Java Developer with ExtJS knowledge

Job description

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

For a project at the European Commission premises in Luxembourg, Trasys International is looking for a Java Developer . The consultant will provide expert advice and assistance in a specific area of ICT infrastructure technology.


Nature of the tasks:

  • Performing a detailed functional requirements analysis containing the detailed workload estimated for concerned systems;
  • Performing/reviewing the architecture and the design of the information systems;
  • Proposing, agreeing and designing of application mockups based on an identified set of business processes and technical risks recorded during the detailed analysis;
  • Producing specific portions of code, test and documentation, in order to improve existing code or to meet functional and/or non-functional requirements;
  • Writing business application documentation to provide accurate and clear timely reference material to end users of application usage;
  • Serves as liaison between business and specific IT departments;
  • Helps defining and implementing interfaces to and from different IT systems and other IT systems;
  • Helps defining and implementing interfaces to and from different IT systems and users;
  • Coordinate the delivery of new systems and extensions of existing systems capabilities.


  • You have minimum 10 years experience in Oracle, SQL, PL/SQL
  • You have at least 10 years of experience in JAVA, Java Script, Spring, ExtJS, Hibernate;
You have also a :
  • Very good knowledge and experience of client server and web based applications architecture;
  • Very good knowledge and experience of Spring and Spring Boot; Spring Security would be an asset;
  • Very good knowledge of Oracle databases and Weblogic servers (from a development perspective);
  • Very good knowledge of object oriented programming;
  • Good knowledge and experience of system prototyping and design (Functional; performances and security aspects);
  • Good knowledge and experience of JUnit;
  • Knowledge of JIRA and other Atlassian tools;
  • Ability to work independently in a multicultural environment, in strict connection with the IT staff and the users;
  • Knowledge of Euratom Treaty is an asset;
  • Knowledge and experience in Business Objects are assets;
  • Knowledge of R.U.P. project management methodology and U.M.L are assets;
  • Knowledge in ExtJS (6.0) is an asset;
  • Knowledge in Jasper Report is an asset;
  • Knowledge in Freemarker is an asset;
  • Knowledge in production of documents that support the development lifecycle;
  • Fluent in English and French.


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).