Senior Java Software Engineer

Job Title: Senior Java Software Engineer

Location: Luxembourg (Onsite)

Job Type: Permanent/Contract

Job Description:

• 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 of security frameworks.
• Candidates should bring at least 5 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

Senior (+5 years) 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

Required Skills

• Bachelor’s degree in computer science or equivalent experience
• Languages: French & English (fluent). Any other language is an asset

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)

Soft Skills:

• Rigorous and methodical approach
• Strong analytical skills
• Team-oriented with the ability to work autonomously
• Strong documentation and reporting ability
• Proactive in identifying and resolving issues

Experience

• Minimum 10-15years of professional experience in software engineering with proven exposure to secure coding, enterprise applications, and modern DevOps practices.