Summary
John Collazos is a Senior PL/SQL Developer with 12 years of experience specializing in Oracle database optimization, PL/SQL development, and BI/ETL tooling across Windows and Linux environments. He combines hands-on database administration and query tuning (TOAD) with practical experience in Oracle Forms/Reports, OWB, BI Publisher and BI tools, plus scripting in Python, Java and C#. Previously he supported SOX and COBIT audits, led control assessments and used ACL/ERA to detect irregularities that uncovered fraud in banking environments. Known for applying UML to software architecture, he also brings experience building CRM and regulatory information systems and optimizing large enterprise applications like HRS. Based in Pennsylvania, he pairs a fast learning curve and teamwork skills with a background in systems and computer engineering, making him effective at turning audit requirements into robust, auditable data solutions. Notably, his career blends deep technical tuning skills with practical audit-domain insight—helpful for high-compliance industries.
11 years of coding experience
1 year of employment as a software developer
Systems and Computer Engineering, Systems and Computer Engineering at Pontificia Universidad Javeriana
Spanish, English