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Sr. Developer - AS400

Logisoft Technologies IncKing of Prussia, PA🇺🇸United StatesPosted 12 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Role Summary 
We are looking for an experienced Sr. Developer - AS400 to join our technology team. The ideal candidate will have strong hands-on experience in IBM i / AS400 application development, support, and maintenance, along with solid expertise in RPG, RPGLE, CL, DB2/400, and SQL/400. The role involves working on critical business applications, analyzing requirements, developing solutions, and supporting production environments.  
 
Key Responsibilities 
  • Design, develop, test, and maintain AS400 applications. 
  • Analyze business requirements and convert them into technical specifications. 
  • Develop and support programs using RPG, RPGLE, CL, CLLE, SQLRPGLE, and DB2/400. 
  • Troubleshoot production issues and provide timely resolution. 
  • Perform code reviews, unit testing, and defect fixes. 
  • Work on enhancements, maintenance, and modernization initiatives. 
  • Support batch jobs, job scheduling, and system monitoring. 
  • Collaborate with business users, analysts, QA, and infrastructure teams. 
  • Ensure adherence to coding standards, release processes, and best practices. 
  • Prepare technical documentation and support knowledge transfer. 
 
Required Skills 
  • 8+ years of experience in IBM AS400 / iSeries development and maintenance. 
  • Strong hands-on experience in RPG, RPGLE, CL, CLLE, ILE, and Free Format RPG. 
  • Good knowledge of DB2/400, SQL/400, DDS, physical/logical files, and stored procedures. 
  • Experience in incident management, problem management, and production support. 
  • Familiarity with job scheduling, batch processing, and AS400 utilities. 
  • Strong analytical, debugging, and problem-solving skills. 
  • Ability to work independently and handle multiple priorities. 
 
Preferred Skills 
  • Experience in code migration or modernization from fixed format to free format RPG. 
  • Exposure to tools such as IBM Job Scheduler, ROBOT, and change management tools. 
  • Knowledge of MQ, Connect Direct, SFTP, or interface integrations. 
  • Experience in Agile/Scrum delivery environments. 
  • Good communication and stakeholder management skills. 
 
Qualifications 
  • Bachelor''''s degree in computer science, Information Technology, or related field. 
  • Minimum 8 years of relevant experience in AS400 development.

Skills

SQL
Scrum
Agile
Stakeholder Management

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