Experienced Dynamics 365 F&O Developer C# Developer

Paul Marvin Lumen

Software Developer / Engineer

Phone: +639********* Email: ***********@*******.*** Location: Danao City, Cebu, Philippines

PROFESSIONAL SUMMARY

Experienced Software Developer with 8+ years of expertise in ERP systems, particularly with C#,

.NET, and Microsoft Dynamics 365 Finance and Operations. Proven track record in delivering custom software solutions, troubleshooting system errors, and enhancing client satisfaction. Adept at full-cycle SDLC, with a focus on system upgrades, integration, and web service deployment. Known for strong problem-solving skills and an ability to manage complex projects with cross-functional teams.

TECHNICAL EXPERTISE

• Languages: C# (8/10), SQL (9/10), VBScript (8/10), HTML (7/10), JavaScript (5/10), Python

• Frameworks: .NET (8/10), ASP.NET (5/10), Prefect, DevExpress, jQuery, Linq

• ERP Systems: Microsoft Dynamics 365 Finance and Operations (7/10), X++

• Tools/Platforms: SSRS (8/10), Git/TFS, Azure, LCS, CRM, DevOps, Google App Script, Vault Application Framework (VAF)

PROFESSIONAL EXPERIENCE

Software Engineer

Central BPO Distributing Inc. (Assemi Group Inc.) July 2021 – Present

• Prefect Workflow Migration

o Migrated cron jobs to Prefect workflows, enhancing monitoring capabilities and operational efficiency.

o Automated task monitoring and reporting, reducing manual interventions by 30%.

• Web Service to API Conversion

o Converted legacy web services into modern APIs, improving security, performance, and maintainability.

o Enhanced system integrations, enabling seamless communication between Microsoft Dynamics 365 Finance and Operations and external websites.

• M-Files Enhancement with Vault Application Framework (VAF) o Developed and implemented new processes and logic for M-Files using Vault Application Framework (VAF).

o Streamlined document management workflows, reducing process complexity for end-users.

• ERP Maintenance and Enhancements

o Maintained and improved Microsoft Dynamics 365 Finance and Operations, ensuring seamless functionality and enhanced user satisfaction. o Managed system upgrades, deployed packages across Dev/UAT/Production environments, and resolved client-reported issues. o Performed debugging and troubleshooting, reducing deployment-related issues by 25%.

• Data Extraction Automation

o Developed Python scripts to automate data scraping of deed information from Fresno websites.

o Improved data workflows and reduced manual efforts by 40%. Software Engineer

Cody Web Development Inc. March 2019 – June 2021

• Maintained and upgraded ZOZO Back Office software, catering to the evolving needs of Japan’s largest fashion e-commerce platform.

• Delivered new software features, conducted debugging, and resolved client-raised bugs, ensuring smooth software operations.

Project Involvement:

• ZOZOTOWN Software Migration: Led the implementation of new features and resolved critical issues for a high-profile e-commerce platform. Programmer/Software Developer

NPax Cebu Corporation February 2016 – March 2019

• Designed and implemented ERP systems using C#, SQL Server, and SSRS, integrating DevExpress components to streamline business operations.

• Enhanced ERP software by conducting testing, debugging, and issue resolution, ensuring alignment with evolving client needs.

• Developed technical specifications and performed User Acceptance Testing (UAT) to validate updates, achieving client sign-off on new features.

• Improved database design and software documentation, ensuring data integrity and streamlined client onboarding through updated manuals and procedures. Project Involvements:

• ERP (Procurement & Inventory) System for EHS Lense Philippines Inc.: o Implemented Auto-Email Notifications to improve communication and streamline procurement processes.

o Developed services for automatic data updates, reducing manual interventions and increasing system efficiency.

o Authored and updated software procedures and end-user manuals to ensure smooth operation.

• Accounting System for EHS Lense Philippines Inc.: o Created modules for uploading data into the accounting system, improving financial data integration.

o Updated end-user manuals and technical documentation to reflect new accounting system features.

• Customer Support for Multiple Clients:

o Aikawa Philippines Inc.:

Implemented significant changes, including Auto-Log Off, File Attachment functionality, and Online Manual Documentation, improving user experience and system efficiency.

Provided bug fixes and introduced client-specific features. o MIDP Corporation:

Delivered critical bug fixes and ongoing support for their ERP system. o HPOI Corporation:

Implemented Uploading of Journal and Payroll Vouchers, streamlining financial processes.

Resolved system bugs and provided key updates.

• Production System for Isuzu Autoparts Manufacturing Corp.: o Created reports for importing data from running machines, generating Daily Production Reports and Weekly NG Reports.

o Deployed the Production System, ensuring the client could track and optimize manufacturing output.

Product/Process Engineer

Cebu MinebeaMitsumi, Inc. April 2012 – February 2016

• Led process improvement initiatives that enhanced departmental effectiveness by 56%.

• Conducted FMEA for new product models, driving quality improvements across the production line.

• Reprogrammed machine capabilities to optimize production output and enhance quality. EDUCATION

B.S. in Computer Engineering, Cum Laude

University of San Jose - Recoletos 2007 – 2012

AWARDS

• Customer Relations Award – NPax Philippines Inc. (2017, 2018) ADDITIONAL SKILLS

• Web Development: HTML, JavaScript

• Cloud Platforms: Azure, LCS

• CRM Systems: Dynamics CRM

• Development Practices: DevOps, Git/TFS

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