Senior Oracle DB Developer

Médiane Système limited; Brussel Hoofdstad; Presencial; EUR 70.000 - 110.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Attractive salary package

Additional statutory leave days

Mobility package

DKV health insurance

Group insurance

Meal vouchers

Eco-vouchers

etc

Descripción de la vacante

Médiane Benelux is seeking a Senior Oracle DB Developer for a long-term program based in Brussels. You will design, implement and maintain robust data solutions across complex domains and contribute to performance optimisations.

Leverage 5+ years of Oracle/SQL/PLSQL experience with strong data modelling (ERD/3NF, Data Vault, Star Schema) in a collaborative Agile environment to deliver scalable databases and reliable deployments.

Formación

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

Responsabilidades

• 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.

Conocimientos

Oracle DB Development

SQL

PL/SQL

ERD

3NF modelling

Data Vault

Star Schema

Git

Jira

Scrum / Agile

Performance Tuning

Database Administration

Herramientas

Git

Jira

Descripción del empleo

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