About this role
Job Title: Software Engineer – MTS Development Location: Norcross, GA / Limerick, Ireland (Preferred) Organization: A2A High Value Payments (MTS) Position Summary We are seeking an experienced Software Engineer to join the MTS Development team responsible for one of the industry's most critical high-value payments platforms. This role will focus on maintaining, enhancing, and modernizing core payment processing capabilities while supporting regulatory mandates, customer commitments, platform resiliency, and long-term product sustainability. The ideal candidate will be a strong software engineer with experience in complex enterprise applications, payment systems, mission-critical production support, and large-scale modernization initiatives. Key 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. Required Qualifications
• 6+ 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. • Excellent communication and collaboration skills. Preferred Qualifications
• Payments industry experience (Fedwire, CHIPS, SWIFT, ISO 20022). • Experience supporting Tier-1 financial institutions. • Experience with cloud migration and modernization initiatives. • Knowledge of high-availability and mission-critical systems. • Experience using AI engineering tools such as Copilot, Cursor, Claude, or equivalent. Success Measures
• Successful delivery of roadmap and mandate commitments. • Reduction in production incidents and resolution time. • Increased automated test coverage. • Effective knowledge transfer and documentation. • Contribution to long-term platform sustainability.