Software Developer (Java)

About Us

Portbase is the digital engine and the tip of the spear of maritime supply chain logistics in the Netherlands.
Every year, over 30,000 seagoing vessels and 100,000 inland vessels rely on our Port Community System (PCS). Behind the scenes, thousands of logistics parties — customs, terminals, shipping lines, and 6,000+ companies — interact seamlessly because of the systems we build.

This is mission-critical, high-volume, high-impact technology that keeps goods moving efficiently, sustainably, and securely through one of the world’s busiest logistics hubs.

If you want to work on systems where every minute counts and where your code directly shapes the future of European trade, Portbase is where you make that impact.

What you’ll do in Team Hinterland

Team Hinterland serves more than 1,500 customers across road transport, inland shipping, and rail. You’ll work closely with a Business Manager, Product Owner, Business Analyst, Tech Lead, and other talented Software Engineers to build and evolve the services that connect inland logistics with the port.

You will:

• Work on event-driven, cloud-native software that handles large volumes of real-time logistics data

• Help design and develop APIs that are critical to the national supply chain

• Release improvements frequently and monitor the behavior of production systems

• Collaborate in refinement, pair programming, and continuous improvement

• Contribute to systems that are essential for the reliability of European transport

A Day in the Life

• Start your morning by checking in with the team and focusing on your development tasks

• Develop features in Java within our event-driven architecture

• Deploy and test your work in cloud environments (AWS)

• Collaborate with colleagues in refinement sessions and reviews

• Support Customer Service with technical insights when needed

• Release changes to production and monitor high-traffic behavior

• Enjoy a daily team walk along the Maas or lunch in the city

• End the day knowing your work keeps the supply chain running smoothly

Core Qualifications

• Bachelor’s or Master’s level of thinking and 3+ years of professional Java development experience

• Hands-on experience with Event-Driven Architecture (Flux experience is a plus; AxonIQ or Akka welcome)

• Web development experience, with Angular knowledge or willingness to learn

• Interest in Maritime Logistics / Supply Chain (domain experience is a plus)

Technical Skills

• Strong understanding of Domain-Driven Design (DDD) and modern open-source frameworks

• Experience with cloud technologies, preferably AWS

• Familiarity with TDD, unit testing, and CI/CD pipelines

• Knowledge of API design and testing practices

• Experience with monitoring/logging tools (Sentry, New Relic, CloudWatch, OpenSearch) is a plus

• Experience with high-traffic or mission-critical systems is an advantage

Ways of Working

• An Agile mindset: collaborative, flexible, and eager to learn

• A hands-on approach and a proactive attitude toward improving systems and processes

What we offer

• Hybrid working options from a state-of-the-art office next to Blaak Station and the Markthal

• Extensive growth and development opportunities (Portbase Academy, knowledge sessions, performance development)

• A culture centered around teamwork, innovation, and responsibility

• 26 vacation days, with options to buy more, plus diversity hours

• Excellent secondary benefits, holiday allowance, and a 13th month

• The opportunity to make a visible impact in a logistics chain that powers European trade

Make an impact where technology meets global logistics

If you’re ready to build high-volume, high-impact systems that keep the Dutch and European logistics chain moving, we’d love to hear from you.

Apply now and help us make hinterland transport smarter, faster, and more efficient.