Senior Full-stack Engineer International Projects
EU
October 15, 2026 at 12:27 PM
✨ AI summary
Location
- Brussels, Belgium
Programming Languages
- Java
- HTML
- JavaScript
- CSS
Frameworks
- Apache CXF
- Apache Tomcat
- JUnit
- Liquibase
- Node.js
Databases
- MySQL
Experience Level
- Senior
Hello everyone! 👋
We are currently looking for a Senior Full-stack Software Engineer (Java) to join our team.
🤗 About us
We are an IT Consulting Group providing innovative digital solutions across Europe.
Learn more: www.altiacompany.com/en
🚀 The project
Join an international project involved in full-stack development, API integration, secure data exchange and interoperability solutions, including AS4/eDelivery messaging, XML validation and ASiC containers. The role also includes plugin development, conformance testing, technical documentation and CI/CD automation.
📌 Requirements
Experience with ActiveMQ, Oracle WebLogic, Docker, GitLab, SonarQube and CI/CD pipelines.
Additional expertise in AS4 and XSD/Schematron validation.
Certifications in Ethical Hacking/Penetration Testing, Ethical Hacking/Offensive Security or TensorFlow (or equivalent).
⭐ What we offer
International and multicultural environment.
Opportunity to work on a major European Commission project.
Primarily remote working model (far-site).
Challenging projects involving secure interoperability and advanced Java technologies.
Career growth opportunities.
This job offer has been drafted with impartiality and non-discrimination on the basis of gender, race, ideology or any other grounds in mind. In particular, it complies with current regulations on gender equality between women and men (Royal Decree-Law 6/2019).
We are currently looking for a Senior Full-stack Software Engineer (Java) to join our team.
🤗 About us
We are an IT Consulting Group providing innovative digital solutions across Europe.
Learn more: www.altiacompany.com/en
🚀 The project
Join an international project involved in full-stack development, API integration, secure data exchange and interoperability solutions, including AS4/eDelivery messaging, XML validation and ASiC containers. The role also includes plugin development, conformance testing, technical documentation and CI/CD automation.
📌 Requirements
- University degree equivalent to EQF Level 6 and a minimum of 17 years of professional IT experience.
- English B2 or higher, both written and spoken.
- French A2 or higher.
- 20+ years of experience with Java SE/Java EE, HTML, JavaScript and CSS.
- 10+ years of experience with JUnit.
- 5+ years of experience with MySQL and XML validation technologies.
- 3+ years of experience with Apache CXF, Apache Tomcat, Node.js, Liquibase and HP Fortify.
- 3+ years of experience with Schematron, OASIS ebMS3, DSS, ASiC Containers, eDelivery/Domibus and four-corner architecture.
- Strong knowledge of XML/XSD/Schematron validation and secure electronic data exchange.
- Knowledge of AS4 messaging protocols, API development and interoperability architectures.
- Experience with plugin development, ASiC container creation, reading and validation, and conformance testing tools.
- TOGAF 9 Foundation certification or equivalent.
- API Design & Development certification/training or equivalent.
Experience with ActiveMQ, Oracle WebLogic, Docker, GitLab, SonarQube and CI/CD pipelines.
Additional expertise in AS4 and XSD/Schematron validation.
Certifications in Ethical Hacking/Penetration Testing, Ethical Hacking/Offensive Security or TensorFlow (or equivalent).
⭐ What we offer
International and multicultural environment.
Opportunity to work on a major European Commission project.
Primarily remote working model (far-site).
Challenging projects involving secure interoperability and advanced Java technologies.
Career growth opportunities.
This job offer has been drafted with impartiality and non-discrimination on the basis of gender, race, ideology or any other grounds in mind. In particular, it complies with current regulations on gender equality between women and men (Royal Decree-Law 6/2019).