Senior RPG Developer

We are seeking a Senior RPG Developer to provide technical leadership and hands-on development for our IBM i (AS/400) based ERP platforms. This role is focused on modernizing legacy RPG applications using contemporary development practices, structured refactoring techniques, and AI-assisted development tools. The ideal candidate brings deep RPG expertise, mentors others, and helps drive long-term platform sustainability.

• Lead the design, development, and modernization of RPG ILE applications across our IBM i-based ERP platforms
• Refactor legacy fixed-format RPG into free-form, modular, and service-oriented code
• Use AI-assisted development tools to accelerate code comprehension, refactoring workflows, and documentation
• Establish, document, and champion development standards and best practices across the team
• Partner with business analysts and stakeholders to translate business needs into clean, effective technical solutions
• Design and support integrations, batch jobs, and ERP interfaces
• Perform advanced troubleshooting, root-cause analysis, and production support
• Create and maintain technical documentation that makes life easier for the entire team
• Mentor junior and mid-level developers sharing knowledge, building capability, and raising the bar for the team

Do you have experience in Team leadership?, Do you have a Bachelor's degree?, * 5+ years of RPG ILE development experience (free-form strongly preferred)

• Strong experience with CL, DDS, and DB2 for i
• Deep understanding of IBM i job processing and batch environments
• Proven experience modernizing or refactoring legacy systems
• Familiarity with Git or modern source control workflows
• Exposure to or hands-on experience with AI-assisted coding tools
• Strong technical leadership and mentoring abilities
• Clear communicator with both technical and non-technical audiences
• Analytical, detail-oriented problem solver who can balance legacy support with forward-looking modernization
• Bachelor's degree in Computer Science, Information Systems, or equivalent professional experience

Nice to Have:

• Experience with Infor Infinium
• Background in ERP integrations, EDI, or file-based interfaces
• Familiarity with web services, APIs, SQL-centric design, or service programs
• Experience supporting multi-site ERP environments

We recognize that great developers come from many different paths. If you're confident you have the skills for this role, we encourage you to apply even if your experience doesn't check every box.

Pulled from the full job description

• Paid time off

From apartments in New York to hospitals and stadiums in Dallas, libraries at prestigious universities to creating modern retail experiences, our teams contribute architectural glass and building products to projects that shape the way people live, work, heal, learn, and play. At OBE, the work of our employees truly matters. With over 6,500 employees, we operate more than 80 manufacturing and distribution facilities in five countries. You can see some of our favorite projects here. Start your journey with OBE and help us build the future.