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Software Engineer – ACI ; Classic

Job in Atlanta, Fulton County, Georgia, 30383, USA
Listing for: Omega Hires
Full Time position
Listed on 2025-12-01
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below
Position: Software Engineer – ACI Base24 (Classic)

Software Engineer – ACI Base
24 (Classic) Atlanta, GA (Onsite/Hybrid)

Seeking an experienced Software Engineer with strong hands‑on expertise in ACI Base
24 Classic for ATM/POS payment processing. This role includes configuring Base
24 components, supporting daily operations, enhancing interfaces, and ensuring stable transaction processing for high‑volume financial environments.

Key Responsibilities
  • Configure, customize, and maintain ACI Base
    24 Classic components for ATM/POS transaction processing.
  • Work with Base
    24 interfaces including payments switches, host systems, and card networks.
  • Troubleshoot production issues related to transaction routing, authorization, BIN routing, and terminal management.
  • Monitor system performance and support 24x7 operational environments.
  • Develop enhancements and scripting modifications where required for Base
    24 applications.
  • Collaborate with network, payment operations, and infrastructure teams to support stable transaction flow.
Required Skills
  • 5–10+ years of experience working with ACI Base
    24 Classic in a banking or payments environment.
  • Strong knowledge of card authorization, terminal management, PIN translation, and payment switching.
  • Hands‑on experience with Base
    24 configuration, parameter updates, and deployment.
  • Strong debugging and problem‑solving capability for live transaction issues.
  • Experience with Tandem/HP Non Stop, TAL/TACL, COBOL, C, or similar environments.
Preferred
  • Experience integrating Base
    24 with networks such as VISA, Mastercard, STAR, NYCE, Interlink, etc.
  • Knowledge of ISO 8583 message specifications.
  • Familiarity with ATM/POS compliance standards and transaction security.
  • Strong communication and documentation skills.
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