AS400 Developer

SCIENTE INTERNATIONAL PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

SCIENTE INTERNATIONAL PTE. LTD. is seeking an experienced AS400 Technical Lead with hands-on IBM AS400/iSeries development, application delivery, UAT, and production support expertise.

You will lead end-to-end technical delivery, coordinate SIT/UAT, and work with business users and infrastructure teams to translate requirements into robust solutions.

Qualifications

• 3–5 years of hands‑on experience in IBM AS400/iSeries development and support.

Responsibilities

• Lead end‑to‑end technical delivery of AS400 application enhancements and projects, including impact analysis, estimation, solution design, development, and implementation.

Skills

AS400/iSeries development

RPGLE

SQLRPGLE

CLLE

DB2/400

DDS

Subfiles

Embedded SQL

Tools

Control‑M

CI/CD

Job description

Job Summary

We are seeking an experienced AS400 Technical Lead with strong hands‑on expertise in IBM AS400/iSeries development, application delivery, UAT, and production support.

Mandatory Skill-set

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

Desired Skill-set

• Banking, financial services, retail, payments, cards, loans, deposits, or core banking application experience;
• Exposure to Control‑M/workload automation, DevOps/CI-CD, and modern integration technologies;
• Experience working in Agile or hybrid project environments.

Responsibilities

• Lead end‑to‑end technical delivery of AS400 application enhancements and projects, including impact analysis, estimation, solution 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, migration, and post‑production verification;
• Work closely 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 technical risks and dependencies;
• Investigate production incidents, perform root cause analysis, implement permanent fixes, and support scheduled or emergency releases;
• Prepare technical documentation, deployment plans, test support materials, and production handover documentation.

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.

EA Licence No. 07C5639