Java Developer

Job description

Trasys International offers IT Consulting jobs at the European Institutions and International Organizations.

For our customer, a European institution based in in the Netherlands (Noord-Holland), we are looking for a Java Developer with a focus on database and web application development.

The person who will fill in the position will need to work inside a team composed of different profiles, with an internal development team and also with business user groups, so we need a good communicator/negotiator. The main related tasks to this position are the following:

  • Develop software with technologies: Spring, SpringBoot, SpringData, SpringMvc, SpringSecurity, Hibernate, Java, SQL using an AWS environment
  • Develop according to the SOLID principles ( and OOO Patterns
  • Develop with unit testing philosophy
  • Performs code reviews in constructive and active manner.
  • Can develop in in Clean Architecture / Hexagonal architecture / Domain Driven Development
  • Work within a team of developers and have a constructive attitude in terms of contributing to the team spirit , philosophy and culture.
  • Analysis of the integration of different information systems
  • Data analysis and data modelling.
  • Production of software architecture documents
  • Participation in technical working groups, progress meetings and meetings with the users
  • Assistance in the testing, the technical documentation, the deployment, the evaluation and the reporting


  • You hold a Master's degree in a relevant field;
  • You have at least 7 years of experience in similar tasks;
  • You have minimum 5-years experience developing and maintaining Java database web applications;
  • You have good knowledge of MVC and architectural patterns in the domains of data management and modeling;
  • You have good knowledge of Java (JDK8 and higher);
  • You have good knowledge of JSP/servlet development;
  • You have good knowledge of database design, development and optimisation;
  • You have familiarity with RESTful Web Services, JAXB and XML DOM;
  • You have an experience with OracleDB and MySQL;
  • You have an experience with WebLogic Server and Tomcat;
  • You have an experience developing with the Eclipse IDE;
  • You have an experience of build and team development environments, including Ant, SVN, Github and Atlassian tools, including Maven and JIRA;
  • You are solutions oriented i.e. focussed on delivering the needed solutions using the existing technology stack;
  • You are adaptable e.g. ability to work independently or as part of a team;
  • You have good interpersonal skills. Good interpersonal skills.
  • Ability to write/speak/understand English (Level C min.). 

Nationality and Security Clearance

As a Personal Security Clearance of level "EU SECRET/SECRET EU" might be requested for this profile, only candidates with a valid EU citizenship will be taken into consideration.

About us

We are TRASYS International, NRB Group, an ICT company with over 30 years of a successful track record working with European Institutions and Agencies, offering IT consulting, solutions and services. Our Mission is to help our clients keep up with the challenges of digital transformation by providing the right talent at the right time for the right job. To this end, we are constantly looking for talented professionals who are interested in working on challenging international projects and able to deliver high-quality results within multicultural environments. Our services include (but are not limited to) modernisation solutions, digital workspaces, cloud technologies and IT security. Our Headquarters are in Brussels and we have active accounts and offices across Europe (i.e. Luxembourg, Amsterdam, Athens, Stockholm, Geneva).