Julius Cesar Castro (Julz)

Associate Software Engineer / Developer (AS400)

Talent

Manila, Metro ManilaMember since June 1, 2026

RPGLE (Free & Fixed Format)Display Files (DSPF)SubfilesPhysical Files (PF)Logical Files (LF)Screen Design and Interactive ProgramsIBM i SQLStored ProceduresQSYS2 catalog viewsTransaction control (commit/rollback)REST API fundamentalsPostmanBasic API consumptionApplication maintenance and defect fixingDebugging and performance analysisSDLC and Agile deliveryMicrosoft OfficeProblem-solvingAnalytical skills

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RPGLE (Free & Fixed Format)Display Files (DSPF)SubfilesPhysical Files (PF)Logical Files (LF)

About

Developer with 2+ years of experience in IBM i (AS/400) application development, specializing in RPGLE, SQL, and legacy system modernization and support. Strong background in transaction processing, database design, and end-to-end application maintenance. Experienced in working within enterprise environments, collaborating with cross-functional teams, and supporting business-critical systems. Currently focused on strengthening skills in APIs and system integration.

Experience

Associate Software Engineer / Developer (AS400) - Accenture Philippines, Inc.

(2023-09)

Developed, enhanced, and maintained RPGLE programs supporting core business transactions.
Created and modified Display Files and Subfiles for interactive IBM i applications.
Designed and maintained Physical and Logical Files aligned with business requirements.
Implemented and optimized SQL queries and stored procedures for data retrieval and processing.
Utilized QSYS2 system views for monitoring, analysis, and troubleshooting.
Performed unit testing, defect analysis, and production support for critical applications.
Supported API testing and validation using Postman for system integrations.
Collaborated with functional analysts and senior developers to clarify requirements and deliver solutions on schedule.

Transaction Processing Associate / Data Analyst - Accenture Philippines, Inc.

(2016-11 - 2022-05)

Analyzed and processed insurance claims ensuring accuracy, compliance, and data integrity.
Handled written correspondence related to benefits, eligibility, pricing, and appeals.
Applied analytical skills to resolve complex transaction issues and exceptions.
Maintained high productivity and quality standards in a high-volume processing environment.

Email Support – Digital Team Member (Fixed-Term) - ProbeGroup Philippines, Inc.

(2022-10 - 2023-01)