AS/400 DEVELOPER (IBM) | COLUMBUS, OH (ONSITE)

JOB TITLE: AS/400 DEVELOPER (IBM)
JOB DURATION: 8+ MONTHS
JOB LOCATION: COLUMBUS, OH (ONSITE)
EXPERIENCE: 6-10+ YEARS
EMPLOYMENT TYPE: UCS/EAD

Job Summary

We are looking for an experienced AS/400 Developer with strong hands-on expertise in IBM i (AS/400) application development, maintenance, and support. The ideal candidate should have experience in RPG/RPGLE programming, CL/CLLE, DB2/400, and SQL, along with a solid understanding of business applications, system integrations, and production support.

Key Responsibilities

• Design, develop, enhance, and maintain business applications on the IBM i (AS/400) platform.
• Develop and maintain programs using RPG, RPGLE, free-format RPG, CL, and CLLE.
• Write, optimize, and maintain SQL queries and DB2/400 database objects.
• Work with physical files, logical files, display files, printer files, and database tables.
• Analyze business requirements and translate them into technical specifications and application solutions.
• Perform application debugging, root-cause analysis, performance tuning, and defect resolution.
• Develop and maintain batch jobs, job schedules, reports, and data-processing programs.
• Support application integrations, data interfaces, and file transfers between systems.
• Perform unit testing, integration testing, code reviews, and implementation activities.
• Provide production support and resolve application issues within agreed SLAs.
• Collaborate with business analysts, QA teams, application support teams, and other developers.
• Prepare technical documentation and follow established coding standards and change-management procedures.

Required Skills and Qualifications

• 5 10 years of hands-on experience in AS/400 / IBM i development.
• Strong programming experience in RPG, RPGLE, and free-format RPG.
• Experience with CL/CLLE programming and IBM i command-line utilities.
• Strong knowledge of DB2/400, SQL, database design, and query optimization.
• Experience working with physical files, logical files, display files, and printer files.
• Understanding of batch processing, job queues, job scheduling, and system operations.
• Experience with debugging, troubleshooting, application maintenance, and production support.
• Knowledge of software development life cycle (SDLC), testing, and deployment processes.
• Strong analytical, problem-solving, and communication skills.

Preferred Skills

• Experience with embedded SQL in RPG programs.
• Knowledge of APIs, web services, FTP/SFTP, and application integration.
• Exposure to source control, change-management tools, and deployment utilities.
• Experience with modern IBM i development tools such as RDi.
• Familiarity with Agile/Scrum methodologies.
• Experience in banking, insurance, retail, manufacturing, or other enterprise business applications is an advantage.

Education

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience.