Java Developer

Job description

Contract: the position is open for freelance contracts in The Hague (NL)

For a short project at one of European Agencies premises in The Hague in The Netherlands, Trasys International is looking for a Java Developer Consultant. 

Our client is developing several business critical applications using a service-oriented architecture based on Java, JavaScript, Microsoft SQL Server and ActiveMQ technology.


As Java Developer Consultant, your main responsibilities will include:

  • Taking the lead in the analysis, design and actual development (programming) of the solution, including prototyping, based on the existing solution requirements specifications and high level technical architecture, using amongst others several Java frameworks (like Spring, Springboot, JPA etc.), Javascript technologies (like Vue.js, Angular.js, Typescript etc.), Microsoft SQL Server and Active-MQ;
  • Implementing unit tests for the developed components;
  • Contributing to the improvement of the development and build process.


  • You have a degree in Information Technology or equivalent by experience;
  • You have at least 7 years of experience in Software development;
  • You have at least 5 years of experience with development Java and JEE (JMS, XML, JPA, Webservices, JDBC);
  • You have at least 2 years of experience with JavaScript frameworks development;
  • You have advanced experience with JavaScript frameworks development;
  • You have knowledge of Java development, SQL, TFS or other ALM and Continuous Integration tools;
  • Knowledge of Docker technology is consider a plus;
  • Knowledge of Javascript SPA frameworks like AngularJS, VueJS or similar is desirable;
  • Knowledge of search engines such as Elastic Search and knowledge of messaging frameworks such as Active-MQ (A-MQ) is a plus;
  • Knowledge of Red Hat Enterprise Linux (or equivalent like Fedora or CentOS);
  • You are able to participate in multi-lingual meetings with strong IT content;
  • You are fluent in English.