crigroup Brussels, Belgium - Remote Full-time 2024-07-09

CV Submission until 10.07.2024

Service delivery: Far – Site 

VASS, in partnership with the European Commission, is currently seeking an Back End Developer ( Java) to work from the European Commission remotely,within the EU.



  • Provide expert advice and assistance, architectural considerations, applicable standards, solution patterns and best practices in J2EE, web services and SSL/TLS technologies 
  • Provide expert advice on confidentiality, integrity, authorisation, authentication, availability 
  • Assist the team to test and conduct periodic vulnerability and security risk assessments 
  • Development of Java applications with focus on maintaining a high level of unit tests coverage • Implementation of security and data protection related changes 
  • Design and develop APIs 
  • Design and creation of scalable software, building reusable code for future use 
  • Compile and analyze data, processes, and code to troubleshoot problems and identify improvements 
  • Testing and bug-fixing 
  • Write technical documentation 
  • Performing different PoCs


  • Bachelor’s degree in computer science or simiral field
  • Ability to understand, speak and write ENGLISH and FRENCH (C1 level)
  • Proficiency in Java, J2EE, Spring, Spring boot frameworks
  • Good knowledge in GIT, Maven, Bamboo, Nexus, Crucible, Jenkins and SonarQube 
  • Good knowledge of the Java platform: garbage collection strategies, memory spaces, class loaders, serialization, multi-threading, syntax and semantics of the Java language, APIs of the Java Development Kit 
  • Good knowledge of databases, directories and transactions: Oracle, SQL, LDAP 
  • Good knowledge of message format standards: XML, XSD, XPATH, WSDL, JSON 
  • Good knowledge of operations including networking, hardware and operating systems: TCP/IP, Linux, databases, directories, shell scripts, virtualisation, load balancers, reverse proxies 
  • Good knowledge of Eclipse and IntelliJ 
  • Good experience in security: HTTPS, TLS, OWASP, Content Security Policy, Web Services (SOAP and REST), authentication and authorization protocols (OAuth, Open ID Connect) is a plus
  • Experience in JIRA, Confluence 
  • Experience in ServiceNow platform



VASS ( is a leading digital solutions group of companies headquartered in Madrid, Spain, present in 26 countries in Europe, the Americas and Asia with more than 4,700 professionals

VASS helps large companies in their digital transformation process, developing and executing the most innovative and scalable projects, from strategy to operations.

All our growth comes from our talented people, passion for innovation, and a constant search for improvement, always the VASS way: “Complex made simple”.