Senior AS400 Developer — APAC Banking Systems Lead

TEAMLEASE DIGITAL SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Enterprise banking exposure

End-to-end delivery experience

Technical leadership opportunity

Job summary

TEAMLEASE DIGITAL SOLUTIONS PTE. LTD. is seeking a Senior AS400 Developer to design, enhance, and support critical banking applications across core banking, trade finance, credit cards, and loans.

You will own the full SDLC and lead a small team, managing stakeholders in a regulated banking environment. You will work with AS/400 technologies and modern tooling to deliver reliable changes, mentor engineers, and ensure timely production support and deployments.

Qualifications

• Bachelor’s degree in Engineering (Electronics, CS or equivalent)
• At least 12 years hands-on AS400/IBM i experience (RPGLE, CLLE, DB2, SQL, COBOL, Query400)
• Strong exposure to banking systems (core banking, trade finance, credit cards, loans)
• SDLC lifecycle experience from requirements to production support
• Familiar with file transfer and job scheduling tools (Connect:Direct, sFTP, Control-M, GoAnywhere)
• Experience with change management tools (MKS, Aldon, ARCAD)
• Prior APAC/Singapore banking experience is a plus
• Proactive team player with strong communication and stakeholder management

Responsibilities

• Develop and enhance AS400 applications in RPGLE, ILE RPG, CLLE, SQL, and Query400
• Analyse change requests, write specs and unit tests
• Support SIT, UAT, and production deployments and post-implementation support
• Manage batch jobs and file transfers using designated tools
• Maintain source code and change control systems
• Collaborate with users and cross-functional teams to clarify requirements
• Lead and mentor junior developers on small projects
• Handle production tickets, root-cause analysis, and delivery in a production-support model

Skills

Leadership

Stakeholder management

Mentorship

Communication

AS/400 domain knowledge

Education

Bachelor's degree in Engineering

Tools

Connect:Direct

sFTP

Control-M

GoAnywhere

MKS

Aldon

ARCAD

Job description

TEAMLEASE DIGITAL SOLUTIONS PTE. LTD. is seeking a Senior AS400 Developer to design, enhance, and support critical banking applications across core banking, trade finance, credit cards, and loans.

You will own the full SDLC and lead a small team, managing stakeholders in a regulated banking environment. You will work with AS/400 technologies and modern tooling to deliver reliable changes, mentor engineers, and ensure timely production support and deployments.