Remote Senior Database Engineer — EU Institutions Project

SEIDOR; Brussel Hoofdstad; Remote; EUR 120,000 - 150,000; Full time

Job summary

SEIDOR is seeking a Senior Database Engineer to join our team remotely. The role focuses on designing and maintaining data models, building scalable database schemas, and ensuring performance, security, and reliability across complex ecosystems.

You will translate business requirements into robust database designs, implement advanced SQL solutions, and lead data migration, backup, and recovery efforts while documenting everything for stakeholders.

Qualifications

• 15+ years in data modeling and schema design.
• 15+ years with relational databases (PostgreSQL, Oracle).
• 15+ years developing SQL solutions (PL/SQL, PL/pgSQL).
• 10+ years with database testing frameworks.
• 10+ years tuning database performance (queries, indexing).
• 5+ years with NoSQL databases (MongoDB, DynamoDB, Cassandra, Cosmos DB).
• 5+ years in backup, recovery, HA, replication, clustering.
• 10 years writing structured technical documents.
• 10 years delivering technical presentations.
• 10 years adopting evolving database tech into architectures.

Responsibilities

• Design and maintain data models across conceptual, logical, and physical layers.
• Develop scalable, secure, and high-performance database schemas.
• Implement and optimize DB solutions using DDL, SQL, SPs, functions, and triggers.
• Translate business needs into effective database designs.
• Develop, maintain, and integrate database components.
• Prototype and validate DB solutions with stakeholders.
• Test DB components for performance, integrity, and reliability.
• Monitor, troubleshoot, and optimize DB performance.
• Implement DB security and access controls.
• Manage data migration, backup, and recovery strategies.
• Support deployment, configuration, and ongoing maintenance.
• Produce and maintain technical documentation.

Skills

Data modeling

Relational databases

Advanced SQL

Database performance tuning

Database testing

NoSQL databases

Backup & recovery

Security & access controls

Documentation & presentations

Data migration

Education

Bachelor's or Master's degree

Tools

Oracle SQL Developer

SQL Workbench

Job description

SEIDOR is seeking a Senior Database Engineer to join our team remotely. The role focuses on designing and maintaining data models, building scalable database schemas, and ensuring performance, security, and reliability across complex ecosystems.

You will translate business requirements into robust database designs, implement advanced SQL solutions, and lead data migration, backup, and recovery efforts while documenting everything for stakeholders.