Senior Architect – Payments Platform & Modernization

ACI Worldwide; Norcross (GA); On-site; USD 150,000 - 190,000; Full time

Job summary

ACI Worldwide invites an experienced Architect to join the MTS Development team in Norcross, GA, responsible for a high-value payments platform. The role focuses on maintaining, enhancing, and modernizing core payment processing capabilities while ensuring regulatory and customer commitments, platform resiliency, and long-term sustainability.

The ideal candidate has extensive software engineering background across complex enterprise applications and payment systems, with experience in production

Qualifications

• 14+ years of software development experience.
• Strong Java and enterprise application development experience.
• Experience working with large-scale transaction processing platforms.
• Experience debugging complex production issues.
• Strong understanding of software architecture, integration patterns, APIs, and database technologies.
• Experience with secure software development practices.

Responsibilities

• Design, develop, and maintain core MTS platform capabilities.
• Deliver customer and regulatory commitments including payment network mandates.
• Participate in production issue resolution and root cause analysis.
• Support modernization initiatives including 64-bit migration, ISO 20022, structured address, security, and platform enhancement programs.
• Collaborate with Product Management, Professional Services, Quality Engineering, and Customer Support teams.
• Act as a technical mentor and support knowledge transfer initiatives.
• Drive engineering excellence through automation, testing, observability, and quality improvements.
• Leverage AI-assisted engineering tools to improve productivity and code quality.

Skills

Java

Enterprise apps

Production debugging

API design

Security best practices

Communication

AI engineering tools

Tools

Copilot

Job description

ACI Worldwide invites an experienced Architect to join the MTS Development team in Norcross, GA, responsible for a high-value payments platform. The role focuses on maintaining, enhancing, and modernizing core payment processing capabilities while ensuring regulatory and customer commitments, platform resiliency, and long-term sustainability.

The ideal candidate has extensive software engineering background across complex enterprise applications and payment systems, with experience in production