Delivered one of Mastercard’s first gRPC applications to production, serving high-volume, real-time transactions. Led demos for department, company steer co, and directly to CTOServed as in-house subject matter expert on all things gRPC, advocating for internal & external adoption

Piloted the customer journey for gRPC connectivity into Mastercard’s next-generation network capabilitiesBuilt TCP to gRPC protocol mediation layer, allowing customers to take advantage of Mastercard’s new network capabilities without forcing them to switch to gRPC immediatelyAssisted with company-wide accelerated hiring effort, conducting technical interviews and coding challenges

Developed automated certificate renewal & delivery application, responsible for maintaining certificates for Mastercard’s global network of edge serversDesigned and developed TCP socket management & load balancing application leveraging Spring Integration. Maintained persistent incoming connections and mapped them to dynamically created outgoing connections to downstream serversPiloted internal messaging frameworkTested customer network connectivity with client and server services for TCP, HTTP, SOAP

Developed custom NGINX / Kong API Gateway plugin using Lua scripting language to enforce OAuth 1.0aConfigured distributed NoSQL Cassandra database with real-time, topology-aware data replication

Developed test suites for Mastercard's dual message acquiring system using JBehave, a Behavior-Driven Development testing frameworkAnalyzed historical SLA performance to contribute to a Customer Renewal project for account managers and executive managementLed a team of interns in a supply drive, service day and hackathon

Designed, developed, and implemented various operational dashboards (real-time and trending) using Splunk's inline search and scripting tool setScraped log data to find patterns and trends in performanceDeveloped customized SQL queries to research transactional data issues in Mastercard's Oracle Data Warehouse