iSeries Modernization Engineer: RPG/SQL/API & AI

Custom Business Solutions, Inc.; Bedford Park (IL); On-site; USD 90,000 - 110,000; Full time

Job summary

Custom Business Solutions, Inc. is seeking an experienced RPG developer to evolve and upgrade critical applications on our iSeries (AS/400) platform. You will drive modernization initiatives using SQL, APIs and web services, and AI-assisted development within Visual Studio Code.

The ideal candidate will have strong experience in RPG IV/ILE, RPG Free, embedded SQL in RPG, and CL, with a proven track record in full lifecycle delivery and collaboration across IT teams.

Qualifications

• Proven experience in full lifecycle delivery of complex systems, including requirements gathering, design, build, test, and deployment
• Strong knowledge of relevant development environments, protocols, and programming languages associated with the iSeries, including RPG IV/ILE and RPG Free, SQL including imbedded SQL in RPG, CL
• Experience with Visual Studio Code with IBM i related extensions a plus.
• Understanding of Property and Casualty (P&C) insurance principles and practices
• Bachelor's degree in computer science or a related field preferred
• Excellent problem-solving skills and attention to detail
• Ability to work collaboratively in a team environment and communicate effectively with stakeholders and IT team

Responsibilities

• Enhance and support core business applications in RPG IV/ILE and Free form
• Collaborate with cross-functional teams to gather and analyze requirements, creating functional specifications for applications
• Conduct code reviews, perform unit testing, and coordinate with IT team members on development and QA tasks
• Create technical design documentation for assigned projects
• Implement and maintain development standards and deployment processes and procedures
• Contribute to modernization efforts using SQL, APIs/web services, and AI (i.e., ChatGPT, Claude)
• Assist with IT Help Desk tickets for production issues with business users and IT team as needed for timely resolution
• Troubleshoot and resolve issues in existing applications to ensure optimal performance and reliability

Skills

RPG development

iSeries (AS/400)

SQL (embedded SQL)

APIs / web services

AI assisted development

Visual Studio Code

Education

Bachelor's degree in computer science or related field

Tools

IBM i extensions for Visual Studio Code

Job description

Custom Business Solutions, Inc. is seeking an experienced RPG developer to evolve and upgrade critical applications on our iSeries (AS/400) platform. You will drive modernization initiatives using SQL, APIs and web services, and AI-assisted development within Visual Studio Code.

The ideal candidate will have strong experience in RPG IV/ILE, RPG Free, embedded SQL in RPG, and CL, with a proven track record in full lifecycle delivery and collaboration across IT teams.