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AS400 Silverlake Developer

Unison Group
Contract
On-site
Remote

Overview

We are seeking a skilled AS400 / Silverlake Developer to join our technology team. The ideal candidate will have strong hands-on experience in AS400 development and a solid understanding of Silverlake banking systems (SIBS / SICS / Payments). You will be responsible for developing, enhancing, and maintaining core banking applications, ensuring high system availability, stability, and performance.

Key Responsibilities

  • Develop, enhance, and maintain applications on the AS400 platform using RPG/RPGLE, CL, SQL, and DB2.
  • Perform AS400 system administration tasks including job monitoring, error handling, performance tuning, and deployment.
  • Work on Silverlake modules such as SIBS, SICS, or Payment Systems (SWIFT, PayNow, GIRO, FAST).
  • Participate in requirement analysis, technical design, coding, testing, and implementation.
  • Troubleshoot production issues and provide timely resolutions to ensure business continuity.
  • Collaborate with Business Analysts, QA, and cross-functional teams to deliver high-quality solutions.
  • Ensure code quality, documentation, and adherence to best practices.
  • Support system upgrades, patching, and ongoing maintenance activities.
  • Contribute to optimization and modernization initiatives for legacy systems.

Technical Skills Required

  • Strong hands-on development experience in:
    • AS400 / IBM iSeries
    • RPG, RPGLE, CL, SQL
    • OS400, DB2

  • Experience with Silverlake Integrated Banking System (SIBS) or Silverlake Integrated Card System (SICS).
  • Familiarity with banking payment systems such as:
  • SWIFT, PayNow, FAST, GIRO, or other transaction modules.
  • Knowledge of end-to-end SDLC, unit testing, and debugging.
  • Experience with system interfaces, APIs, and integration within the core banking ecosystem.