AS400/RPG IV Developer

Adastra Resource Group; United States; Hybrid; USD 90,000 - 130,000; Full time

Job summary

Adastra Resource Group is seeking an experienced AS400/RPG IV Developer for a hybrid Full Time role in New Jersey. You will develop, maintain, and support IBM i applications, balancing legacy fixes with new development initiatives on a stable system.

Ideal candidates have 4+ years of AS400/IBM i development, strong RPG IV/RPGLE, DB2 for i, SQL, and CL/CLLE, plus production support and troubleshooting skills. Excellent analytical and communication abilities are essential.

Qualifications

• 4+ years of AS400/IBM i development experience.
• Strong RPG IV/RPGLE programming skills.
• Experience with DB2 for i and SQL, along with knowledge of CL/CLLE.
• Experience with production support and troubleshooting.
• Strong analytical and communication skills.
• Preferred: free-form RPG, embedded SQL, APIs, or RDi experience.

Responsibilities

• Develop, maintain, and enhance IBM i/AS400 applications using RPG IV/RPGLE.
• Work with DB2 for i, SQL, and CL/CLLE.
• Troubleshoot and resolve application and production issues.
• Analyze business requirements and develop effective technical solutions.
• Perform testing, debugging, and production implementations.
• Support application integrations, batch jobs, and reporting.
• Maintain technical documentation and follow development standards.

Skills

AS400/IBM i development

RPG IV/RPGLE

DB2 for i & SQL

CL/CLLE

Production support

Analytical

Communication

RDi

Job description

AS400/RPG IV Developer

Location: New Jersey

Employment Type: Full Time (Hybrid — 4 days in office, 1 day remote)

Why You'll Love This Opportunity

Join a team seeking an experienced AS400/RPG IV Developer to develop, maintain, and support applications on the IBM i platform. This role blends ongoing support of legacy applications with new development initiatives, giving you the chance to work across the full technical lifecycle on a stable, business-critical system.

What You'll Be Doing

• Develop, maintain, and enhance IBM i/AS400 applications using RPG IV/RPGLE
• Work with DB2 for i, SQL, and CL/CLLE
• Troubleshoot and resolve application and production issues
• Analyze business requirements and develop effective technical solutions
• Perform testing, debugging, and production implementations
• Support application integrations, batch jobs, and reporting
• Maintain technical documentation and follow development standards

What We're Looking For

• 4+ years of AS400/IBM i development experience
• Strong RPG IV/RPGLE programming skills
• Experience with DB2 for i and SQL, along with knowledge of CL/CLLE
• Experience with production support and troubleshooting
• Strong analytical and communication skills
• Preferred: free-form RPG, embedded SQL, APIs, or RDi experience

Why You'll Want This Role

This is an opportunity to work hands-on across legacy support and new development on the IBM i platform, collaborating closely with business analysts, QA, and technology teams in a role that values deep technical ownership.