-
JSAN Consulting Group

Senior Java Developer / Senior Software Engineer - Java Development.

JSAN Consulting Group
Luxembourg · Full-time · Mid-Senior

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

Ranked by relevance

spring boot oracle maven owasp java gdpr cicd ssl angular jenkins devops jira git
Login to Apply
Posted
Oct 07, 2025
Type
Full-time
Level
Mid-Senior
Location
Luxembourg

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Groupe SII
Related

Développeur .Net C#

2026-05-22

Full-time
Not Applicable
Luxembourg
IT Services
Engineering
View Job Details
STACKIT
Related

Fullstack Engineer (m/w/d) - Android & Kotlin

2026-05-22

Full-time
Not Applicable
Germany
IT Services
Engineering
View Job Details
JSAN Consulting Group
Related

Senior DevSecOps Engineer

2025-02-05

Contract
Mid-Senior
Sweden
IT Services
Engineering