Enhanced system performance through the implementation of advanced technologies, including Aspect-Oriented Programming, distributed systems, and batch processing techniquesEnhanced Billing and Payments functionalities by transitioning from a monolithic architecture to an event-driven architectureImproved review process and integrated fraud detection in payment gateways, resulting in a monthly savings of $400,000Decoupled pdf generation system and improved its capability with features such as document and URL expiration, thyme-leaf support improving the performance by 20%Swiftly troubleshooting and resolving production bugs tied to payment and delivery issues, while effectively liaising with delivery partners and vendors for seamless communication and quick resolutions