Senior iSeries / AS400 RPG Developer
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Job Description
Senior RPG Developer maintaining IBM i/AS400 Order Management applications for Workstate. Supporting CW Direct, production troubleshooting, and retail e-commerce operations remotely.
Responsibilities:
- Develop, maintain, troubleshoot, and enhance applications running within an IBM iSeries / AS400 environment
- Support the CW Direct platform, an iSeries-based Order Management System
- Investigate production issues with technical and business stakeholders
- Implement enhancements and maintain existing functionality
- Support reliable Order Management operations in a fast-paced retail and e-commerce environment
- Become productive quickly within an established legacy application environment
Requirements:
- Significant professional software development experience, including senior-level experience working with IBM iSeries / AS400 environments
- Strong professional experience developing and supporting applications on IBM iSeries / AS400 platforms
- Advanced proficiency with RPG programming, including RPG IV and/or RPGLE
- Experience analyzing, maintaining, debugging, and enhancing existing RPG applications
- Strong experience with DB2 for i, including SQL, database files, queries, and data management
- Experience working with legacy enterprise applications where documentation may be limited
- Ability to understand unfamiliar application code, business logic, data structures, and system dependencies with minimal ramp-up time
- Experience troubleshooting production issues and performing root-cause analysis
- Familiarity with Order Management Systems or similar transaction-oriented enterprise applications
- Understanding of retail, e-commerce, fulfillment, inventory, or order-processing workflows
- Ability to work independently while collaborating effectively with technical and business stakeholders
- Experience working within established production environments where reliability and operational continuity are critical
- Familiarity with source control, software release processes, and structured development practices
- Ability to communicate technical issues and proposed solutions clearly to both technical and non-technical stakeholders
- B2-level English competency or higher, with the ability to communicate effectively in professional settings, both verbally and in writing
- Direct experience with the CW Direct Order Management platform
- Experience supporting retail or e-commerce Order Management Systems
- Experience with high-volume order processing, fulfillment, inventory, or warehouse-related systems
- Familiarity with IBM i administration and operational tooling
- Experience modernizing, integrating with, or extending legacy IBM i applications
- Experience integrating iSeries applications with external systems, APIs, or modern application platforms
- Experience working in short-term consulting engagements where rapid onboarding and independent problem solving are important
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