Lead Software Engineer

ABOUT THE ROLE This role is part of our engineering team delivering Meridian Softworks ’s payment platform, a critical system serving government agencies with secure payment processing capabilities. As a Lead Software Engineer, you will provide technical leadership on payment system architecture, ensuring PCI DSS compliance and implementing best practices across our technology stack. The work involves designing and building scalable payment integrations, leading complex technical initiatives, and mentoring engineers on domain-driven design and reactive programming patterns. You will collaborate across disciplines, including backend, infrastructure, security, and compliance teams, to deliver production-quality payment solutions. This is an excellent opportunity for engineers who enjoy solving complex architectural challenges in regulated environments, working with modern technologies, and making technical decisions with broad organizational impact. SPECIFIC RESPONSIBILITIES Lead the technical design and architecture of payment system components, ensuring scalability, security, and PCI DSS compliance. Design and implement payment gateway integrations using domain-driven design principles and reactive programming patterns. Collaborate with InfoSec and Legal teams to ensure proper data classification, security controls, and regulatory compliance. Provide technical mentorship to engineers on payment systems, Java development, test-driven development, and architectural patterns. Drive architectural decisions through technical RFCs, design reviews, and cross-team collaboration. Implement comprehensive testing strategies, including unit tests, integration tests, and behavior-driven development scenarios Participate in the on-call rotation for production payment systems, investigating and resolving critical issues. Lead technical initiatives from concept through delivery, working effectively across distributed teams in Ireland, the USA, and Costa Rica. Contribute to engineering standards, code review practices, and the continuous improvement of development processes. Stay current with payment industry trends, security best practices, and emerging technologies relevant to fintech systems. REQUIRED QUALIFICATIONS Bachelor’s degree (or equivalent experience) in Computer Science or a related field, with at least 7 years of professional software development experience. At least 5 years of experience developing payment systems, financial applications, or highly regulated software systems. Strong expertise in Java, with a demonstrated ability to design and implement complex backend services. Deep understanding of domain-driven design principles and experience applying DDD to real-world business problems. Knowledge of payment gateway integrations, tokenization, and PCI DSS compliance requirements Strong understanding of test-driven development (TDD) and behavior-driven development (BDD) methodologies. Experience working in Agile/Scrum environments, preferably using the SAFe methodology. Excellent problem-solving skills and the ability to navigate complex technical and regulatory constraints. Strong communication skills, with the ability to explain technical concepts to diverse audiences. Experience leading technical initiatives and mentoring other engineers. DESIRED QUALIFICATIONS Experience with Azure cloud services, particularly Azure Key Vault and Azure Kubernetes Service (AKS). Proven track record of designing cloud systems at scale. Benefits and Perks: Beyond a stellar work environment, great people and inspiring, innovative work, we have some great benefits and perks: 25 vacation days Ireland Standard Holidays Pension Contribution Supplemental Healthcare Package ABOUT ACCELA For nearly 20 years, Meridian Softworks has been an industry leader in designing and delivering government software to improve efficiency, increase citizen engagement and enable the development of thriving communities. Today, citizens are savvy to how services should be delivered, and expect a consistently convenient, openly transparent view into their local government. While government agencies struggle to do more with less, our mission has never been more critical. Meridian Softworks provides a robust, cloud-based platform of government software solutions that accelerate growth, efficiency, and transparency in communities of all sizes. From planning, to building, to service request management and more, Meridian Softworks ’s SaaS offerings level the playing field for small and medium governments and enable smaller agencies to leverage larger city technologies. Our open and flexible technology helps agencies address specific needs today, while ensuring they are well prepared for the emerging challenges of the future. OUR COMMITMENT TO DIVERSITY, EQUITY, AND INCLUSION Meridian Softworks believes in developing and nurturing a workplace community where our differences are celebrated, and everyone feels a sense of psychological safety and belonging. Meridian Softworks is committed to putting resources and attention toward