IBMi AS400/DBDeveloper
Job in
Springfield, Sangamon County, Illinois, 62777, USA
Listed on 2026-05-31
Listing for:
American Benefit Corporation
Full Time
position Listed on 2026-05-31
Job specializations:
-
Software Development
Backend Developer, Software Engineer, Cloud Engineer - Software
Job Description & How to Apply Below
Overview
We are hiring an IBM i (AS400) / DB2 Developer to support and enhance our core backend systems. This role focuses on RPG and CL development, DB2 for i data management, and integration with modern applications.
This role will work closely with our software engineering team (web, desktop, mobile apps and APIs) and play a key part in connecting legacy systems with newer technologies.
Responsibilities- Develop, maintain, and modify RPG programs
- Write, modify, and maintain CL programs for job control, automation, and batch processing
- Work with DB2 for i by writing, modifying, and optimizing SQL queries; maintain and update database objects (physical/logical files, tables, indexes); troubleshoot and debug issues across development, test, and production environments; and monitor and support batch jobs, job queues, and system processes
- Analyze existing applications and implement enhancements or fixes
- Support integration between IBM i systems and external platforms: ODBC connections, APIs and external applications (e.g., .NET systems); collaborate with software engineers to ensure reliable data flow between systems
- Assist in improving and modernizing existing applications and data access patterns
- Document system behavior, changes, and technical processes as needed
- Experience with:
RPG programming - CL (Control Language)
- DB2 for i
- Experience working on an IBM i (AS400) system
- Experience writing and troubleshooting SQL queries
- Strong debugging and problem-solving skills
- Ability to read, understand, and modify existing/legacy codebases
- Understanding of:
Batch processing
, Job scheduling and job queues
- Experience with embedded SQL in RPG
- Experience integrating IBM i systems with external applications:
ODBC / JDBC - APIs or service-based architectures
- Experience with DB2 performance tuning and query optimization
- Understanding of ILE concepts (modules, service programs)
- Exposure to system modernization efforts (e.g., improving legacy workflows, enabling external integrations)
- Familiarity with modern development environments or working alongside web/API teams
- Experience in financial, benefits, claims, or pension systems
- Experience supporting or improving data pipelines between systems
- Familiarity with .NET or modern backend environments
- Experience working in environments with both legacy and modern systems
- Someone who can take ownership of the IBM i / DB2 side of the system
- Comfortable working with both legacy code and evolving systems
- Able to collaborate effectively with engineers working on modern application stacks
- Strong attention to detail and ability to troubleshoot across systems
- Willingness to learn and adapt as systems evolve
- Chicago, IL/Greater Chicago Area, Onsite/Hybrid
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