Know-How & Impact on Ivan Luminaria

Data Warehouse Architect

Tue, 10 Mar 2026 00:00:00 +0000

Professional Profile #

Data Warehouse Architect and IT professional with nearly 30 years of experience in designing, implementing, and managing complex, high-performing DWH solutions in Oracle and PostgreSQL environments. Expert in multidimensional data modeling methodologies (Kimball, Inmon) and in optimizing ETL/ELT processes and SQL queries on datasets ranging from hundreds of millions to billions of rows. Proven ability to lead end-to-end DWH projects — from requirements analysis to production deployment — ensuring data integrity, quality, and availability to support business decisions. Technical leadership and problem-solving mindset in international and full-remote contexts.

Oracle DBA & Performance Tuning Expert

Tue, 10 Mar 2026 00:00:00 +0000

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Highly skilled Senior Oracle DBA and Performance Tuning Expert with nearly 30 years of specialized experience in the administration, optimization, and management of complex, mission-critical Oracle databases, including Exadata, RAC, and Oracle Cloud (OCI, Autonomous Database) environments. Deep expertise in performance analysis (AWR, ADDM, ASH), tuning complex SQL queries, instance optimization, and resolving performance issues. Foundational knowledge of practices related to backup & recovery (RMAN), security (TDE), installation, patching, migrations, and storage management (ASM), with performance tuning remaining the primary and in-depth area of expertise, crucial for the integrity, performance, and contribution to the high availability of Oracle systems in demanding, international corporate settings.

Oracle PL/SQL Developer

Tue, 10 Mar 2026 00:00:00 +0000

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Senior Oracle PL/SQL Developer with nearly 30 years of experience in designing, developing, testing, and optimizing robust and efficient PL/SQL code for data-intensive applications and Data Warehouse systems. Deep expertise in creating complex packages, procedures, functions, triggers, and types, with a constant focus on performance, maintainability, and code quality. Expert in optimizing complex SQL queries and managing large volumes of data. Skilled in translating business requirements into high-performing and scalable application logic within the Oracle database. Consolidated background also as an Oracle DBA and DWH Architect, providing a comprehensive view of the data lifecycle.

Project Manager

Tue, 10 Mar 2026 00:00:00 +0000

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Professional Profile #

Project Manager with nearly 30 years of IT experience and a solid technical background in Data Warehouse and Oracle environments. Over 10 projects delivered with a strong on-time track record, managing teams of 3-7 people in multicultural, remote settings on projects valued in the €100K-€500K range. Hands-on expertise in planning, risk management, resource coordination and stakeholder engagement — developed through years of leading development, release and maintenance activities for clients in Banking, Telco, Insurance and Public Administration. Agile (Scrum) methodologies applied in day-to-day project management, backed by certified training. Deep technical background (DWH architecture, Oracle DBA, PL/SQL, ETL/ELT) that enables effective communication with development teams, realistic feasibility assessments and early identification of technical risks.