4000092767 - WMS ABAP Developer - Remote

In this position, the ABAP Developer will be responsible for performing detailed Technical Design, coding, testing, deploying, and documenting for the Service Part Warehouse Automation Integration project

• Contract Period: 1/2/2026 – 4/30/2026
• Location: Remote (US Pacific Time preferred)
• Working Hours: Monday through Friday, US Pacific Time Zone (09:00 ~ 18:00)

• Gathering & designing of technical requirements and specifications for the automatic warehouse integration
• Analyzing/Implementing technical requirements for integrating SAP WMS and Warehouse Execution System (WES)
• Design and develop SAP GUI-based applications to support SAP WMS operations
• Implement and maintain RFCs for internal SAP WMS functional modules
• Conduct unit testing, debugging, and performance tuning of WMS-related programs
• Development and Testing of assigned project using necessary programming languages
• Training and handover to the system operation team

• Bachelor’s degree in computer science, engineering, or a related field
• 12+ years of SAP ABAP development experience in an enterprise environment

• Extensive knowledge and experience in SAP ABAP development within the SAP WMS environment
• Proficient in creating and managing RFCs for internal SAP module communication
• Must have advanced skills in SAP GUI-based screen programming and ALV reporting
• Extensive hands-on experience with ALE/EDI for cross-application IDoc transfer and system integration
• Proficient in interfacing standard and custom User Exits and BAPIs across distributed systems
• Extensive experience in SAPscript and Smart Forms development, including shipping labels, picking/packing slips, and delivery invoices
• Solid understanding of SAP LE/WM business processes, including warehouse operations and logistics execution
• Ability to collaborate with cross-functional teams (WES, WCS, RCS etc.) and participate in technical design reviews and implementation planning
• Experience with OData-based API integration, especially in connecting SAP WMS with external systems (e.g., WES) via IDoc/RFC and XML
• Bilingual (Korean/English) is not mandatory, but preferred