Sr 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 64-bit migration, ISO 20022, structured address, security, and other platform modernization initiatives.
- Collaborate with Product Management, Professional Services, Quality Engineering, and Customer Support teams.
- Provide technical mentoring and support knowledge transfer initiatives.
- Improve engineering excellence through automation, testing, observability, and quality improvements.
- Use AI-assisted engineering tools to improve productivity and code quality.
Requirements
- 8+ 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.
- Payments industry experience with Fedwire, CHIPS, SWIFT, or ISO 20022 is preferred.
- Experience supporting Tier-1 financial institutions is preferred.
- Experience with cloud migration and modernization initiatives is preferred.
- Knowledge of high-availability and mission-critical systems is preferred.
- Experience using AI engineering tools such as Copilot, Cursor, Claude, or equivalent is preferred.