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I’m an IT professional with over 20 years of experience in both technical and functional roles, blending software development, business analysis, and testing expertise. With a techno-functional mindset, I’ve contributed to a variety of projects across telecom, banking, insurance, and manufacturing, bridging the gap between business requirements and technical implementation. My technical background includes AS400 (RPG400, RPGLE, CL), SAP ABAP, and SQL, with a strong focus on backend testing, data validation, and ensuring the seamless integration of business processes with technology. I bring end-to-end project lifecycle experience, from planning and analysis to development, testing, and support, and am skilled in both Agile and Waterfall methodologies. I am also proficient in tools like Jira and AccelQ, leveraging both my technical knowledge and functional insight to deliver optimal solutions. Quick to learn, solution-focused, and a team player, I bring a strong work ethic and a positive attitude to every project.…I’m an IT professional with over 20 years of experience in both technical and functional roles, blending software development, business analysis, and testing expertise. With a techno-functional mindset, I’ve contributed to a variety of projects across telecom, banking, insurance, and manufacturing, bridging the gap between business requirements and technical implementation. My technical background includes AS400 (RPG400, RPGLE, CL), SAP ABAP, and SQL, with a strong focus on backend testing, data validation, and ensuring the seamless integration of business processes with technology. I bring end-to-end project lifecycle experience, from planning and analysis to development, testing, and support, and am skilled in both Agile and Waterfall methodologies. I am also proficient in tools like Jira and AccelQ, leveraging both my technical knowledge and functional insight to deliver optimal solutions. Quick to learn, solution-focused, and a team player, I bring a strong work ethic and a positive attitude to every project.

Celeste Magtalas

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I’m an IT professional with over 20 years of experience in both technical and functional roles, blending software development, business analysis, and testing expertise. With a techno-functional mindset, I’ve contributed to a variety of projects across telecom, banking, insurance, and manufacturing, bridging the gap between business requirements and technical implementation. My technical background includes AS400 (RPG400, RPGLE, CL), SAP ABAP, and SQL, with a strong focus on backend testing, data validation, and ensuring the seamless integration of business processes with technology. I bring end-to-end project lifecycle experience, from planning and analysis to development, testing, and support, and am skilled in both Agile and Waterfall methodologies. I am also proficient in tools like Jira and AccelQ, leveraging both my technical knowledge and functional insight to deliver optimal solutions. Quick to learn, solution-focused, and a team player, I bring a strong work ethic and a positive attitude to every project.…I’m an IT professional with over 20 years of experience in both technical and functional roles, blending software development, business analysis, and testing expertise. With a techno-functional mindset, I’ve contributed to a variety of projects across telecom, banking, insurance, and manufacturing, bridging the gap between business requirements and technical implementation. My technical background includes AS400 (RPG400, RPGLE, CL), SAP ABAP, and SQL, with a strong focus on backend testing, data validation, and ensuring the seamless integration of business processes with technology. I bring end-to-end project lifecycle experience, from planning and analysis to development, testing, and support, and am skilled in both Agile and Waterfall methodologies. I am also proficient in tools like Jira and AccelQ, leveraging both my technical knowledge and functional insight to deliver optimal solutions. Quick to learn, solution-focused, and a team player, I bring a strong work ethic and a positive attitude to every project.

Available to hire

I’m an IT professional with over 20 years of experience in both technical and functional roles, blending software development, business analysis, and testing expertise. With a techno-functional mindset, I’ve contributed to a variety of projects across telecom, banking, insurance, and manufacturing, bridging the gap between business requirements and technical implementation. My technical background includes AS400 (RPG400, RPGLE, CL), SAP ABAP, and SQL, with a strong focus on backend testing, data validation, and ensuring the seamless integration of business processes with technology.

I bring end-to-end project lifecycle experience, from planning and analysis to development, testing, and support, and am skilled in both Agile and Waterfall methodologies. I am also proficient in tools like Jira and AccelQ, leveraging both my technical knowledge and functional insight to deliver optimal solutions. Quick to learn, solution-focused, and a team player, I bring a strong work ethic and a positive attitude to every project.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Beginner

Language

English

Advanced

Work Experience

Software Test Engineer at Amdocs Philippines/ Procom Consulting, Inc.

February 1, 2023 - July 31, 2025

Conducted end-to-end testing of break/fix and enhancement tasks for the DPI application in AS400-RPG environments. Read and reviewed RPG400 code to align implementation with business requirements, providing feedback for optimization and bug fixes. Executed manual testing, defect validation, and regression testing for bi-monthly and production releases to ensure smooth deployments. Collaborated with developers and cross-functional teams during testing, aligned test scenarios with business needs, and actively participated in Agile ceremonies. Documented detailed test cases and maintained test records, focusing on business-driven scenarios and seamless integration of processes with technology.

Business Analyst at Whitehall Consulting

October 1, 2022 - February 1, 2023

Collected and analyzed business requirements for the eCebuana Mobile App. Created detailed user stories and functional specifications for development. Facilitated discussions between product, development, and QA teams.

Business Analyst / Tester at Innovative Solutions Inc.

November 1, 2021 - September 1, 2022

Defined system requirements to automate accounting and finance processes. Conducted process gap analyses to improve operational efficiency. Worked with developers to ensure accurate system implementation.

Test Manager at Tech Mahindra

September 1, 2018 - June 1, 2019

Managed E2E testing for mobile application integration with the portal. Handled test estimation, planning, and strategy as part of TIP. Supervised SAT, ISAT, and UAT execution and obtained user sign-offs. Monitored test progress and addressed escalated issues. Prepared daily test reports and evaluated team performance.

Business Analyst / Test Manager at We Support Inc.

August 1, 2014 - September 1, 2018

Oversaw SAT and UAT for SAP HANA DB and SAP ARIBA projects. Created master test plans and aligned testing schedules with project milestones. Led a team of QA testers and analysts, reviewed test coverage and defects. Maintained stakeholder communication and ensured quality assurance across cycles.

AS400-RPG System Analyst / Developer at Smart Telecom (Digitel)

August 1, 2014 - May 1, 2015

Gathered report requirements from product owners and business users. Developed and maintained report extraction programs using AS400 RPG and CL. Handled multiple small-scale projects and provided timelines. Provided technical support and addressed user queries regarding data extraction.

AS400-RPG System Analyst / Developer at APAR Technologies Pte Ltd – Singapore

April 1, 2013 - December 1, 2013

Supported Midas DB3 for Hong Kong and Singapore banking operations. Developed system enhancements including Funds Transfer and Standing Data modules. Implemented automation for SWIFT message processing.

SAP ABAP Developer at Logica Philippines Inc.

September 1, 2008 - April 1, 2013

Developed custom ABAP reports (ALV, Dialogs, Smartforms). Managed SAP ECC configuration, PT translations, and composite roles. Participated in system upgrades and performed regression and functional testing for FI and SD modules. Created technical specs from functional documents and handled coding to deployment.

AS400 RPG Analyst / Developer at Michelin Philippines

April 1, 2006 - August 1, 2008

Developed and maintained system modules for purchasing, logistics, and finance. Provided bug fixes and enhancements based on user feedback. Delivered technical documentation and production-ready code.

System Generator Analyst / Developer / QA at IBM Solution Delivery/ RCG IT

January 1, 1998 - March 31, 2006

Developed and maintained telecom billing system (ICMS) using RPG on AS400. Created Electronic Data Interface (EDI) modules for Walgreens' vendor portal. Enhanced MidasPlus banking modules for loans, dealing, and standing data. Supported UAT, provided defect resolutions, and coordinated with end-users.

AS400 RPG Developer / Business Analyst at Smart Telecom (Digitel)

August 1, 2014 - May 1, 2015

Gathered report requirements from product owners and business users; developed and maintained report extraction programs using AS400 RPG and CL; managed multiple small-scale projects and provided timelines; delivered technical support for data extraction.

System Generator Analyst / Developer / QA at IBM Solution Delivery/ RCG IT / System Generator

January 1, 1998 - March 1, 2006

Developed and maintained telecom billing system (ICMS) using RPG on AS400; created EDI modules for Walgreens' vendor portal; enhanced MidasPlus banking modules; supported UAT, provided defect resolutions, and coordinated with end-users.