Job Description




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.