HoYung Park

Senior Programmer Analyst with over 33 years of experience in information technology, handling large and small implementation projects. Highlights include managing cross functional teams, managing ERP install, projects for several applications-latest few projects include new Warranty system, Account Management, System Development for Hyundai Iron-Steel Company.

Senior Programmer - MIDDLEBY Corp - USA

(2022-11 - 2026-01)

Professional Experience: ERP Specialist & System Engineer

• Comprehensive ERP Lifecycle Management: Managed and optimized 10+ core modules of the MAPICS ERP system, maintaining 99.9% system uptime and operational efficiency.
• System Enhancement & Customization: Successfully executed 50+ system enhancement projects for Infor Power-Link, including the development of bespoke System-Link programs that reduced manual processing time by 20%.
• Also make programs to download IFS and using FTP to send another systems.
• Infor Powerlink System Enhancement & Customization: Successfully developed and executed User-exits customize, Maintain Business Objects, Client-Link, System-Link, Customize View, Subset, Cards. Make green screen to Infor Powerlink. That reduced manual processing time by 50%.
• High-Performance RPGLE Development: Architected and deployed over 200+ robust RPGLE programs on the iSeries (AS/400) platform, ensuring high-speed data processing and stability.
• Strategic System Migration: Orchestrated the seamless conversion and integration of 5+ major 3rd-party applications into the iSeries environment with zero data loss.
• Enterprise System Interoperability: Engineered 15+ specialized interface programs to facilitate seamless real-time data synchronization between MAPICS and external platforms (MES, WMS, or Legacy systems).
• Scalable ERP Upgrades: Led 3+ major version upgrades of the MAPICS environment, improving system security and leveraging new enterprise features for over 100% concurrent users.
• User-Centric Solutions: Resolved an average of 100% technical requests per month, achieving a 95% internal user satisfaction rate through proactive system optimization.

Senior Programmer - E-Friending Company Korea - Korea

(2019-05 - 2021-02)

Full-Stack Web Development & System Architecture

• Integrated ERP Solution Development: Architected and deployed a custom Full-Stack ERP system integrating CRM and Financial Management modules using PHP, MySQL, and HTML5.
• Streamlined customer data tracking and financial reporting processes, improving data retrieval speed by 35% through optimized MySQL indexing and query performance.
• Developed a secure financial dashboard with real-time analytics, enabling stakeholders to monitor cash flow and revenue KPIs with 100% accuracy.
• Custom LMS (Learning Management System) Engineering: Designed and implemented a scalable LMS platform to automate complex scheduling.
• Engineered an intelligent scheduling algorithm that reduced timetable conflicts by 90% and decreased administrative.
• Integrated user-friendly portals for both instructors and learners, enhancing engagement and facilitating seamless communication/attendance tracking.
• WordPress Ecosystem Optimization: Leveraged WordPress as a core framework to develop highly customized, responsive web applications with bespoke plugin integration and theme development.
• Ensured cross-browser compatibility and mobile-first responsiveness, leading to a 100% increase in user accessibility and platform retention.

Senior Programmer - GENERAC Power System Inc. - Waukesha WI, USA

(1999-05 - 2016-01)

Senior Programmer / Project Lead

• Strategic ERP Migration & Environment Consolidation: Program Lead for the enterprise-wide migration from Infor XA6 to XA9, successfully consolidating two disparate production environments into a single unified infrastructure.
• Directed the full software development lifecycle (SDLC), including custom code verification, comprehensive test plan creation, and auditing of Integrator Objects (templates, views, sorts, and subsets).
• Managed consultant workloads and daily deliverables, ensuring project milestones were met on time and within scope.
• System Integration & CRM Conversion: Facilitated the seamless transition of Account Management data during the SAP CRM conversion process.
• Designed and maintained critical Engineering Applications to automate the generation of Item Masters, Bills of Materials (BOM), and Routing records within XA.
• Advanced Application Development (RPG Free Format & SQL): Developed complex enterprise applications and interactive displays using RPG Free Format, modernizing legacy systems for better performance.
• Architected an Automated Warranty Management System that triggered proactive customer emails for service contract renewals, significantly increasing post-warranty service revenue.
• Built custom scheduling and dispatching applications, integrating data flows between Job Pack systems and XA VPi to generate real-time operational reports.
• Operational Excellence & Business Intelligence: Managed daily iSeries (AS/400) operations, PTF installations, and system performance monitoring for dual production environments.
• Deployed an automated alerting and reporting system (similar to Infor ION) using SQL-based email automation for warranty alerts and Sales Rep performance tracking.
• Developed an extensive library of high-level analytical reports using QM Query and SQL for sales forecasting, backlog tracking, and On-Time Delivery (OTD) metrics.
• Supply Chain & Financial Systems Support: Played a key role in implementing and maintaining the Warehouse Management System (WMS) for the Whitewater, WI distribution center.
• Provided Tier-3 support for the IFM (Infor Financial Management) system and Paperless ERP modules, ensuring financial data integrity and streamlined shop-floor operations.

Programmer - HYUNDAI Group - Korea

(1993-09 - 1999-05)

System Analyst & Programmer, Information System Department 3

• Enterprise ERP Implementation & Localization (PRISM): Conducted in-depth Business Process Re-engineering (BPR) by analyzing end-user job-flows to align with the PRISM ERP (Flow-Shop) package.
• Designed comprehensive system work-flows specifically for the Heavy Industrial ROLL division, ensuring digital transformation of complex manufacturing processes.
• Acted as a Technical Liaison between the PRISM headquarters (USA) and the local team, managing global communications and technical specifications via international channels.
• System Architecture & Customization: Developed and integrated User-Exits to bridge the functional gaps between the standard PRISM package and specific business requirements of Hyundai Steel.
• Developed numerous high-priority enterprise applications and interactive UI displays using RPG Free Format and SQL.
• Managed quality assurance by testing and validating code delivered by 3rd-party vendors, ensuring adherence to corporate development standards.
• Smart Factory & System Integration (POP): Developed the Point of Production (POP) system on the RS/6000 (AIX) platform, establishing a robust real-time interface with the iSeries (AS/400) host.
• Spearheaded a Special Task Force (TFT) to support critical development phases and ensure high-availability of production data across the shop floor.
• Data Engineering & Reporting: Leveraged QM Query and SQL to architect a centralized reporting system, providing actionable insights into production metrics and inventory management.

Programmer - Korean Army Data Center - Korea

(1989-04 - 1991-05)

Logistics System Engineer

• Strategic Logistics Workflow Analysis: Conducted comprehensive analysis of end-to-end logistics and supply chain flows to identify bottlenecks and optimize distribution efficiency.
• Translated complex physical logistics requirements into technical system specifications, ensuring seamless data synchronization across the warehouse management environment.
• Legacy System Modernization & Migration: Spearheaded the system conversion project, successfully migrating core legacy applications to Unix-based COBOL environments to enhance processing speed and system scalability.
• Validated data integrity and application logic during the migration process, minimizing downtime and ensuring a stable transition between disparate operating systems.
• Core COBOL Application Engineering: Developed and optimized mission-critical Logistics Management programs using COBOL, maintaining high-volume transaction processing reliability.
• Enhanced system performance by refactoring legacy code and implementing efficient batch processing routines for inventory and shipping modules.

MASTER Degree - e-Learning - Korea Open University

Information Technology - National KumOh University

Information Technology - National Kumi Electronic Technical High School