Paulene Marquez
Oracle Integration Cloud (OIC) Developer
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About
Oracle Integration Cloud (OIC) Developer with 2+ years of hands-on experience designing and managing inbound and outbound Accounts Payable (AP) and enterprise integrations between Oracle Cloud applications and enterprise systems. Experienced across the full integration lifecycle, development, SIT, and UAT—leading client and stakeholder meetings to define scope and expectations. Skilled in OIC adapters, REST/SOAP APIs, XML/JSON/XSLT transformation, Oracle Fusion, and Oracle R12 environments, with additional ERP administration experience in Acumatica.
Combines technical delivery with academic instruction experience in computer engineering. Currently pursuing an MS in Computer Engineering (Applied Cybersecurity and Digital Forensics).
Experience
Associate Software Engineer — OIC / Oracle Integration Developer at Accenture Philippines (2023-08 – 2025-07)
- Designed, developed, and maintained inbound and outbound Accounts Payable (AP) integrations between Oracle Cloud applications and enterprise systems using Oracle Integration Cloud (OIC), OIC adapters, and REST/SOAP APIs.
- Led development across the full integration lifecycle—Development, System Integration Testing (SIT), and User Acceptance Testing (UAT)—ensuring integrations met functional and technical requirements before go-live.
- Facilitated client and stakeholder meetings to gather requirements and set clear expectations on integration scope, timelines, and deliverables.
- Troubleshot integration failures and data mapping issues across XML/JSON/XSLT transformations, collaborating with business and technical teams to resolve production issues.
- Partnered with cross-functional business and technical stakeholders to optimize integration strategy and improve system reliability.
Part-Time Instructor of Bachelor of Science in Computer Engineering at Polytechnic University of the Philippines (2022-10 – Present)
- Design and deliver undergraduate courses in computer engineering, assessing student performance, and building an engaging learning environment.
- Serve as the adviser of the BSCpE student organization, providing leadership, mentorship, and guidance on academic and professional development initiatives.
System Administrator at A1+ Multinational Packaging Inc. (2022-10 – 2023-07)
- Administered the company's Acumatica ERP system, managing user access, configurations, and day-to-day system health.
- Managed and maintained cloud, domain, and hosting services, including provisioning, subscription/license renewals, and vendor coordination for support.
- Assisted the IT Manager with system setup, user access management, and infrastructure upgrade recommendations.
Technical Support Representative at Dynamic Outsource Solutions, Inc. (2022-05 – 2022-05)
- Provided technical support and troubleshooting for software and hardware issues, guiding users through resolution and ensuring accurate vote-counting during elections.
Main Developer and Team Leader at Akuni Projects – PUPPQ (2021-08 – 2021-09)
- Led development of beginner-friendly Raspberry Pi kits, including video and PDF tutorials covering sensors, LEDs, and buttons, to introduce students to embedded electronics.
Education
Master of Science in Computer Engineering — Applied Cybersecurity and Digital Forensics – Polytechnic University of the Philippines Graduate School (2022-10)
Master of Science in Computer Engineering — Applied Cybersecurity and Digital Forensics – Polytechnic University of the Philippines – Paranaque Campus

