AS400 Senior Developer

Overview

On Site
Depends on Experience
Accepts corp to corp applications
Contract - Independent
Contract - W2

Skills

AS 400
RPG
IBM iseries
COBOL
SQL
DB2
batch jobs

Job Details

Position: AS400 Senior Developer
Location: Orlando, FL
Job Type: Long term Contract

Job Summary:

We are seeking a highly skilled AS400 Senior Developer to design, develop, and maintain applications on the IBM iSeries (AS400) platform. The ideal candidate will have extensive experience in RPG (RPGLE, CLLE), COBOL/400, SQL/400, and DB2, along with strong problem-solving skills and expertise in application modernization and integration.

Key Responsibilities:

  • Design, develop, test, and maintain AS400-based applications using RPGLE, CLLE, and COBOL/400.
  • Perform enhancements, bug fixes, and optimizations to improve system efficiency.
  • Work with DB2/400 databases, writing complex SQL queries, stored procedures, and performance tuning.
  • Analyze business requirements, provide technical solutions, and document system changes.
  • Perform code reviews, unit testing, and debugging to ensure high-quality deliverables.
  • Collaborate with cross-functional teams to integrate AS400 applications with external systems.
  • Provide production support, troubleshooting, and issue resolution for AS400 applications.
  • Implement AS400 modernization strategies, including migrating legacy applications to newer technologies.
  • Develop and maintain CL programs, batch jobs, and data transfer processes.
  • Ensure compliance with coding standards, best practices, and security guidelines.
  • Participate in system upgrades, migrations, and performance optimization initiatives.
  • Document technical specifications, user guides, and operational procedures.

Required Skills & Qualifications:

  • 6+ years of experience in AS400/iSeries development.
  • Strong expertise in RPG (RPGLE, RPG/400), CLLE, and COBOL/400.
  • Proficiency in DB2/400, SQL/400, and data modeling.
  • Hands-on experience with ILE concepts, service programs, and stored procedures.
  • Familiarity with job scheduling, message handling, and system performance tuning.
  • Experience in modernizing AS400 applications using APIs, web services, or other integration methods.
  • Strong analytical and problem-solving skills.
  • Excellent communication and documentation skills.

Preferred Qualifications:

  • Experience in AS400 security and user management.
  • Knowledge of integration with third-party tools and ERP systems.
  • Familiarity with change management tools like TurnOver or Aldon.
  • Exposure to cloud migration strategies for AS400 applications.
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