual achievements, we are an Eclipse Foundation member, actively participate in the Software Defined Vehicle working group, sponsor conferences like Devoxx, maintain NLJUG membership, and host meetups in our office.

What we offer:
• Non-traditional, team-focused way of working
• A variety of projects and modern tech (JVM, AI, cloud, etc.) in different domains
• Skilled, supportive colleagues
• MacBook Pro and a great work environment
• NS business card for sustainable travel
• Competitive salary (€47–55K) based on experience and performance
• And more…

Learn more about Lunatech and our selection process: check out our recruitment page.

last updated 41 week of 2025