AS/400 Developer

Role Summary

A senior-level Lead IBM i (AS400/iSeries) Application Developer is sought to support, develop, and optimize mission-critical enterprise applications on the IBM i platform.

This role involves technical leadership, system design, and hands-on application development within high-volume, regulated environments, including financial services and healthcare sectors.

The position offers an opportunity to lead development initiatives, mentor team members, and collaborate with stakeholders to deliver scalable solutions.

Responsibilities

• Design, develop, and maintain IBM i (AS400/iSeries) applications using RPG IV, RPGLE Free Format, SQLRPGLE, CLLE, COBOL, and DB2 for i.
• Lead full lifecycle software development projects, including requirements analysis, design, coding, testing, deployment, and ongoing support.
• Collaborate with business stakeholders and system analysts to translate requirements into technical solutions.
• Optimize database structures, including physical and logical files, indexes, stored procedures, triggers, and views, to enhance performance and reliability.
• Develop and maintain service programs, modules, binding directories, and ILE applications.
• Troubleshoot production issues, perform root cause analysis, and implement permanent fixes.
• Create technical specifications, test plans, and documentation for deployment and support.
• Drive performance tuning and SQL optimization initiatives to ensure high system efficiency.
• Participate actively in Agile practices such as sprint planning, backlog refinement, and retrospectives.
• Provide technical mentorship to junior developers and ensure adherence to best practices in development and deployment.

Qualifications

• Bachelor’s degree in Engineering, Computer Science, Information Technology, or a related field.
• 10+ years of hands-on experience with IBM i / AS400 application development.
• Proficiency in RPG III / RPG IV, RPGLE Free Format, SQLRPGLE, CLP / CLLE, COBOL, and ILE architecture.
• Strong understanding of DB2 for i, including query optimization, stored procedures, triggers, views, and data modeling.
• Experience with IBM i tools such as RDi, SDA, DFU, WebSphere MQ Series, and change management systems like Aldon or TurnOver.
• Familiarity with Agile methodologies and collaboration tools including JIRA and Confluence.
• Excellent troubleshooting, analytical, and problem-solving skills.
• Effective verbal and written communication skills.
• Experience working in regulated, high-availability enterprise environments such as banking, healthcare, or large transaction systems.
• Ability to work remotely and independently manage project deliverables.

Publishing Pay Range: $100.00 - $115.00 hourly

This is a fully remote role and can be performed from an approved location.