IBM i, System/36 Developer

Fresche Solutions

. Analyze existing System/36 applications, job streams, menus, and screen flows .

Posted 10/6/2026full-timeRemote • CanadaSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in IBM System/36 environments, focusing on the conversion and modernization of legacy applications, particularly in OCL and RPG languages. Strong analytical and problem-solving skills are essential for optimizing performance and ensuring application integrity.

Highest-signal resume keywords

IBM System/36 EnvironmentsOCL Conversion to CLRPG II to RPG IV / ILE RPG ConversionApplication Modernization InitiativesTechnical Documentation

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

OCLCLRPG IIRPG IVILE RPGBatch ProcessingJob Queue ManagementCode RemediationUnit TestingIntegration Testing

Soft Skills

Analytical SkillsProblem-Solving SkillsWritten CommunicationVerbal CommunicationOrganizational Skills

Industry Keywords

Legacy Application ArchitecturesApplication ConversionModernization ProgramUser Acceptance TestingTechnical Best Practices

About the role

Key responsibilities & impact

Analyze existing System/36 applications, job streams, menus, and screen flows
Convert OCL programs and processes to CL
Convert RPG II programs to RPG IV / ILE RPG while preserving business logic and application integrity
Review and remediate converted code to improve maintainability, performance, and compliance
Perform unit and integration testing and support user acceptance testing (UAT) activities
Investigate, diagnose, and resolve defects
Modernize System/36 screens and menu architecture
Document application behavior, conversion strategies, fixes, and test results
Collaborate with technical teams, business stakeholders, and quality assurance specialists
Participate in code reviews and contribute to technical best practices and knowledge transfer
Complete conversions, remediate, optimize, and validate converted applications
Execute and document test campaigns
Prepare technical documentation and develop knowledge transfer materials
Ensure the modernization program's delivery objectives are met

Requirements

What you’ll need

Strong hands-on experience with IBM System/36 environments
Extensive experience with OCL (Operational Control Language)
Strong experience developing and maintaining RPG II applications
Hands-on experience converting OCL to CL
Hands-on experience converting RPG II applications to RPG IV / ILE RPG
Experience participating in IBM i application modernization initiatives
In-depth knowledge of batch processing, job queue management, and legacy application architectures
Experience remediating code after conversion and optimizing performance
Experience planning and executing conversion-related test protocols
Experience converting and modernizing screens and menus
Strong analytical and problem-solving skills
Ability to understand complex legacy business logic and translate it into modern IBM i solutions
Excellent written and verbal communication skills
Strong technical documentation and organizational skills
Ability to work independently while integrating effectively into a project team
7+ years of IBM midrange systems development experience
5+ years of System/36 development and support experience
Demonstrated experience with application conversion and modernization projects
Proven track record of delivering RPG and OCL conversion projects in IBM i environments

Benefits

Comp & perks

Flexible work model ("work from anywhere" in North America)
Work-life balance
Values-driven corporate culture
Remote work
Collaboration with technical teams, business stakeholders, and quality assurance specialists
Knowledge transfer and contribution to technical best practices