JSAN Consulting Group
Senior Java Developer / Senior Software Engineer - Java Development.
JSAN Consulting GroupLuxembourg2 hours ago
Full-timeEngineering, Information Technology

Job Details:

  • Role title: Software Engineer - Java-based development
  • Job Location: Luxembourg
  • Duration of the Contract: PERMANENT CONTRACT 
  • Languages: Mandatory French & English (fluent).


Job Description:

Summary

We are seeking a highly skilled Software Engineer with expertise in Java-based development, secure coding practices, and modern DevOps tools. The role requires hands-on development, integration with CI/CD pipelines, and strong knowledge in security frameworks. Candidates should bring at least 5 to 10 years of experience in enterprise software engineering, including work on complex systems with security and compliance requirements.


Missions of the Role

  • Development of software solutions (Java, Spring Boot, Angular, etc.)
  • Source code management and version control
  • Integration with automated delivery pipelines (Jenkins, Maven, Git)
  • Translate business needs into technical specifications
  • Design and development of unit, module, and integration tests
  • Troubleshooting and analysis of software issues, third-party libraries, and applications
  • Maintenance of software through its life cycle
  • Documentation of code, processes, and manuals
  • Task reporting to the Project Manager
  • Level 3 Helpdesk support, problem management
  • Application performance tuning and optimization
  • Contribution to architecture, design reviews, and change management processes
  • Adherence to secure coding standards (OWASP, GDPR, SSL, HSM)
  • Code reviews, vulnerability patching, and penetration test support


Role Responsibilities

  • Prevent and reduce technical debt
  • Contribute to enhancements of CI/CD pipelines
  • Software architecture design, including relational database modeling and fine-tuning (Oracle DB, SQL)
  • Collaborate with senior engineers on service dependencies
  • Present technical proposals in Architecture forums
  • Draft and review technical chapters of project charters
  • Mentor and coach junior engineers
  • Act as a technical reference for the Service Manager


Technical Competencies:

  • Java, Spring Boot, Hibernate
  • SQL, Oracle DB
  • Angular, JSP, Javascript
  • Jenkins, Maven, Git, Jira, Agile
  • Docker (containerization)
  • Secure coding practices (OWASP, GDPR, SSL, HSM, code review, pen testing, vulnerability patching)

Key Skills

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