Sr Software Engineer
ACI Worldwide3 months ago
Norcross, GA, USASenior
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.
- Mentor technical staff and support knowledge-transfer initiatives.
- Improve engineering quality through automation, testing, observability, and other quality improvements.
- Use AI-assisted engineering tools to improve productivity and code quality.
Requirements
- 6–8 years of software development experience.
- Strong C++ experience.
- Strong COBOL and enterprise application development experience.
- Experience with large-scale transaction processing platforms and complex production issue debugging.
- Understanding of software architecture, integration patterns, APIs, and database technologies.
- Experience with secure software development practices.
- Strong communication and collaboration skills.
- Preferred qualifications include payments industry experience with Fedwire, CHIPS, SWIFT, or ISO 20022; experience supporting Tier-1 financial institutions; cloud migration and modernization experience; knowledge of high-availability and mission-critical systems; and experience with Copilot, Cursor, Claude, or equivalent AI engineering tools.
Benefits
- Opportunities for growth and career development.
- Competitive compensation and benefits package.
- Hybrid work arrangement in Norcross, Georgia.
- Applicants must be currently authorized to work full-time in the United States; employment visa sponsorship or work permit sponsorship is not offered now or in the future.
About ACI Worldwide
ACI Worldwide builds payment processing and fraud prevention software for banks, merchants, and billers, delivered as on-premise and cloud services. Its portfolio spans real-time payments, card and merchant acquiring, bill payment, and risk management. Founded in 1975 and publicly traded on NASDAQ (ACIW), the company is headquartered in Elkhorn, Nebraska and serves financial institutions and retailers globally.