Senior Oracle DB Developer

Médiane Système; Brussel Hoofdstad; Sur place; EUR 70 000 - 100 000; Plein temps

Avantages offerts par ce poste

Salary package

Leave days

Mobility package

DKV health insurance

Group insurance

Meal vouchers

Eco-vouchers

Résumé du poste

Médiane Benelux is seeking a Senior Oracle DB Developer for a long-term assignment in Brussels. You will work on new developments and on corrective and evolutive maintenance in a full-time role.

The role requires strong Oracle DB, SQL/PLSQL, data modelling, and experience with Data Vault and Star Schema architectures, plus Agile practices and Jira. You will contribute to performance tuning and deployment management.

Qualifications

• Minimum 5+ years Oracle DB development experience.
• Minimum 5+ years SQL and PL/SQL development experience.
• Strong relational data modelling skills (ERD, 3NF).
• Experience designing Data Vault and Star Schema architectures.
• Daily practice with Git as Source Code Manager.
• Practical experience with Scrum/Agile ways of working.

Responsabilités

• Design and validate relational data models in 3NF based on functional analysis.
• Design and validate data models using Data Vault, Star Schema, or similar approaches.
• Implement data models and business logic in SQL and PL/SQL on Oracle databases.
• Ensure code quality and proper promotion management across environments (dev, test, acc, prod).
• Analyse and optimise database and application performance (SQL and PL/SQL tuning).
• Manage and validate deployment scripts across environments.
• Contribute to peer reviews and maintain up-to-date technical documentation.

Connaissances

Oracle DB Development

SQL & PL/SQL

Data Modelling

Data Vault / Star Schema

GIT

Agile / Scrum

Performance Tuning

Jira

Security / Tablespaces

Outils

Jira

Git

Description du poste

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

Job Description

Our client is seeking a Senior Oracle DB Developer for a long-term program. You will work on new developments as well as corrective and evolutive maintenance in a full-time role based in Brussels.

Role & Responsibilities

• Design and validate relational data models in 3NF based on functional analysis
• Design and validate data models using Data Vault, Star Schema, or similar approaches
• Implement data models and business logic in SQL and PL/SQL on Oracle databases
• Ensure code quality and proper promotion management across environments (dev, test, acc, prod)
• Analyse and optimise database and application performance (SQL and PL/SQL tuning)
• Manage and validate deployment scripts across environments
• Contribute to peer reviews and maintain up-to-date technical documentation

Profile / Requirements

Technical Skills

• Minimum 5 Years Oracle DB Development Experience
• Minimum 5 years SQL and PL/SQL development experience
• Strong relational data modelling skills (ERD, 3NF)
• Experience designing Data Vault and Star Schema architectures
• Daily practice with GIT as Source Code Manager
• Practical experience with Scrum / Agile ways of working
• SQL and PL/SQL performance optimisation
• Task and issue tracking with Jira
• General database administration (security, tablespaces, schemas)

Languages

• Native level in Dutch or French (C2)
• Good level in the other national language (B1)
• Good working level of English (B2)

Soft Skills

• Understanding of IT landscape and business stakes in large industrial/railway environments
• Ability to integrate smoothly into existing teams
• Strong presentation skills and professional attitude
• Clear, efficient communication with stakeholders and management
• Structured, disciplined, long‑term commitment

Benefits

• Attractive salary package, additional statutory leave days, mobility package (car or public transport subscription), DKV health insurance, group insurance, meal vouchers, eco‑vouchers, etc