ACBS SME – Core Banking Transformation

Optimum SolutionsSingaporemycareersfuturepublished 09/25/2026
Must-have:FinTechLead

Job Summary

We are looking for an experienced ACBS (Advanced Commercial Banking System) SME to support a core banking transformation program in Singapore. The role requires hands-on expertise in commercial lending, solution design, integration, testing, migration, and cutover. The candidate will work closely with business stakeholders, technology teams, solution architects, and product vendors.

Key Responsibilities

  • Drive ACBS requirement analysis and To-Be solution design across loan origination, servicing, disbursement, and repayment.
  • Design and support integrations between ACBS, GL/accounting, payment systems, and upstream/downstream applications.
  • Lead workshops and collaborate with business, architecture, technology, and vendor teams to finalize solutions.
  • Prepare and manage Interface Specification Documents (ISDs) and functional/technical design documentation.
  • Support SIT/UAT, integration testing, defect triage, data mapping, migration validation, and reconciliation.
  • Engage with product vendors to validate capabilities, configurations, gaps, and integration requirements.
  • Support cutover, go-live, hyper care, and proactive risk/issue management.

Requirements

  • 10+ years of overall IT experience with substantial hands-on experience in core banking transformation/implementation.
  • Proven hands-on ACBS implementation experience in a commercial lending/core banking environment.
  • Strong functional knowledge of the commercial lending lifecycle including origination, servicing, disbursement, and repayment.
  • Experience integrating lending platforms with GL, accounting, reconciliation, payment, and downstream systems.
  • Strong experience with MQ, REST/SOAP APIs, file-based interfaces, data mapping, and integration design.
  • Proven ability to independently drive solution design, ISDs, documentation, testing, and stakeholder sign-off.