Senior Oracle DB Developer
Job Description
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As a Senior Oracle DB Developer, you will work on challenging projects critical to the continuity and performance of a leading railway infrastructure operator. These projects involve consolidating and distributing information related to railway traffic management—covering pre\-processing, real\-time, post\-processing, and back\-office operations—to both external (railway companies, foreign infrastructure managers, European platforms) and internal stakeholders (real\-time schedule visualization, billing, energy consumption calculation, Big Data systems).
You will contribute to both new developments and maintenance (corrective and evolutionary) of existing applications. Agile software development, source control, continuous integration, and modern development hardware are central to the work environment.
Scope of Work
Design and validate 3NF data models based on functional analysis.
Design and validate data models using Data Vault, Star Schema, or other modeling approaches.
Implement data models and business logic using SQL and PL/SQL.
Ensure code quality and manage promotion across environments (dev, test, acc, prod).
Analyze and optimize application and database performance.
Lead a small team: delegate tasks, discuss approaches, and report progress to technical teams, project leader, and team leader.
Profile / Requirements
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Oracle DB Development: 10\+ years
Oracle 19C Development: 2\+ years
Relational Modeling (ERD, 3NF): 10\+ years
Database Architecture (Data Vault, Star Schema): 10\+ years
SQL \& PL/SQL Development: 10\+ years
GIT (Source Code Management): 5\+ years
Scrum/Agile Methodology: 5\+ years
SQL \& PL/SQL Query Optimization: 5\+ years
Jira Usage: 5\+ years
Peer Reviewing: 5\+ years
Solution Documentation: 5\+ years
Team Management (minimum 3 people): 5\+ years
Script Management across environments (dev, test, acc, prod): 5\+ years
Database Administration (security, tablespace, schema): 2\+ years
Languages: Dutch or French C2, second national language A2, English B2
Soft Skills
Knowledge of railway operations and IT domain; understanding of role challenges.
Ability to integrate into teams while demonstrating values: kindness, courage, positivity, reliability.
Professional attitude and respect for management.
Clear and effective communication skills.
Presentation skills.
Responsible engagement and commitment for the duration of the contract.
About us
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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
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
5 ans minimum
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