- Led development of 5+ enterprise-scale microservices using Java (Spring Boot), JMS, Redis, and Cassandra, powering logistics systems that processed up to 100M+ packages/day. - Architected queue-based messaging flows and caching layers to ensure reliable, scalable service communication across FedEx and USPS integrations. - Directed a team of 10 engineers for 6 months, mentoring junior devs, managing sprint planning, and collaborating with stakeholders to define technical strategy and delivery goals. - Drove CI/CD migration from Jenkins to GitHub Actions, optimizing cloud-based deployment and reducing operational costs. - Delivered integration-tested, production-grade APIs with full documentation, while coordinating with cross-functional teams to ensure end-to-end delivery and data integrity.