COBOL AS/400 Developer | San Antonio TX; Onsite
Job in
San Antonio, Bexar County, Texas, 78208, USA
Listed on 2026-08-30
Listing for:
Tech Mirrors
Contract
position Listed on 2026-08-30
Job specializations:
-
Software Development
Software Engineer, Backend Developer, SQL Developer, Database Engineering
Job Description & How to Apply Below
Role:
COBOL AS/400 Developer
Location:
San Antonio TX (Onsite) Duration:
Long Term Contract Descriptions:
- Develop, maintain, and support business-critical COBOL and RPG-based applications, adding strong legacy support to the team’s TECHNICAL ARSENAL.
- Design and maintain DB2/400 databases.
- Create Physical Files, Logical Files, and indexes.
- Optimize SQL queries and improve application performance.
- Perform data migration and database tuning activities
- Analyze business requirements and prepare technical design documents.
- Design, code, test, and deploy COBOL/AS400 applications.
- Develop new programs and enhance existing applications
- Deep understanding of DB2 databases; creating and maintaining data models, and troubleshooting/tuning advanced SQL performance issues on the iSeries platform.
- Extensive experience in analyzing, debugging, and resolving complex batch processing and interactive application issues.
- Collaborate with cross-functional and modernization teams to integrate AS/400 applications with modern distributed systems.
- Experience in continuous integration/deployment processes specific to the IBM i environment.
- Knowledge of Agile principles with experience in Scrum or Kanban.
- Interface AS/400 applications with distributed systems.
- Develop APIs and web service integrations.
” COBOL/400 & ILE COBOL development expertise , AS/400, DB2, DB2/400, Application Debugging & Performance Tuning RPG/RPGLE, SQL, IBM iSeries”
Skills:AS400 Stack~System I – COBOL
400#J-18808-Ljbffr
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