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Junior Software Engineer (Java/Kotlin/Scala)

Posted 10 Sep 2025
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Work experience
0 to 3 years
Full-time / part-time
Full-time
Job function
Salary
€38,000 - €46,000 per year
Degree level
Required languages
English (Fluent)
Dutch (Fluent)

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Join Our Rotterdam Team: Self-Managing Junior Software Engineers (Java/Kotlin/Scala) Wanted to Build Advanced Custom Systems!

Job description

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 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: the selection of the optimal tool for each customer's specific needs, with no constraints imposed 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. They would be delighted to show you the ropes and help you become one yourself.

Beyond individual achievements, we are an Eclipse Foundation member and participate actively in the Software Defined Vehicle working group, sponsor of conferences like Devoxx, do maintain NLJUG membership, and host meetups in our office.

What we offer

  • 🔄 Non-traditional, team-focused way of working
  • 📈 All opportunities to grow as a Software Engineer
  • 📡 Variety of projects & modern tech (JVM, AI, cloud, etc.) in different domains
  • 🤝 Skilled, supportive colleagues
  • 💻 Macbook Pro & great work environment
  • 🚉 NS business card for sustainable travel
  • 💰 Competitive salary (€38–46K) based on experience and performance.
  • And more…

Job requirements

What we’re looking for:

  • 0-3 years’ experience in JVM development
  • Bachelor’s degree in Computer Science (or related field)
  • Living in the Netherlands
  • Passionate, pragmatic, and eager to grow

As a team of adept self-managing programmers, working with a very experienced commercial team, Lunatech has a successful track record of implementing medium-sized to large systems. Our skills are best applied in designing and building back office systems whereby a web interface is just one of many external user- interfaces.
We excel at going into an organisation, analysing their requirements, and…


As a team of adept self-managing programmers, working with a very experienced commercial team, Lunatech has a successful track record of implementing medium-sized to large systems. Our skills are best applied in designing and building back office systems whereby a web interface is just one of many external user- interfaces.

We excel at going into an organisation, analysing their requirements, and then - together with the customer - designing and building a system to meet their needs.

We work to an interactive development process. We build applications in a number of short iterations. This provides great visibility to the customer and it greatly improves the end result because the product and expectations can be adjusted along the way. With a proud record of providing professional IT services, joint ventures and investments in other peoples ideas, you’ll find us highly technical, very creative, and flexible.

IT
Rotterdam
125 employees