Software Engineer
ACI Worldwide1 month ago
Limerick, IrelandSenior
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.
- Improve engineering quality through automation, testing, observability, and quality improvements.
- Use AI-assisted engineering tools to improve productivity and code quality.
Requirements
- 6+ years of software development experience.
- Strong Java and enterprise application development experience.
- Experience 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.
- Excellent communication and collaboration skills.
- Preferred: payments-industry experience with Fedwire, CHIPS, SWIFT, or ISO 20022.
- Preferred: experience supporting Tier-1 financial institutions and cloud migration or modernization initiatives.
- Preferred: knowledge of high-availability and mission-critical systems.
- Preferred: experience using AI engineering tools such as Copilot, Cursor, Claude, or equivalent.