Lead Software Engineer

This role is part of our engineering team delivering Accela’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.

• →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.

• 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.

• Experience with Azure cloud services, particularly Azure Key Vault and Azure Kubernetes Service (AKS).
• Proven track record of designing cloud systems at scale.

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