Shamrock Trading Corporation is looking for a Principal Software Engineer to join our Payment Solutions Engineering team. This role is responsible for designing, developing, and implementing scalable, efficient, and maintainable Fintech and payment software systems that meet the business needs of the organization. As a key technical leader, the Principal Software Engineer will mentor engineers and provide guidance on application architecture, interface with enterprise architecture, design, and best practices across multiple software projects and teams. The ideal candidate will have expertise in multiple programming languages and technologies, with a strong understanding of software engineering principles, cloud computing, containerization, and Agile practices. This role is crucial for driving innovation, improving technical processes, and delivering high-quality software products to customers.