Paypal Payment Integration: Developed core integration of Paypal PSP for our e-commerce client. Did Rest API integration with Paypal utilizing Spring Boot for rapid development, with microservices architecture, and hosted on AWS. Worked in Agile team to effectively contribute to end-to-end integration like exploring & finalizing Paypal Standard Checkout, integrating Paypal Rest APIs, building end-to-end error handling system, securing the application using OAuth2.0, HmacSha256 & using spring… Show more Paypal Payment Integration: Developed core integration of Paypal PSP for our e-commerce client. Did Rest API integration with Paypal utilizing Spring Boot for rapid development, with microservices architecture, and hosted on AWS. Worked in Agile team to effectively contribute to end-to-end integration like exploring & finalizing Paypal Standard Checkout, integrating Paypal Rest APIs, building end-to-end error handling system, securing the application using OAuth2.0, HmacSha256 & using spring boot security, built entire Payment Reconciliation System, applied Spring Boot JDBC with MySQL. Strong debugging & problem-solving skills. Got an opportunity to explore and implement open source like Redis Cache & ActiveMQ for async integration. Show less