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Senior AS400 Developer

Location: Remote
Compensation: Piece Work
Reviewed: Sat, Aug 22, 2026
This job expires in: 24 days

Job Summary

Designing, developing, and supporting business-critical applications in an AS400 environment, the full-time Senior SYNON/AS400 Developer will collaborate with business analysts and technical leads to deliver high-quality solutions while working remotely from Richardson, TX.

Key responsibilities
  • Partner with business analysts and technical leads to clarify requirements and define technical solutions
  • Develop, review, and enhance applications using AS400 technologies including RPGLE, RPGILE, CLLE, and SYNON
  • Create and execute unit test plans, resolve defects, and support quality assurance and regression testing activities
Required qualifications
  • Strong experience working in AS400/IBM i development environments
  • Hands-on expertise with RPGLE and RPGILE programming
  • Proficiency in CLLE development and system-level programming
  • Experience developing and maintaining applications using SYNON
  • Ability to participate in the full software development lifecycle, including analysis, design, coding, testing, deployment, and production support

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