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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** ACI Worldwide, Inc. - **Location:** Norcross, GA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Software Quality, Databases, Cursor (Graphical User Interface Elements), Software Debugging, Payment Systems, Software Architecture, Software Tools, Software Engineering, Transaction Processing (Computing), Enterprise Software Applications, ISO 20022 Standard - **Published:** July 25, 2026 - **Apply:** https://www.disabledperson.com/jobs/73845916-software-engineer ## About the Role * 5+ 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. Applicants must be currently authorized to work in the United States on a full-time basis. This position does not offer sponsorship for employment visa status or work permit now or in the future. ## Description We are seeking an experienced Senior 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., * 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. ## Related Videos - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [ Secure Code Superstars: Empowering Developers and Surpassing Security Challenges Together](https://www.wearedevelopers.com/videos/422-secure-code-superstars-empowering-developers-and-surpassing-security-challenges-together) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)