Médiane Système
Senior Java Developer
Médiane SystèmeBelgium2 days ago
Full-timeInformation Technology, Engineering
Médiane Benelux: Career Booster!

Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specializing in software, electronics, and cybersecurity across key sectors such as Railways, Automotive, Energy, Medical, Aerospace, Space, Telecoms, Industry, and Defense.

🌐 What We Offer

  • IT consulting and strategy
  • Digital transformation and IoT solutions
  • Project management and process optimization

🔧 As specialists in electronics, development, and embedded systems design, we operate from sensor to cloud.

Why choose Médiane Benelux?

  • Human-sized company: Promotes teamwork and collaboration in a dynamic and stimulating environment
  • Sharp technical expertise and tailored solutions for each sector
  • Talent support: Personalized follow-up, continuous training, and skill development for our employees
  • Custom solutions tailored to the specific needs of each client
  • Culture of innovation: Participation in innovative and varied projects
  • Ecovadis Gold certification: Commitment to equality, well-being, and responsibility
  • Human values: Commitment, Respect, Trust, Listening

"Happy at Work" and "Happy Clients" labels by Choose my Company: A fulfilling work environment and optimal client satisfaction

POSTE / MISSIONS

We are seeking an experienced Senior Java Developer to join a team responsible for designing, developing, and maintaining critical applications supporting digital transformation and operational excellence in the railway ICT sector.

The consultant will contribute to high-impact projects within a dynamic ICT environment, working in an Agile/Scrum team of software engineers and analysts. All developments must adhere to the highest standards of security, quality, and reliability.

The Ideal Candidate Will Demonstrate

Understanding of the sector's IT landscape, strategic challenges, and operational environment.

Ability to integrate seamlessly into teams while embodying core professional values: benevolence, courage, positivity, and reliability.

Professional excellence and behavioral fit, including clear communication, strong presentation skills, respect for management, and responsible commitment for the project duration.

Key Responsibilities

Design, develop, and maintain Java applications.

Ensure high-quality code through rigorous testing and documentation.

Apply Test-Driven Development (TDD) principles to maintain software reliability.

Participate in Agile/Scrum ceremonies and contribute to continuous improvement initiatives.

Implement CI/CD pipelines and DevOps practices for enhanced automation and deployment.

Troubleshoot and resolve complex bugs and performance issues.

Maintain a secure, maintainable, and well-structured codebase compliant with internal standards.

PROFIL RECHERCHÉ

Required Technical Skills

Java (v8 or higher) – minimum 10 years' experience

Java development & bug fixing – minimum 15 years' experience

Spring Framework – minimum 15 years' experience

Test-Driven Development (JUnit, Mockito, etc.) – minimum 10 years' experience

CI/CD tools (Git, Jenkins, Artifactory) – minimum 10 years' experience

DevOps principles – minimum 10 years' experience

Hibernate & JPA – minimum 15 years' experience

SQL databases (PostgreSQL, MySQL, Oracle) – minimum 15 years' experience

Languages

Fluent in French or Dutch – level C1

Good knowledge of the second national language – level B1

Soft Skills

Strong team spirit and excellent communication skills

Proactive, solution-oriented mindset

Autonomy, precision, and reliability in execution

Ability to document and comply with quality and security norms (ISO 9001, ISO 27001, EN 50.128)

Continuous learning attitude and adaptability to new technologies

AVANTAGES

Attractive salary package, additional legal days off, mobility package (transport or car), DKV, Group Insurance, Meal vouchers, Eco vouchers, Training opportunities.

Key Skills

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