AS/400 Applications Lead — RPGLE & UAT

SCIENTE INTERNATIONAL PTE. LTD.; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

SCIENTE INTERNATIONAL PTE. LTD. is seeking an experienced AS400 Developer in Singapore to lead end-to-end AS400 project delivery. You will develop using RPGLE/SQLRPGLE and maintain DB2/400, participate in SIT/UAT, and provide production support.

The role requires 3–5 years hands-on AS400 experience, strong knowledge of development cycles, and collaboration with cross-functional teams to implement robust solutions.

Qualifications

• 3-5 years hands-on IBM AS400/iSeries development and support
• Strong expertise in RPGLE, SQLRPGLE, CLLE, DB2/400, Query/400, DDS, Subfiles, Embedded SQL
• Experience in technical analysis, impact assessment, solution design, development, and enhancements
• Experience supporting SIT, UAT, regression testing, production implementation, and defect resolution
• Knowledge of SDLC, batch processing, job scheduling, system integrations, release management, and production troubleshooting
• Experience with code reviews, documentation, deployment planning, and change control

Responsibilities

• Lead end-to-end technical delivery of AS400 enhancements and projects, including impact analysis, estimation, design, development, and implementation
• Develop, enhance, troubleshoot, and maintain AS400 applications using RPGLE, SQLRPGLE, CLLE, and DB2/400
• Coordinate SIT, UAT, regression testing, defect resolution, deployment, and post-production verification
• Collaborate with business users, PMs, BAs, infrastructure teams, and vendors to translate requirements into technical solutions
• Provide technical guidance, conduct code reviews, ensure development quality, and manage risks and dependencies
• Investigate production incidents, perform root cause analysis, implement fixes, and support releases
• Prepare deployment plans, test support materials, and production handover documents

Skills

AS400/iSeries

RPGLE

SQLRPGLE

CLLE

DB2/400

Query/400

DDS

Subfiles

Embedded SQL

SIT/UAT

Production support

SDLC

Batch processing

Job scheduling

System integrations

Release management

Version control

Code reviews

Technical documentation

Deployment planning

Change management

Job description

SCIENTE INTERNATIONAL PTE. LTD. is seeking an experienced AS400 Developer in Singapore to lead end-to-end AS400 project delivery. You will develop using RPGLE/SQLRPGLE and maintain DB2/400, participate in SIT/UAT, and provide production support.

The role requires 3–5 years hands-on AS400 experience, strong knowledge of development cycles, and collaboration with cross-functional teams to implement robust solutions.