Expert Oracle & SQL Database Developer | Schema Design & Performance Tuning
With 24+ years of experience in database engineering, I specialize in Oracle PL/SQL, PostgreSQL, and MySQL development. I design complex schemas, build and optimize procedures, packages, and triggers, and deliver high‑performance solutions for enterprise‑scale systems in billing, CRM, and financial domains. My work has included full database migrations, query optimization for millions of records, and partitioning strategies that ensure scalability and reliability.... Lee más